./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_productSimulator.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_spec27_productSimulator.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 fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:54:49,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:54:49,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:54:49,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:54:49,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:54:49,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:54:49,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:54:49,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:54:49,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:54:49,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:54:49,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:54:49,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:54:49,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:54:49,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:54:49,793 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:54:49,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:54:49,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:54:49,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:54:49,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:54:49,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:54:49,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:54:49,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:54:49,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:54:49,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:54:49,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:54:49,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:54:49,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:54:49,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:54:49,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:54:49,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:54:49,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:54:49,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:54:49,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:54:49,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:54:49,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:54:49,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:54:49,798 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:54:49,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:54:49,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:54:49,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:54:49,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:54:49,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:54:49,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 [2024-11-22 01:54:50,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:54:50,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:54:50,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:54:50,123 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:54:50,124 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:54:50,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2024-11-22 01:54:51,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:54:51,841 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:54:51,843 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2024-11-22 01:54:51,869 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd6d02cf/0eb8866ae74f480f8ca11c7b6bbec2d4/FLAGcfa375adf [2024-11-22 01:54:51,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd6d02cf/0eb8866ae74f480f8ca11c7b6bbec2d4 [2024-11-22 01:54:51,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:54:51,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:54:51,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:54:51,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:54:51,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:54:51,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:54:51" (1/1) ... [2024-11-22 01:54:51,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214fa024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:51, skipping insertion in model container [2024-11-22 01:54:51,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:54:51" (1/1) ... [2024-11-22 01:54:52,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:54:52,318 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_spec27_productSimulator.cil.c[11237,11250] [2024-11-22 01:54:52,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:54:52,631 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:54:52,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-22 01:54:52,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [414] [2024-11-22 01:54:52,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [423] [2024-11-22 01:54:52,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [441] [2024-11-22 01:54:52,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [561] [2024-11-22 01:54:52,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1641] [2024-11-22 01:54:52,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [1918] [2024-11-22 01:54:52,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1952] [2024-11-22 01:54:52,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2362] [2024-11-22 01:54:52,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2922] [2024-11-22 01:54:52,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [3271] [2024-11-22 01:54:52,675 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_spec27_productSimulator.cil.c[11237,11250] [2024-11-22 01:54:52,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:54:52,835 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:54:52,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52 WrapperNode [2024-11-22 01:54:52,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:54:52,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:54:52,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:54:52,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:54:52,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:52,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:52,948 INFO L138 Inliner]: procedures = 151, calls = 264, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1309 [2024-11-22 01:54:52,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:54:52,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:54:52,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:54:52,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:54:52,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:52,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:52,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:53,017 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 01:54:53,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:53,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:53,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:53,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:53,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:53,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:53,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:54:53,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:54:53,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:54:53,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:54:53,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (1/1) ... [2024-11-22 01:54:53,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:54:53,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:53,147 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 01:54:53,151 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 01:54:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-22 01:54:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-22 01:54:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2024-11-22 01:54:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2024-11-22 01:54:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2024-11-22 01:54:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2024-11-22 01:54:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 01:54:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 01:54:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-22 01:54:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-22 01:54:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 01:54:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 01:54:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-22 01:54:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-22 01:54:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2024-11-22 01:54:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2024-11-22 01:54:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:54:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:54:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2024-11-22 01:54:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2024-11-22 01:54:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:54:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:54:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:54:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:54:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 01:54:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 01:54:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2024-11-22 01:54:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2024-11-22 01:54:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2024-11-22 01:54:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2024-11-22 01:54:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-22 01:54:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-22 01:54:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-22 01:54:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-22 01:54:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 01:54:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 01:54:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2024-11-22 01:54:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2024-11-22 01:54:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:54:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:54:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-22 01:54:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-22 01:54:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:54:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:54:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2024-11-22 01:54:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2024-11-22 01:54:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:54:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-22 01:54:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-22 01:54:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-22 01:54:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-22 01:54:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2024-11-22 01:54:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2024-11-22 01:54:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2024-11-22 01:54:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2024-11-22 01:54:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2024-11-22 01:54:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2024-11-22 01:54:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 01:54:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 01:54:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 01:54:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 01:54:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 01:54:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 01:54:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:54:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:54:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-22 01:54:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-22 01:54:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-22 01:54:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-22 01:54:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:54:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:54:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-22 01:54:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-22 01:54:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2024-11-22 01:54:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2024-11-22 01:54:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2024-11-22 01:54:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2024-11-22 01:54:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 01:54:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 01:54:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:54:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:54:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:54:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:54:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 01:54:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 01:54:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 01:54:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 01:54:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2024-11-22 01:54:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2024-11-22 01:54:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2024-11-22 01:54:53,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2024-11-22 01:54:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 01:54:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 01:54:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:54:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:54:53,440 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:54:53,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:54:54,655 INFO L? ?]: Removed 625 outVars from TransFormulas that were not future-live. [2024-11-22 01:54:54,656 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:54:54,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:54:54,686 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:54:54,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:54:54 BoogieIcfgContainer [2024-11-22 01:54:54,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:54:54,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:54:54,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:54:54,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:54:54,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:54:51" (1/3) ... [2024-11-22 01:54:54,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713cfb21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:54:54, skipping insertion in model container [2024-11-22 01:54:54,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:54:52" (2/3) ... [2024-11-22 01:54:54,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713cfb21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:54:54, skipping insertion in model container [2024-11-22 01:54:54,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:54:54" (3/3) ... [2024-11-22 01:54:54,700 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2024-11-22 01:54:54,717 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:54:54,717 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:54:54,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:54:54,827 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;@33b1d91c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:54:54,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:54:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 608 states, 450 states have (on average 1.5133333333333334) internal successors, (681), 470 states have internal predecessors, (681), 112 states have call successors, (112), 