./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec1_product20.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 e0e95c13964d33a58c84e6632b6635f09155542b4e87cc9520cc45bb7c6f5f1d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:02:13,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:02:13,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:02:13,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:02:13,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:02:13,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:02:13,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:02:13,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:02:13,762 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:02:13,762 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:02:13,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:02:13,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:02:13,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:02:13,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:02:13,764 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:02:13,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:02:13,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:02:13,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:02:13,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:02:13,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:02:13,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:02:13,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:02:13,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:02:13,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:02:13,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:02:13,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:02:13,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:02:13,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:02:13,772 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:02:13,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:02:13,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:02:13,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:02:13,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:02:13,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:02:13,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:02:13,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:02:13,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:02:13,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:02:13,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:02:13,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:02:13,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:02:13,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:02:13,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0e95c13964d33a58c84e6632b6635f09155542b4e87cc9520cc45bb7c6f5f1d [2024-11-09 23:02:13,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:02:14,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:02:14,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:02:14,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:02:14,020 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:02:14,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2024-11-09 23:02:15,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:02:15,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:02:15,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2024-11-09 23:02:15,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077441a33/ede5dbf7c33b42ed84f453586fa0cda0/FLAG7309e30f6 [2024-11-09 23:02:15,769 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077441a33/ede5dbf7c33b42ed84f453586fa0cda0 [2024-11-09 23:02:15,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:02:15,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:02:15,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:02:15,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:02:15,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:02:15,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:02:15" (1/1) ... [2024-11-09 23:02:15,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed5523b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:15, skipping insertion in model container [2024-11-09 23:02:15,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:02:15" (1/1) ... [2024-11-09 23:02:15,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:02:16,247 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_spec1_product20.cil.c[17698,17711] [2024-11-09 23:02:16,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:02:16,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:02:16,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-09 23:02:16,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [460] [2024-11-09 23:02:16,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [795] [2024-11-09 23:02:16,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [899] [2024-11-09 23:02:16,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [908] [2024-11-09 23:02:16,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1220] [2024-11-09 23:02:16,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1439] [2024-11-09 23:02:16,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [2501] [2024-11-09 23:02:16,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2529] [2024-11-09 23:02:16,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2895] [2024-11-09 23:02:16,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2930] [2024-11-09 23:02:16,479 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_spec1_product20.cil.c[17698,17711] [2024-11-09 23:02:16,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:02:16,587 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:02:16,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16 WrapperNode [2024-11-09 23:02:16,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:02:16,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:02:16,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:02:16,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:02:16,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,676 INFO L138 Inliner]: procedures = 128, calls = 197, calls flagged for inlining = 55, calls inlined = 48, statements flattened = 951 [2024-11-09 23:02:16,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:02:16,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:02:16,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:02:16,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:02:16,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,727 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]. [2024-11-09 23:02:16,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,758 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:02:16,790 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:02:16,790 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:02:16,790 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:02:16,795 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (1/1) ... [2024-11-09 23:02:16,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:02:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:02:16,831 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) [2024-11-09 23:02:16,833 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 [2024-11-09 23:02:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 23:02:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 23:02:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-09 23:02:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-09 23:02:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 23:02:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 23:02:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-09 23:02:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-09 23:02:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 23:02:16,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 23:02:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:02:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:02:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 23:02:16,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 23:02:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 23:02:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 23:02:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-09 23:02:16,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-09 23:02:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 23:02:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 23:02:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 23:02:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 23:02:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 23:02:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 23:02:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:02:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 23:02:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 23:02:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 23:02:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 23:02:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 23:02:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 23:02:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 23:02:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 23:02:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 23:02:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 