44 states have call predecessors, (112), 44 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-22 01:54:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 01:54:54,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:54,866 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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 01:54:54,866 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:54,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -112937625, now seen corresponding path program 1 times [2024-11-22 01:54:54,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:54,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718112470] [2024-11-22 01:54:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:54,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 01:54:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718112470] [2024-11-22 01:54:55,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718112470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:55,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:55,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 01:54:55,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542669726] [2024-11-22 01:54:55,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:55,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:54:55,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:55,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:54:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 01:54:55,404 INFO L87 Difference]: Start difference. First operand has 608 states, 450 states have (on average 1.5133333333333334) internal successors, (681), 470 states have internal predecessors, (681), 112 states have call successors, (112), 44 states have call predecessors, (112), 44 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) Second operand has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:54:55,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:55,503 INFO L93 Difference]: Finished difference Result 947 states and 1397 transitions. [2024-11-22 01:54:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:54:55,509 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 158 [2024-11-22 01:54:55,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:55,539 INFO L225 Difference]: With dead ends: 947 [2024-11-22 01:54:55,539 INFO L226 Difference]: Without dead ends: 601 [2024-11-22 01:54:55,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 01:54:55,555 INFO L432 NwaCegarLoop]: 901 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, 901 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 01:54:55,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-22 01:54:55,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2024-11-22 01:54:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 444 states have (on average 1.509009009009009) internal successors, (670), 463 states have internal predecessors, (670), 112 states have call successors, (112), 44 states have call predecessors, (112), 44 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-22 01:54:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 893 transitions. [2024-11-22 01:54:55,654 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 893 transitions. Word has length 158 [2024-11-22 01:54:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:55,658 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 893 transitions. [2024-11-22 01:54:55,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:54:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 893 transitions. [2024-11-22 01:54:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-22 01:54:55,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:55,673 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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] [2024-11-22 01:54:55,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 01:54:55,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:55,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:55,674 INFO L85 PathProgramCache]: Analyzing trace with hash -107164856, now seen corresponding path program 1 times [2024-11-22 01:54:55,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:55,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032697986] [2024-11-22 01:54:55,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:55,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 01:54:56,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:56,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032697986] [2024-11-22 01:54:56,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032697986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:56,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:56,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:54:56,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415034816] [2024-11-22 01:54:56,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:56,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:54:56,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:56,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:54:56,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:54:56,161 INFO L87 Difference]: Start difference. First operand 601 states and 893 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:54:56,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:56,284 INFO L93 Difference]: Finished difference Result 1166 states and 1730 transitions. [2024-11-22 01:54:56,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:54:56,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2024-11-22 01:54:56,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:56,297 INFO L225 Difference]: With dead ends: 1166 [2024-11-22 01:54:56,299 INFO L226 Difference]: Without dead ends: 601 [2024-11-22 01:54:56,303 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 01:54:56,304 INFO L432 NwaCegarLoop]: 891 mSDtfsCounter, 0 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:56,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3552 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:56,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-22 01:54:56,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2024-11-22 01:54:56,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 444 states have (on average 1.4932432432432432) internal successors, (663), 463 states have internal predecessors, (663), 112 states have call successors, (112), 44 states have call predecessors, (112), 44 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-22 01:54:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 886 transitions. [2024-11-22 01:54:56,363 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 886 transitions. Word has length 159 [2024-11-22 01:54:56,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:56,365 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 886 transitions. [2024-11-22 01:54:56,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 01:54:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 886 transitions. [2024-11-22 01:54:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 01:54:56,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:56,371 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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 01:54:56,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 01:54:56,372 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:56,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:56,373 INFO L85 PathProgramCache]: Analyzing trace with hash 970893084, now seen corresponding path program 1 times [2024-11-22 01:54:56,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:56,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274536044] [2024-11-22 01:54:56,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:56,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 01:54:56,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:56,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274536044] [2024-11-22 01:54:56,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274536044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:56,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:56,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:56,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135356911] [2024-11-22 01:54:56,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:56,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:56,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:56,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:56,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:56,559 INFO L87 Difference]: Start difference. First operand 601 states and 886 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:54:56,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:56,617 INFO L93 Difference]: Finished difference Result 1170 states and 1738 transitions. [2024-11-22 01:54:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:56,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 164 [2024-11-22 01:54:56,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:56,624 INFO L225 Difference]: With dead ends: 1170 [2024-11-22 01:54:56,625 INFO L226 Difference]: Without dead ends: 602 [2024-11-22 01:54:56,627 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 01:54:56,628 INFO L432 NwaCegarLoop]: 877 mSDtfsCounter, 848 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:56,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 901 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:56,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-22 01:54:56,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2024-11-22 01:54:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 446 states have (on average 1.484304932735426) internal successors, (662), 463 states have internal predecessors, (662), 110 states have call successors, (110), 45 states have call predecessors, (110), 45 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-22 01:54:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 881 transitions. [2024-11-22 01:54:56,670 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 881 transitions. Word has length 164 [2024-11-22 01:54:56,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:56,671 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 881 transitions. [2024-11-22 01:54:56,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 01:54:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 881 transitions. [2024-11-22 01:54:56,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-22 01:54:56,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:56,676 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:56,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 01:54:56,676 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:56,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:56,677 INFO L85 PathProgramCache]: Analyzing trace with hash -942351818, now seen corresponding path program 1 times [2024-11-22 01:54:56,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:56,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621495168] [2024-11-22 01:54:56,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:56,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 01:54:56,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:56,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621495168] [2024-11-22 01:54:56,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621495168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:56,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:56,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:56,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697109221] [2024-11-22 01:54:56,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:56,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:56,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:56,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:56,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:56,805 INFO L87 Difference]: Start difference. First operand 602 states and 881 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-22 01:54:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:56,897 INFO L93 Difference]: Finished difference Result 1718 states and 2550 transitions. [2024-11-22 01:54:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:56,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 185 [2024-11-22 01:54:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:56,908 INFO L225 Difference]: With dead ends: 1718 [2024-11-22 01:54:56,908 INFO L226 Difference]: Without dead ends: 1150 [2024-11-22 01:54:56,913 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 01:54:56,914 INFO L432 NwaCegarLoop]: 898 mSDtfsCounter, 835 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:56,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 1743 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:56,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2024-11-22 01:54:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1148. [2024-11-22 01:54:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 853 states have (on average 1.4912075029308323) internal successors, (1272), 883 states have internal predecessors, (1272), 205 states have call successors, (205), 89 states have call predecessors, (205), 89 states have return successors, (216), 202 states have call predecessors, (216), 203 states have call successors, (216) [2024-11-22 01:54:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1693 transitions. [2024-11-22 01:54:57,019 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1693 transitions. Word has length 185 [2024-11-22 01:54:57,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:57,020 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1693 transitions. [2024-11-22 01:54:57,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-22 01:54:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1693 transitions. [2024-11-22 01:54:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-22 01:54:57,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:57,026 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:54:57,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 01:54:57,027 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:57,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:57,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2100702077, now seen corresponding path program 1 times [2024-11-22 01:54:57,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:57,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688639081] [2024-11-22 01:54:57,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:57,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 01:54:57,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:57,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688639081] [2024-11-22 01:54:57,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688639081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:57,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:57,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:57,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221405251] [2024-11-22 01:54:57,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:57,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:57,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:57,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:57,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:57,136 INFO L87 Difference]: Start difference. First operand 1148 states and 1693 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-22 01:54:57,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:57,189 INFO L93 Difference]: Finished difference Result 1150 states and 1694 transitions. [2024-11-22 01:54:57,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:57,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 186 [2024-11-22 01:54:57,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:57,194 INFO L225 Difference]: With dead ends: 1150 [2024-11-22 01:54:57,195 INFO L226 Difference]: Without dead ends: 603 [2024-11-22 01:54:57,197 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 01:54:57,198 INFO L432 NwaCegarLoop]: 867 mSDtfsCounter, 828 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:57,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 904 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:57,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-22 01:54:57,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2024-11-22 01:54:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 448 states have (on average 1.4732142857142858) internal successors, (660), 463 states have internal predecessors, (660), 108 states have call successors, (108), 46 states have call predecessors, (108), 46 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-22 01:54:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 875 transitions. [2024-11-22 01:54:57,233 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 875 transitions. Word has length 186 [2024-11-22 01:54:57,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:57,234 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 875 transitions. [2024-11-22 01:54:57,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-22 01:54:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 875 transitions. [2024-11-22 01:54:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-22 01:54:57,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:57,238 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:57,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 01:54:57,238 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:57,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:57,239 INFO L85 PathProgramCache]: Analyzing trace with hash -930801913, now seen corresponding path program 1 times [2024-11-22 01:54:57,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:57,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874809262] [2024-11-22 01:54:57,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:57,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-22 01:54:57,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:57,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874809262] [2024-11-22 01:54:57,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874809262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:57,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:54:57,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:54:57,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177430869] [2024-11-22 01:54:57,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:57,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:57,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:57,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:57,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:54:57,336 INFO L87 Difference]: Start difference. First operand 603 states and 875 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 01:54:57,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:57,412 INFO L93 Difference]: Finished difference Result 1160 states and 1690 transitions. [2024-11-22 01:54:57,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:57,413 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 195 [2024-11-22 01:54:57,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:57,417 INFO L225 Difference]: With dead ends: 1160 [2024-11-22 01:54:57,417 INFO L226 Difference]: Without dead ends: 606 [2024-11-22 01:54:57,421 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 01:54:57,421 INFO L432 NwaCegarLoop]: 848 mSDtfsCounter, 810 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:54:57,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 889 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:57,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-22 01:54:57,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 600. [2024-11-22 01:54:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 448 states have (on average 1.4486607142857142) internal successors, (649), 458 states have internal predecessors, (649), 105 states have call successors, (105), 46 states have call predecessors, (105), 46 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-22 01:54:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 858 transitions. [2024-11-22 01:54:57,480 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 858 transitions. Word has length 195 [2024-11-22 01:54:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:57,481 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 858 transitions. [2024-11-22 01:54:57,481 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-22 01:54:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 858 transitions. [2024-11-22 01:54:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-22 01:54:57,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:57,485 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:57,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:54:57,485 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:57,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:57,486 INFO L85 PathProgramCache]: Analyzing trace with hash -121939893, now seen corresponding path program 1 times [2024-11-22 01:54:57,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:57,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022265778] [2024-11-22 01:54:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:57,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-22 01:54:57,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:57,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022265778] [2024-11-22 01:54:57,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022265778] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:54:57,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316409448] [2024-11-22 01:54:57,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:57,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:57,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:57,851 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 01:54:57,856 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 01:54:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:58,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 1588 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:54:58,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:54:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 01:54:58,444 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:54:58,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316409448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:58,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:54:58,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-22 01:54:58,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434559467] [2024-11-22 01:54:58,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:58,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:58,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:58,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:58,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:54:58,447 INFO L87 Difference]: Start difference. First operand 600 states and 858 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 01:54:58,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:58,494 INFO L93 Difference]: Finished difference Result 932 states and 1315 transitions. [2024-11-22 01:54:58,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:58,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 206 [2024-11-22 01:54:58,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:58,499 INFO L225 Difference]: With dead ends: 932 [2024-11-22 01:54:58,499 INFO L226 Difference]: Without dead ends: 603 [2024-11-22 01:54:58,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:54:58,501 INFO L432 NwaCegarLoop]: 852 mSDtfsCounter, 1 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1702 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 01:54:58,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1702 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:58,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-22 01:54:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 602. [2024-11-22 01:54:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 450 states have (on average 1.4466666666666668) internal successors, (651), 460 states have internal predecessors, (651), 105 states have call successors, (105), 46 states have call predecessors, (105), 46 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-22 01:54:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 860 transitions. [2024-11-22 01:54:58,536 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 860 transitions. Word has length 206 [2024-11-22 01:54:58,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:58,537 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 860 transitions. [2024-11-22 01:54:58,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 01:54:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 860 transitions. [2024-11-22 01:54:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-22 01:54:58,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:58,541 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:58,553 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 01:54:58,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:58,747 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:58,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:58,748 INFO L85 PathProgramCache]: Analyzing trace with hash 200685262, now seen corresponding path program 1 times [2024-11-22 01:54:58,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:58,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319634966] [2024-11-22 01:54:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:58,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:54:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 01:54:59,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:54:59,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319634966] [2024-11-22 01:54:59,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319634966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:54:59,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902982849] [2024-11-22 01:54:59,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:59,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:54:59,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:54:59,185 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 01:54:59,187 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 01:54:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:54:59,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 1632 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:54:59,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:54:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-22 01:54:59,673 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:54:59,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902982849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:54:59,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:54:59,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-22 01:54:59,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873892138] [2024-11-22 01:54:59,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:54:59,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:54:59,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:54:59,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:54:59,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:54:59,677 INFO L87 Difference]: Start difference. First operand 602 states and 860 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:54:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:54:59,730 INFO L93 Difference]: Finished difference Result 1221 states and 1779 transitions. [2024-11-22 01:54:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:54:59,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 221 [2024-11-22 01:54:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:54:59,735 INFO L225 Difference]: With dead ends: 1221 [2024-11-22 01:54:59,735 INFO L226 Difference]: Without dead ends: 700 [2024-11-22 01:54:59,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:54:59,737 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 165 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1673 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 01:54:59,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1673 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:54:59,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-22 01:54:59,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 692. [2024-11-22 01:54:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 526 states have (on average 1.461977186311787) internal successors, (769), 536 states have internal predecessors, (769), 119 states have call successors, (119), 46 states have call predecessors, (119), 46 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-22 01:54:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1006 transitions. [2024-11-22 01:54:59,780 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1006 transitions. Word has length 221 [2024-11-22 01:54:59,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:54:59,780 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 1006 transitions. [2024-11-22 01:54:59,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:54:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1006 transitions. [2024-11-22 01:54:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-22 01:54:59,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:54:59,785 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:59,797 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 01:54:59,989 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,SelfDestructingSolverStorable7 [2024-11-22 01:54:59,990 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:54:59,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:54:59,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1031902853, now seen corresponding path program 1 times [2024-11-22 01:54:59,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:54:59,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453717654] [2024-11-22 01:54:59,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:54:59,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 01:55:00,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:00,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453717654] [2024-11-22 01:55:00,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453717654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:55:00,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755098116] [2024-11-22 01:55:00,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:00,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:00,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:55:00,340 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 01:55:00,342 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 01:55:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:00,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:55:00,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:55:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:00,998 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:55:00,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755098116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:00,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:55:00,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-22 01:55:00,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628768616] [2024-11-22 01:55:00,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:00,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:00,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:01,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:01,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:55:01,001 INFO L87 Difference]: Start difference. First operand 692 states and 1006 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-22 01:55:01,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:01,100 INFO L93 Difference]: Finished difference Result 1656 states and 2407 transitions. [2024-11-22 01:55:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:01,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 222 [2024-11-22 01:55:01,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:01,111 INFO L225 Difference]: With dead ends: 1656 [2024-11-22 01:55:01,111 INFO L226 Difference]: Without dead ends: 1335 [2024-11-22 01:55:01,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:55:01,114 INFO L432 NwaCegarLoop]: 872 mSDtfsCounter, 722 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:01,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 1690 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:01,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2024-11-22 01:55:01,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1333. [2024-11-22 01:55:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1021 states have (on average 1.4701273261508325) internal successors, (1501), 1038 states have internal predecessors, (1501), 222 states have call successors, (222), 89 states have call predecessors, (222), 89 states have return successors, (229), 218 states have call predecessors, (229), 220 states have call successors, (229) [2024-11-22 01:55:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1952 transitions. [2024-11-22 01:55:01,195 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1952 transitions. Word has length 222 [2024-11-22 01:55:01,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:01,195 INFO L471 AbstractCegarLoop]: Abstraction has 1333 states and 1952 transitions. [2024-11-22 01:55:01,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-22 01:55:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1952 transitions. [2024-11-22 01:55:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-22 01:55:01,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:01,203 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:01,215 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 01:55:01,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:01,404 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:01,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:01,405 INFO L85 PathProgramCache]: Analyzing trace with hash -485168050, now seen corresponding path program 1 times [2024-11-22 01:55:01,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:01,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054845730] [2024-11-22 01:55:01,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:01,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 01:55:01,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:01,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054845730] [2024-11-22 01:55:01,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054845730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:55:01,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118954620] [2024-11-22 01:55:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:01,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:01,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:55:01,731 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 01:55:01,734 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 01:55:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:02,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:55:02,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:55:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-22 01:55:02,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:55:02,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118954620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:02,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:55:02,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-22 01:55:02,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552439291] [2024-11-22 01:55:02,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:02,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:02,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:02,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:02,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:55:02,265 INFO L87 Difference]: Start difference. First operand 1333 states and 1952 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-22 01:55:02,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:02,396 INFO L93 Difference]: Finished difference Result 3696 states and 5551 transitions. [2024-11-22 01:55:02,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:02,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 215 [2024-11-22 01:55:02,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:02,413 INFO L225 Difference]: With dead ends: 3696 [2024-11-22 01:55:02,414 INFO L226 Difference]: Without dead ends: 2492 [2024-11-22 01:55:02,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:55:02,420 INFO L432 NwaCegarLoop]: 1151 mSDtfsCounter, 689 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 1984 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:02,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 1984 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:02,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2024-11-22 01:55:02,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2490. [2024-11-22 01:55:02,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2490 states, 1913 states have (on average 1.4830109775222164) internal successors, (2837), 1943 states have internal predecessors, (2837), 408 states have call successors, (408), 168 states have call predecessors, (408), 168 states have return successors, (457), 400 states have call predecessors, (457), 404 states have call successors, (457) [2024-11-22 01:55:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 3702 transitions. [2024-11-22 01:55:02,599 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 3702 transitions. Word has length 215 [2024-11-22 01:55:02,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:02,600 INFO L471 AbstractCegarLoop]: Abstraction has 2490 states and 3702 transitions. [2024-11-22 01:55:02,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-22 01:55:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 3702 transitions. [2024-11-22 01:55:02,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-22 01:55:02,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:02,613 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:02,625 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 01:55:02,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:02,815 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:02,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:02,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1368104296, now seen corresponding path program 1 times [2024-11-22 01:55:02,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:02,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183275583] [2024-11-22 01:55:02,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:02,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 01:55:03,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:03,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183275583] [2024-11-22 01:55:03,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183275583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:55:03,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203864918] [2024-11-22 01:55:03,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:03,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:03,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:55:03,108 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 01:55:03,114 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 01:55:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:03,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 01:55:03,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:55:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-22 01:55:03,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:55:03,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203864918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:03,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:55:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-22 01:55:03,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042733786] [2024-11-22 01:55:03,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:03,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:55:03,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:03,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:55:03,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-22 01:55:03,676 INFO L87 Difference]: Start difference. First operand 2490 states and 3702 transitions. Second operand has 8 states, 6 states have (on average 21.833333333333332) internal successors, (131), 8 states have internal predecessors, (131), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:03,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:03,873 INFO L93 Difference]: Finished difference Result 4898 states and 7312 transitions. [2024-11-22 01:55:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 01:55:03,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 21.833333333333332) internal successors, (131), 8 states have internal predecessors, (131), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 215 [2024-11-22 01:55:03,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:03,892 INFO L225 Difference]: With dead ends: 4898 [2024-11-22 01:55:03,893 INFO L226 Difference]: Without dead ends: 2494 [2024-11-22 01:55:03,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-22 01:55:03,902 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 4 mSDsluCounter, 5041 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5884 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:03,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5884 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:55:03,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2024-11-22 01:55:04,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2494. [2024-11-22 01:55:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2494 states, 1915 states have (on average 1.4825065274151437) internal successors, (2839), 1947 states have internal predecessors, (2839), 408 states have call successors, (408), 168 states have call predecessors, (408), 170 states have return successors, (461), 400 states have call predecessors, (461), 404 states have call successors, (461) [2024-11-22 01:55:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 3708 transitions. [2024-11-22 01:55:04,042 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 3708 transitions. Word has length 215 [2024-11-22 01:55:04,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:04,044 INFO L471 AbstractCegarLoop]: Abstraction has 2494 states and 3708 transitions. [2024-11-22 01:55:04,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 21.833333333333332) internal successors, (131), 8 states have internal predecessors, (131), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3708 transitions. [2024-11-22 01:55:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-22 01:55:04,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:04,056 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:04,068 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 01:55:04,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 01:55:04,258 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:04,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:04,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1313117443, now seen corresponding path program 1 times [2024-11-22 01:55:04,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:04,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083366416] [2024-11-22 01:55:04,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:04,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-22 01:55:04,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083366416] [2024-11-22 01:55:04,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083366416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:55:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731006186] [2024-11-22 01:55:04,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:04,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:55:04,558 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 01:55:04,560 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 01:55:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:05,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 1601 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:55:05,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:55:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-22 01:55:05,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:55:05,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731006186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:05,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:55:05,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-22 01:55:05,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544928868] [2024-11-22 01:55:05,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:05,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 01:55:05,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:05,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 01:55:05,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-22 01:55:05,099 INFO L87 Difference]: Start difference. First operand 2494 states and 3708 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-22 01:55:05,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:05,262 INFO L93 Difference]: Finished difference Result 4904 states and 7328 transitions. [2024-11-22 01:55:05,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 01:55:05,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 216 [2024-11-22 01:55:05,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:05,279 INFO L225 Difference]: With dead ends: 4904 [2024-11-22 01:55:05,280 INFO L226 Difference]: Without dead ends: 2502 [2024-11-22 01:55:05,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-22 01:55:05,289 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 2 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4198 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:05,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4198 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:55:05,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2024-11-22 01:55:05,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2498. [2024-11-22 01:55:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 1917 states have (on average 1.482003129890454) internal successors, (2841), 1951 states have internal predecessors, (2841), 408 states have call successors, (408), 168 states have call predecessors, (408), 172 states have return successors, (471), 400 states have call predecessors, (471), 404 states have call successors, (471) [2024-11-22 01:55:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3720 transitions. [2024-11-22 01:55:05,448 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3720 transitions. Word has length 216 [2024-11-22 01:55:05,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:05,449 INFO L471 AbstractCegarLoop]: Abstraction has 2498 states and 3720 transitions. [2024-11-22 01:55:05,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-22 01:55:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3720 transitions. [2024-11-22 01:55:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-22 01:55:05,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:05,459 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:05,471 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 01:55:05,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:05,661 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:05,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:05,662 INFO L85 PathProgramCache]: Analyzing trace with hash 576573086, now seen corresponding path program 1 times [2024-11-22 01:55:05,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:05,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100953975] [2024-11-22 01:55:05,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:05,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 01:55:05,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100953975] [2024-11-22 01:55:05,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100953975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:05,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:05,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:55:05,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631883271] [2024-11-22 01:55:05,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:05,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:55:05,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:05,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:55:05,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:55:05,950 INFO L87 Difference]: Start difference. First operand 2498 states and 3720 transitions. Second operand has 8 states, 6 states have (on average 21.5) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:06,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:06,190 INFO L93 Difference]: Finished difference Result 4876 states and 7294 transitions. [2024-11-22 01:55:06,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 01:55:06,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 21.5) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 217 [2024-11-22 01:55:06,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:06,211 INFO L225 Difference]: With dead ends: 4876 [2024-11-22 01:55:06,211 INFO L226 Difference]: Without dead ends: 2498 [2024-11-22 01:55:06,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:55:06,222 INFO L432 NwaCegarLoop]: 844 mSDtfsCounter, 4 mSDsluCounter, 5047 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5891 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:06,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5891 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:55:06,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-11-22 01:55:06,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2498. [2024-11-22 01:55:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 1917 states have (on average 1.482003129890454) internal successors, (2841), 1951 states have internal predecessors, (2841), 408 states have call successors, (408), 168 states have call predecessors, (408), 172 states have return successors, (469), 400 states have call predecessors, (469), 404 states have call successors, (469) [2024-11-22 01:55:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3718 transitions. [2024-11-22 01:55:06,375 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3718 transitions. Word has length 217 [2024-11-22 01:55:06,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:06,376 INFO L471 AbstractCegarLoop]: Abstraction has 2498 states and 3718 transitions. [2024-11-22 01:55:06,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 21.5) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3718 transitions. [2024-11-22 01:55:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-22 01:55:06,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:06,387 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:06,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:55:06,388 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:06,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:06,388 INFO L85 PathProgramCache]: Analyzing trace with hash -92789235, now seen corresponding path program 2 times [2024-11-22 01:55:06,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:06,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937293795] [2024-11-22 01:55:06,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 01:55:06,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:06,424 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 01:55:06,425 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:55:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-22 01:55:06,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:06,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937293795] [2024-11-22 01:55:06,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937293795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:06,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:06,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 01:55:06,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013304574] [2024-11-22 01:55:06,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:06,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 01:55:06,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:06,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 01:55:06,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:55:06,553 INFO L87 Difference]: Start difference. First operand 2498 states and 3718 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 01:55:06,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:06,680 INFO L93 Difference]: Finished difference Result 3732 states and 5529 transitions. [2024-11-22 01:55:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 01:55:06,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2024-11-22 01:55:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:06,705 INFO L225 Difference]: With dead ends: 3732 [2024-11-22 01:55:06,706 INFO L226 Difference]: Without dead ends: 2514 [2024-11-22 01:55:06,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:55:06,712 INFO L432 NwaCegarLoop]: 851 mSDtfsCounter, 0 mSDsluCounter, 4246 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5097 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:06,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5097 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2024-11-22 01:55:06,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2514. [2024-11-22 01:55:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 1929 states have (on average 1.47900466562986) internal successors, (2853), 1963 states have internal predecessors, (2853), 408 states have call successors, (408), 168 states have call predecessors, (408), 176 states have return successors, (477), 404 states have call predecessors, (477), 404 states have call successors, (477) [2024-11-22 01:55:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3738 transitions. [2024-11-22 01:55:06,837 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3738 transitions. Word has length 218 [2024-11-22 01:55:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:06,838 INFO L471 AbstractCegarLoop]: Abstraction has 2514 states and 3738 transitions. [2024-11-22 01:55:06,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 01:55:06,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3738 transitions. [2024-11-22 01:55:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-22 01:55:06,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:06,849 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:06,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 01:55:06,850 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:06,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1461360149, now seen corresponding path program 1 times [2024-11-22 01:55:06,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:06,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479975700] [2024-11-22 01:55:06,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:06,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 01:55:07,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:07,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479975700] [2024-11-22 01:55:07,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479975700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:07,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:07,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:55:07,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365649749] [2024-11-22 01:55:07,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:07,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:55:07,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:07,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:55:07,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:55:07,103 INFO L87 Difference]: Start difference. First operand 2514 states and 3738 transitions. Second operand has 8 states, 6 states have (on average 22.166666666666668) internal successors, (133), 8 states have internal predecessors, (133), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:07,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:07,290 INFO L93 Difference]: Finished difference Result 4912 states and 7340 transitions. [2024-11-22 01:55:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 01:55:07,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 22.166666666666668) internal successors, (133), 8 states have internal predecessors, (133), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 221 [2024-11-22 01:55:07,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:07,307 INFO L225 Difference]: With dead ends: 4912 [2024-11-22 01:55:07,308 INFO L226 Difference]: Without dead ends: 2518 [2024-11-22 01:55:07,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:55:07,318 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 3 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5897 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:07,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5897 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:55:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2024-11-22 01:55:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2518. [2024-11-22 01:55:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1931 states have (on average 1.4785085447954427) internal successors, (2855), 1967 states have internal predecessors, (2855), 408 states have call successors, (408), 168 states have call predecessors, (408), 178 states have return successors, (481), 404 states have call predecessors, (481), 404 states have call successors, (481) [2024-11-22 01:55:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3744 transitions. [2024-11-22 01:55:07,439 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3744 transitions. Word has length 221 [2024-11-22 01:55:07,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:07,440 INFO L471 AbstractCegarLoop]: Abstraction has 2518 states and 3744 transitions. [2024-11-22 01:55:07,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 22.166666666666668) internal successors, (133), 8 states have internal predecessors, (133), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3744 transitions. [2024-11-22 01:55:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-22 01:55:07,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:07,451 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:07,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:55:07,452 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:07,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:07,452 INFO L85 PathProgramCache]: Analyzing trace with hash 42962293, now seen corresponding path program 1 times [2024-11-22 01:55:07,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:07,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729866978] [2024-11-22 01:55:07,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:07,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-22 01:55:07,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:07,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729866978] [2024-11-22 01:55:07,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729866978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:07,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:07,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 01:55:07,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222147099] [2024-11-22 01:55:07,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:07,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 01:55:07,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:07,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 01:55:07,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:55:07,675 INFO L87 Difference]: Start difference. First operand 2518 states and 3744 transitions. Second operand has 9 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:07,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:07,907 INFO L93 Difference]: Finished difference Result 4910 states and 7336 transitions. [2024-11-22 01:55:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 01:55:07,908 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 222 [2024-11-22 01:55:07,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:07,925 INFO L225 Difference]: With dead ends: 4910 [2024-11-22 01:55:07,926 INFO L226 Difference]: Without dead ends: 2522 [2024-11-22 01:55:07,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:55:07,934 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 7 mSDsluCounter, 5829 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6666 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:07,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 6666 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:55:07,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2024-11-22 01:55:08,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2518. [2024-11-22 01:55:08,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1931 states have (on average 1.4785085447954427) internal successors, (2855), 1967 states have internal predecessors, (2855), 408 states have call successors, (408), 168 states have call predecessors, (408), 178 states have return successors, (479), 404 states have call predecessors, (479), 404 states have call successors, (479) [2024-11-22 01:55:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3742 transitions. [2024-11-22 01:55:08,043 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3742 transitions. Word has length 222 [2024-11-22 01:55:08,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:08,043 INFO L471 AbstractCegarLoop]: Abstraction has 2518 states and 3742 transitions. [2024-11-22 01:55:08,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3742 transitions. [2024-11-22 01:55:08,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-22 01:55:08,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:08,054 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:08,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 01:55:08,054 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:08,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:08,054 INFO L85 PathProgramCache]: Analyzing trace with hash -487652988, now seen corresponding path program 2 times [2024-11-22 01:55:08,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:08,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105306632] [2024-11-22 01:55:08,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 01:55:08,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:08,087 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 01:55:08,087 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:55:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-22 01:55:08,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:08,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105306632] [2024-11-22 01:55:08,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105306632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:08,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:08,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 01:55:08,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145315069] [2024-11-22 01:55:08,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:08,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 01:55:08,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:08,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 01:55:08,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 01:55:08,126 INFO L87 Difference]: Start difference. First operand 2518 states and 3742 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 4 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:08,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:08,628 INFO L93 Difference]: Finished difference Result 5335 states and 8123 transitions. [2024-11-22 01:55:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 01:55:08,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 4 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 223 [2024-11-22 01:55:08,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:08,641 INFO L225 Difference]: With dead ends: 5335 [2024-11-22 01:55:08,641 INFO L226 Difference]: Without dead ends: 1174 [2024-11-22 01:55:08,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 01:55:08,654 INFO L432 NwaCegarLoop]: 1290 mSDtfsCounter, 1224 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:08,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 2338 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 01:55:08,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-22 01:55:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1174. [2024-11-22 01:55:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 909 states have (on average 1.470847084708471) internal successors, (1337), 920 states have internal predecessors, (1337), 182 states have call successors, (182), 79 states have call predecessors, (182), 82 states have return successors, (199), 178 states have call predecessors, (199), 180 states have call successors, (199) [2024-11-22 01:55:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1718 transitions. [2024-11-22 01:55:08,709 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1718 transitions. Word has length 223 [2024-11-22 01:55:08,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:08,710 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1718 transitions. [2024-11-22 01:55:08,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 4 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-22 01:55:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1718 transitions. [2024-11-22 01:55:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-22 01:55:08,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:08,716 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:08,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 01:55:08,717 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:08,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:08,717 INFO L85 PathProgramCache]: Analyzing trace with hash -561153188, now seen corresponding path program 1 times [2024-11-22 01:55:08,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:08,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143859931] [2024-11-22 01:55:08,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:08,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-22 01:55:09,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:09,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143859931] [2024-11-22 01:55:09,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143859931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:09,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:09,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 01:55:09,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890654331] [2024-11-22 01:55:09,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:09,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 01:55:09,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:09,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 01:55:09,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 01:55:09,022 INFO L87 Difference]: Start difference. First operand 1174 states and 1718 transitions. Second operand has 9 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-22 01:55:09,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:09,226 INFO L93 Difference]: Finished difference Result 2269 states and 3351 transitions. [2024-11-22 01:55:09,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 01:55:09,227 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 227 [2024-11-22 01:55:09,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:09,239 INFO L225 Difference]: With dead ends: 2269 [2024-11-22 01:55:09,239 INFO L226 Difference]: Without dead ends: 1178 [2024-11-22 01:55:09,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:55:09,243 INFO L432 NwaCegarLoop]: 746 mSDtfsCounter, 4 mSDsluCounter, 5192 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5938 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:09,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5938 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:55:09,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-22 01:55:09,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1176. [2024-11-22 01:55:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 910 states have (on average 1.4703296703296704) internal successors, (1338), 922 states have internal predecessors, (1338), 182 states have call successors, (182), 79 states have call predecessors, (182), 83 states have return successors, (204), 178 states have call predecessors, (204), 180 states have call successors, (204) [2024-11-22 01:55:09,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1724 transitions. [2024-11-22 01:55:09,308 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1724 transitions. Word has length 227 [2024-11-22 01:55:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:09,309 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1724 transitions. [2024-11-22 01:55:09,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 20.0) internal successors, (140), 8 states have internal predecessors, (140), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-22 01:55:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1724 transitions. [2024-11-22 01:55:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-22 01:55:09,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:09,315 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:09,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:55:09,316 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:09,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:09,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1371522318, now seen corresponding path program 1 times [2024-11-22 01:55:09,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:09,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653848513] [2024-11-22 01:55:09,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:09,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:09,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:09,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653848513] [2024-11-22 01:55:09,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653848513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:55:09,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200743332] [2024-11-22 01:55:09,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:09,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:55:09,490 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 01:55:09,492 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 01:55:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:09,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 1626 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:55:09,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:55:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:09,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:55:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:10,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200743332] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:55:10,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:55:10,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 01:55:10,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681312390] [2024-11-22 01:55:10,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:55:10,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 01:55:10,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:10,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 01:55:10,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:55:10,097 INFO L87 Difference]: Start difference. First operand 1176 states and 1724 transitions. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 7 states have internal predecessors, (183), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-22 01:55:10,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:10,334 INFO L93 Difference]: Finished difference Result 2610 states and 3917 transitions. [2024-11-22 01:55:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 01:55:10,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 7 states have internal predecessors, (183), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 228 [2024-11-22 01:55:10,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:10,349 INFO L225 Difference]: With dead ends: 2610 [2024-11-22 01:55:10,349 INFO L226 Difference]: Without dead ends: 2080 [2024-11-22 01:55:10,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 453 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 01:55:10,353 INFO L432 NwaCegarLoop]: 807 mSDtfsCounter, 785 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 01:55:10,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 2242 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 01:55:10,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2024-11-22 01:55:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 2034. [2024-11-22 01:55:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1641 states have (on average 1.5131017672151128) internal successors, (2483), 1653 states have internal predecessors, (2483), 309 states have call successors, (309), 79 states have call predecessors, (309), 83 states have return successors, (341), 305 states have call predecessors, (341), 307 states have call successors, (341) [2024-11-22 01:55:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 3133 transitions. [2024-11-22 01:55:10,440 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 3133 transitions. Word has length 228 [2024-11-22 01:55:10,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:10,441 INFO L471 AbstractCegarLoop]: Abstraction has 2034 states and 3133 transitions. [2024-11-22 01:55:10,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 7 states have internal predecessors, (183), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-22 01:55:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 3133 transitions. [2024-11-22 01:55:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-22 01:55:10,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:10,453 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:10,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 01:55:10,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:55:10,654 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:10,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:10,654 INFO L85 PathProgramCache]: Analyzing trace with hash 900395578, now seen corresponding path program 1 times [2024-11-22 01:55:10,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:10,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270893230] [2024-11-22 01:55:10,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:10,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:10,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:10,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270893230] [2024-11-22 01:55:10,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270893230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:10,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:10,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:10,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578274080] [2024-11-22 01:55:10,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:10,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:10,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:10,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:10,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:10,810 INFO L87 Difference]: Start difference. First operand 2034 states and 3133 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:10,921 INFO L93 Difference]: Finished difference Result 4707 states and 7358 transitions. [2024-11-22 01:55:10,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:10,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 232 [2024-11-22 01:55:10,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:10,951 INFO L225 Difference]: With dead ends: 4707 [2024-11-22 01:55:10,952 INFO L226 Difference]: Without dead ends: 3013 [2024-11-22 01:55:10,959 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 01:55:10,960 INFO L432 NwaCegarLoop]: 777 mSDtfsCounter, 163 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1524 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 01:55:10,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1524 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:10,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2024-11-22 01:55:11,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 2997. [2024-11-22 01:55:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 2449 states have (on average 1.527562270314414) internal successors, (3741), 2461 states have internal predecessors, (3741), 464 states have call successors, (464), 79 states have call predecessors, (464), 83 states have return successors, (506), 460 states have call predecessors, (506), 462 states have call successors, (506) [2024-11-22 01:55:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4711 transitions. [2024-11-22 01:55:11,111 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4711 transitions. Word has length 232 [2024-11-22 01:55:11,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:11,111 INFO L471 AbstractCegarLoop]: Abstraction has 2997 states and 4711 transitions. [2024-11-22 01:55:11,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4711 transitions. [2024-11-22 01:55:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-22 01:55:11,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:11,125 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:11,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 01:55:11,125 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:11,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:11,126 INFO L85 PathProgramCache]: Analyzing trace with hash -102240609, now seen corresponding path program 1 times [2024-11-22 01:55:11,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:11,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697153038] [2024-11-22 01:55:11,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:11,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:11,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:11,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697153038] [2024-11-22 01:55:11,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697153038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:11,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:11,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:11,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811299413] [2024-11-22 01:55:11,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:11,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:11,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:11,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:11,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:11,285 INFO L87 Difference]: Start difference. First operand 2997 states and 4711 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:11,433 INFO L93 Difference]: Finished difference Result 7143 states and 11345 transitions. [2024-11-22 01:55:11,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:11,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 233 [2024-11-22 01:55:11,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:11,455 INFO L225 Difference]: With dead ends: 7143 [2024-11-22 01:55:11,456 INFO L226 Difference]: Without dead ends: 4419 [2024-11-22 01:55:11,466 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 01:55:11,467 INFO L432 NwaCegarLoop]: 760 mSDtfsCounter, 161 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1512 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 01:55:11,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1512 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:11,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2024-11-22 01:55:11,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 4403. [2024-11-22 01:55:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4403 states, 3646 states have (on average 1.5386725178277565) internal successors, (5610), 3658 states have internal predecessors, (5610), 673 states have call successors, (673), 79 states have call predecessors, (673), 83 states have return successors, (715), 669 states have call predecessors, (715), 671 states have call successors, (715) [2024-11-22 01:55:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 6998 transitions. [2024-11-22 01:55:11,684 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 6998 transitions. Word has length 233 [2024-11-22 01:55:11,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:11,684 INFO L471 AbstractCegarLoop]: Abstraction has 4403 states and 6998 transitions. [2024-11-22 01:55:11,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 6998 transitions. [2024-11-22 01:55:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-22 01:55:11,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:11,706 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:11,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 01:55:11,707 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:11,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:11,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1014382419, now seen corresponding path program 1 times [2024-11-22 01:55:11,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:11,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459718651] [2024-11-22 01:55:11,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:11,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:11,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:11,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459718651] [2024-11-22 01:55:11,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459718651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:11,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:11,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:11,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930277902] [2024-11-22 01:55:11,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:11,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:11,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:11,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:11,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:11,804 INFO L87 Difference]: Start difference. First operand 4403 states and 6998 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:12,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:12,021 INFO L93 Difference]: Finished difference Result 10431 states and 16735 transitions. [2024-11-22 01:55:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:12,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 234 [2024-11-22 01:55:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:12,053 INFO L225 Difference]: With dead ends: 10431 [2024-11-22 01:55:12,053 INFO L226 Difference]: Without dead ends: 6590 [2024-11-22 01:55:12,069 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 01:55:12,070 INFO L432 NwaCegarLoop]: 760 mSDtfsCounter, 159 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1509 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 01:55:12,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1509 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:12,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6590 states. [2024-11-22 01:55:12,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6590 to 6574. [2024-11-22 01:55:12,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6574 states, 5531 states have (on average 1.5483637678539144) internal successors, (8564), 5543 states have internal predecessors, (8564), 959 states have call successors, (959), 79 states have call predecessors, (959), 83 states have return successors, (1017), 955 states have call predecessors, (1017), 957 states have call successors, (1017) [2024-11-22 01:55:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6574 states to 6574 states and 10540 transitions. [2024-11-22 01:55:12,408 INFO L78 Accepts]: Start accepts. Automaton has 6574 states and 10540 transitions. Word has length 234 [2024-11-22 01:55:12,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:12,408 INFO L471 AbstractCegarLoop]: Abstraction has 6574 states and 10540 transitions. [2024-11-22 01:55:12,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6574 states and 10540 transitions. [2024-11-22 01:55:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-22 01:55:12,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:12,436 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:12,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 01:55:12,437 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:12,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:12,437 INFO L85 PathProgramCache]: Analyzing trace with hash 795937207, now seen corresponding path program 1 times [2024-11-22 01:55:12,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:12,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613502467] [2024-11-22 01:55:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:12,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:12,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:12,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613502467] [2024-11-22 01:55:12,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613502467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:12,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:12,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:12,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546512861] [2024-11-22 01:55:12,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:12,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:12,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:12,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:12,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:12,561 INFO L87 Difference]: Start difference. First operand 6574 states and 10540 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:12,904 INFO L93 Difference]: Finished difference Result 15755 states and 25485 transitions. [2024-11-22 01:55:12,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 235 [2024-11-22 01:55:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:12,948 INFO L225 Difference]: With dead ends: 15755 [2024-11-22 01:55:12,948 INFO L226 Difference]: Without dead ends: 10169 [2024-11-22 01:55:12,969 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 01:55:12,969 INFO L432 NwaCegarLoop]: 760 mSDtfsCounter, 157 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1509 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 01:55:12,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1509 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:12,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10169 states. [2024-11-22 01:55:13,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10169 to 10153. [2024-11-22 01:55:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10153 states, 8669 states have (on average 1.5573883954319991) internal successors, (13501), 8681 states have internal predecessors, (13501), 1400 states have call successors, (1400), 79 states have call predecessors, (1400), 83 states have return successors, (1484), 1396 states have call predecessors, (1484), 1398 states have call successors, (1484) [2024-11-22 01:55:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10153 states to 10153 states and 16385 transitions. [2024-11-22 01:55:13,437 INFO L78 Accepts]: Start accepts. Automaton has 10153 states and 16385 transitions. Word has length 235 [2024-11-22 01:55:13,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:13,438 INFO L471 AbstractCegarLoop]: Abstraction has 10153 states and 16385 transitions. [2024-11-22 01:55:13,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 10153 states and 16385 transitions. [2024-11-22 01:55:13,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-22 01:55:13,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:13,466 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:13,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 01:55:13,468 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:13,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:13,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1257738498, now seen corresponding path program 1 times [2024-11-22 01:55:13,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:13,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749622483] [2024-11-22 01:55:13,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:13,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:13,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:13,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749622483] [2024-11-22 01:55:13,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749622483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:13,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:13,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:13,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599292136] [2024-11-22 01:55:13,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:13,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:13,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:13,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:13,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:13,567 INFO L87 Difference]: Start difference. First operand 10153 states and 16385 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:14,017 INFO L93 Difference]: Finished difference Result 24883 states and 40418 transitions. [2024-11-22 01:55:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:14,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 236 [2024-11-22 01:55:14,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:14,087 INFO L225 Difference]: With dead ends: 24883 [2024-11-22 01:55:14,087 INFO L226 Difference]: Without dead ends: 16322 [2024-11-22 01:55:14,116 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 01:55:14,117 INFO L432 NwaCegarLoop]: 771 mSDtfsCounter, 155 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1518 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 01:55:14,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1518 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:14,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16322 states. [2024-11-22 01:55:14,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16322 to 16306. [2024-11-22 01:55:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16306 states, 13911 states have (on average 1.5551002803536769) internal successors, (21633), 13923 states have internal predecessors, (21633), 2311 states have call successors, (2311), 79 states have call predecessors, (2311), 83 states have return successors, (2439), 2307 states have call predecessors, (2439), 2309 states have call successors, (2439) [2024-11-22 01:55:14,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16306 states to 16306 states and 26383 transitions. [2024-11-22 01:55:14,937 INFO L78 Accepts]: Start accepts. Automaton has 16306 states and 26383 transitions. Word has length 236 [2024-11-22 01:55:14,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:14,938 INFO L471 AbstractCegarLoop]: Abstraction has 16306 states and 26383 transitions. [2024-11-22 01:55:14,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 16306 states and 26383 transitions. [2024-11-22 01:55:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-22 01:55:14,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:14,987 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:14,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 01:55:14,988 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:14,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:14,988 INFO L85 PathProgramCache]: Analyzing trace with hash 70663692, now seen corresponding path program 1 times [2024-11-22 01:55:14,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:14,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489173596] [2024-11-22 01:55:14,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:14,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:15,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:15,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489173596] [2024-11-22 01:55:15,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489173596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:15,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:15,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:15,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874838765] [2024-11-22 01:55:15,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:15,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:15,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:15,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:15,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:15,094 INFO L87 Difference]: Start difference. First operand 16306 states and 26383 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:16,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:16,069 INFO L93 Difference]: Finished difference Result 41670 states and 67991 transitions. [2024-11-22 01:55:16,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:16,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 237 [2024-11-22 01:55:16,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:16,417 INFO L225 Difference]: With dead ends: 41670 [2024-11-22 01:55:16,418 INFO L226 Difference]: Without dead ends: 27665 [2024-11-22 01:55:16,452 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 01:55:16,454 INFO L432 NwaCegarLoop]: 762 mSDtfsCounter, 153 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1514 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 01:55:16,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1514 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:16,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27665 states. [2024-11-22 01:55:17,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27665 to 27649. [2024-11-22 01:55:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27649 states, 23696 states have (on average 1.561444969615125) internal successors, (37000), 23708 states have internal predecessors, (37000), 3869 states have call successors, (3869), 79 states have call predecessors, (3869), 83 states have return successors, (4075), 3865 states have call predecessors, (4075), 3867 states have call successors, (4075) [2024-11-22 01:55:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27649 states to 27649 states and 44944 transitions. [2024-11-22 01:55:17,684 INFO L78 Accepts]: Start accepts. Automaton has 27649 states and 44944 transitions. Word has length 237 [2024-11-22 01:55:17,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:17,685 INFO L471 AbstractCegarLoop]: Abstraction has 27649 states and 44944 transitions. [2024-11-22 01:55:17,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 27649 states and 44944 transitions. [2024-11-22 01:55:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-22 01:55:17,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:17,759 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:17,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 01:55:17,759 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:17,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:17,760 INFO L85 PathProgramCache]: Analyzing trace with hash 55260599, now seen corresponding path program 1 times [2024-11-22 01:55:17,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:17,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943502091] [2024-11-22 01:55:17,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:17,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:17,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:17,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943502091] [2024-11-22 01:55:17,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943502091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:17,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:17,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:17,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231215768] [2024-11-22 01:55:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:17,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:17,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:17,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:17,889 INFO L87 Difference]: Start difference. First operand 27649 states and 44944 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:19,235 INFO L93 Difference]: Finished difference Result 68174 states and 110227 transitions. [2024-11-22 01:55:19,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:19,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 238 [2024-11-22 01:55:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:19,435 INFO L225 Difference]: With dead ends: 68174 [2024-11-22 01:55:19,436 INFO L226 Difference]: Without dead ends: 44432 [2024-11-22 01:55:19,518 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 01:55:19,519 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 151 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1510 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 01:55:19,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1510 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:19,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44432 states. [2024-11-22 01:55:21,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44432 to 44416. [2024-11-22 01:55:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44416 states, 38144 states have (on average 1.532508389261745) internal successors, (58456), 38156 states have internal predecessors, (58456), 6188 states have call successors, (6188), 79 states have call predecessors, (6188), 83 states have return successors, (6538), 6184 states have call predecessors, (6538), 6186 states have call successors, (6538) [2024-11-22 01:55:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44416 states to 44416 states and 71182 transitions. [2024-11-22 01:55:21,847 INFO L78 Accepts]: Start accepts. Automaton has 44416 states and 71182 transitions. Word has length 238 [2024-11-22 01:55:21,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:21,849 INFO L471 AbstractCegarLoop]: Abstraction has 44416 states and 71182 transitions. [2024-11-22 01:55:21,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:21,850 INFO L276 IsEmpty]: Start isEmpty. Operand 44416 states and 71182 transitions. [2024-11-22 01:55:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-22 01:55:21,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:21,961 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:21,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 01:55:21,961 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:21,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:21,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1027490820, now seen corresponding path program 1 times [2024-11-22 01:55:21,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:21,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971391223] [2024-11-22 01:55:21,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:21,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:22,061 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:22,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:22,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971391223] [2024-11-22 01:55:22,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971391223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:22,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:22,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:22,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353051286] [2024-11-22 01:55:22,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:22,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:22,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:22,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:22,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:22,066 INFO L87 Difference]: Start difference. First operand 44416 states and 71182 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:24,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:24,511 INFO L93 Difference]: Finished difference Result 119945 states and 192901 transitions. [2024-11-22 01:55:24,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:24,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 239 [2024-11-22 01:55:24,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:24,850 INFO L225 Difference]: With dead ends: 119945 [2024-11-22 01:55:24,851 INFO L226 Difference]: Without dead ends: 80509 [2024-11-22 01:55:24,967 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 01:55:24,968 INFO L432 NwaCegarLoop]: 760 mSDtfsCounter, 149 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1513 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 01:55:24,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1513 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:25,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80509 states. [2024-11-22 01:55:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80509 to 80493. [2024-11-22 01:55:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80493 states, 69435 states have (on average 1.532181176640023) internal successors, (106387), 69447 states have internal predecessors, (106387), 10974 states have call successors, (10974), 79 states have call predecessors, (10974), 83 states have return successors, (11598), 10970 states have call predecessors, (11598), 10972 states have call successors, (11598) [2024-11-22 01:55:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80493 states to 80493 states and 128959 transitions. [2024-11-22 01:55:28,666 INFO L78 Accepts]: Start accepts. Automaton has 80493 states and 128959 transitions. Word has length 239 [2024-11-22 01:55:28,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:28,667 INFO L471 AbstractCegarLoop]: Abstraction has 80493 states and 128959 transitions. [2024-11-22 01:55:28,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand 80493 states and 128959 transitions. [2024-11-22 01:55:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-22 01:55:28,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:28,830 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:28,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 01:55:28,830 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:28,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:28,831 INFO L85 PathProgramCache]: Analyzing trace with hash 61058500, now seen corresponding path program 1 times [2024-11-22 01:55:28,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:28,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465240079] [2024-11-22 01:55:28,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:28,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:28,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:28,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465240079] [2024-11-22 01:55:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465240079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:28,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:28,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:28,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895818692] [2024-11-22 01:55:28,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:28,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:28,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:28,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:28,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:28,953 INFO L87 Difference]: Start difference. First operand 80493 states and 128959 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:33,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:33,180 INFO L93 Difference]: Finished difference Result 222322 states and 357926 transitions. [2024-11-22 01:55:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:33,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 240 [2024-11-22 01:55:33,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:33,786 INFO L225 Difference]: With dead ends: 222322 [2024-11-22 01:55:33,786 INFO L226 Difference]: Without dead ends: 148323 [2024-11-22 01:55:33,942 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 01:55:33,943 INFO L432 NwaCegarLoop]: 763 mSDtfsCounter, 147 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1515 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 01:55:33,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1515 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:34,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148323 states. [2024-11-22 01:55:39,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148323 to 148307. [2024-11-22 01:55:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148307 states, 128352 states have (on average 1.5354260159561206) internal successors, (197075), 128364 states have internal predecessors, (197075), 19871 states have call successors, (19871), 79 states have call predecessors, (19871), 83 states have return successors, (21027), 19867 states have call predecessors, (21027), 19869 states have call successors, (21027) [2024-11-22 01:55:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148307 states to 148307 states and 237973 transitions. [2024-11-22 01:55:40,724 INFO L78 Accepts]: Start accepts. Automaton has 148307 states and 237973 transitions. Word has length 240 [2024-11-22 01:55:40,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:55:40,725 INFO L471 AbstractCegarLoop]: Abstraction has 148307 states and 237973 transitions. [2024-11-22 01:55:40,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:40,725 INFO L276 IsEmpty]: Start isEmpty. Operand 148307 states and 237973 transitions. [2024-11-22 01:55:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-22 01:55:40,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:55:40,897 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:40,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 01:55:40,898 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [incoming__before__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:55:40,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:55:40,898 INFO L85 PathProgramCache]: Analyzing trace with hash 2100713566, now seen corresponding path program 1 times [2024-11-22 01:55:40,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:55:40,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447988842] [2024-11-22 01:55:40,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:55:40,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:55:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:55:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-22 01:55:40,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:55:40,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447988842] [2024-11-22 01:55:40,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447988842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:55:40,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:55:40,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:55:40,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139445303] [2024-11-22 01:55:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:55:40,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:55:40,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:55:40,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:55:40,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:55:40,988 INFO L87 Difference]: Start difference. First operand 148307 states and 237973 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-22 01:55:47,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:55:47,576 INFO L93 Difference]: Finished difference Result 279956 states and 450521 transitions. [2024-11-22 01:55:47,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:55:47,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 241 [2024-11-22 01:55:47,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:55:48,932 INFO L225 Difference]: With dead ends: 279956 [2024-11-22 01:55:48,933 INFO L226 Difference]: Without dead ends: 279426 [2024-11-22 01:55:49,039 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 01:55:49,040 INFO L432 NwaCegarLoop]: 769 mSDtfsCounter, 141 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1528 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 01:55:49,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1528 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:55:49,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279426 states.