23:02:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-09 23:02:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-09 23:02:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 23:02:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 23:02:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 23:02:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 23:02:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:02:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 23:02:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 23:02:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 23:02:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 23:02:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 23:02:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 23:02:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 23:02:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:02:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:02:17,129 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:02:17,131 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:02:17,257 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2135: #res#1 := ~retValue_acc~32#1; [2024-11-09 23:02:17,257 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2090-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~31#1; [2024-11-09 23:02:17,277 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-1: createEmail_#res#1 := createEmail_~retValue_acc~19#1; [2024-11-09 23:02:17,292 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1587: #res := ~retValue_acc~24; [2024-11-09 23:02:17,313 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L293: #res := ~retValue_acc~6; [2024-11-09 23:02:17,366 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: #res := ~retValue_acc~7; [2024-11-09 23:02:17,400 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L178: #res := ~retValue_acc~3; [2024-11-09 23:02:17,456 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1913: #res := ~retValue_acc~28; [2024-11-09 23:02:17,615 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2043-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~30#1; [2024-11-09 23:02:17,616 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2359-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~35#1; [2024-11-09 23:02:17,616 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1996-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~29#1; [2024-11-09 23:02:17,616 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L760-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~15#1; [2024-11-09 23:02:17,616 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2478-1: getClientId_#res#1 := getClientId_~retValue_acc~37#1; [2024-11-09 23:02:17,921 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2927-1: valid_product_#res#1 := valid_product_~retValue_acc~42#1; [2024-11-09 23:02:17,921 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L717-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~12#1; [2024-11-09 23:02:17,921 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L735-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~14#1; [2024-11-09 23:02:17,921 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2305-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~34#1; [2024-11-09 23:02:17,921 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L726-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~13#1; [2024-11-09 23:02:17,922 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2198-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~33#1; [2024-11-09 23:02:17,928 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L141: #res := ~retValue_acc~2; [2024-11-09 23:02:18,091 INFO L? ?]: Removed 483 outVars from TransFormulas that were not future-live. [2024-11-09 23:02:18,094 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:02:18,121 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:02:18,124 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:02:18,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:02:18 BoogieIcfgContainer [2024-11-09 23:02:18,125 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:02:18,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:02:18,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:02:18,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:02:18,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:02:15" (1/3) ... [2024-11-09 23:02:18,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198975c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:02:18, skipping insertion in model container [2024-11-09 23:02:18,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:02:16" (2/3) ... [2024-11-09 23:02:18,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198975c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:02:18, skipping insertion in model container [2024-11-09 23:02:18,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:02:18" (3/3) ... [2024-11-09 23:02:18,134 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product20.cil.c [2024-11-09 23:02:18,150 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:02:18,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:02:18,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:02:18,229 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;@74158156, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:02:18,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:02:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 298 states have (on average 1.5604026845637584) internal successors, (465), 303 states have internal predecessors, (465), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 23:02:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 23:02:18,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:18,257 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:18,257 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:18,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:18,263 INFO L85 PathProgramCache]: Analyzing trace with hash 620265015, now seen corresponding path program 1 times [2024-11-09 23:02:18,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:18,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117063071] [2024-11-09 23:02:18,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:18,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:02:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:02:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:02:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 23:02:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 23:02:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:02:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 23:02:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:02:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:02:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 23:02:19,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:19,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117063071] [2024-11-09 23:02:19,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117063071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:02:19,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928720201] [2024-11-09 23:02:19,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:19,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:19,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:02:19,067 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) [2024-11-09 23:02:19,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:02:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:19,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 23:02:19,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:02:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:02:19,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:02:19,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928720201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:19,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:02:19,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-09 23:02:19,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444555926] [2024-11-09 23:02:19,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:19,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:02:19,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:19,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:02:19,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:02:19,484 INFO L87 Difference]: Start difference. First operand has 376 states, 298 states have (on average 1.5604026845637584) internal successors, (465), 303 states have internal predecessors, (465), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:19,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:19,565 INFO L93 Difference]: Finished difference Result 548 states and 825 transitions. [2024-11-09 23:02:19,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:02:19,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2024-11-09 23:02:19,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:19,584 INFO L225 Difference]: With dead ends: 548 [2024-11-09 23:02:19,584 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 23:02:19,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:02:19,595 INFO L432 NwaCegarLoop]: 568 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, 568 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 [2024-11-09 23:02:19,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:02:19,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 23:02:19,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-11-09 23:02:19,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 291 states have (on average 1.556701030927835) internal successors, (453), 295 states have internal predecessors, (453), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 23:02:19,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 560 transitions. [2024-11-09 23:02:19,669 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 560 transitions. Word has length 99 [2024-11-09 23:02:19,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:19,670 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 560 transitions. [2024-11-09 23:02:19,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 560 transitions. [2024-11-09 23:02:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 23:02:19,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:19,676 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:19,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:02:19,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 23:02:19,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:19,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2018076669, now seen corresponding path program 1 times [2024-11-09 23:02:19,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:19,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777569939] [2024-11-09 23:02:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:19,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:02:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:02:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:02:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 23:02:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 23:02:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:02:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 23:02:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:02:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:02:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 23:02:20,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:20,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777569939] [2024-11-09 23:02:20,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777569939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:02:20,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108120427] [2024-11-09 23:02:20,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:20,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:20,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:02:20,316 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) [2024-11-09 23:02:20,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:02:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:20,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 23:02:20,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:02:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:02:20,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:02:20,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108120427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:20,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:02:20,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:02:20,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896348050] [2024-11-09 23:02:20,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:20,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:02:20,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:20,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:02:20,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:02:20,690 INFO L87 Difference]: Start difference. First operand 368 states and 560 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:20,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:20,741 INFO L93 Difference]: Finished difference Result 537 states and 802 transitions. [2024-11-09 23:02:20,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:02:20,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 101 [2024-11-09 23:02:20,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:20,748 INFO L225 Difference]: With dead ends: 537 [2024-11-09 23:02:20,748 INFO L226 Difference]: Without dead ends: 371 [2024-11-09 23:02:20,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:02:20,754 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 0 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:20,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:02:20,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-09 23:02:20,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2024-11-09 23:02:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 294 states have (on average 1.5510204081632653) internal successors, (456), 298 states have internal predecessors, (456), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 23:02:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 563 transitions. [2024-11-09 23:02:20,791 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 563 transitions. Word has length 101 [2024-11-09 23:02:20,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:20,792 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 563 transitions. [2024-11-09 23:02:20,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 563 transitions. [2024-11-09 23:02:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 23:02:20,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:20,796 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-09 23:02:20,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 23:02:20,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-09 23:02:20,997 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:20,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:20,997 INFO L85 PathProgramCache]: Analyzing trace with hash 543121949, now seen corresponding path program 1 times [2024-11-09 23:02:20,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:20,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197842342] [2024-11-09 23:02:20,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:20,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:02:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:02:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:02:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 23:02:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:02:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 23:02:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:02:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:02:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:02:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:02:21,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:21,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197842342] [2024-11-09 23:02:21,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197842342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:02:21,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631345382] [2024-11-09 23:02:21,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:21,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:21,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:02:21,287 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) [2024-11-09 23:02:21,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:02:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:21,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:02:21,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:02:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:02:21,607 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:02:21,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631345382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:21,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:02:21,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:02:21,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050030405] [2024-11-09 23:02:21,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:21,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:02:21,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:21,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:02:21,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:02:21,609 INFO L87 Difference]: Start difference. First operand 371 states and 563 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:21,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:21,644 INFO L93 Difference]: Finished difference Result 799 states and 1227 transitions. [2024-11-09 23:02:21,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:02:21,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-11-09 23:02:21,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:21,652 INFO L225 Difference]: With dead ends: 799 [2024-11-09 23:02:21,652 INFO L226 Difference]: Without dead ends: 456 [2024-11-09 23:02:21,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:02:21,656 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 144 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1076 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 [2024-11-09 23:02:21,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1076 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:02:21,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-09 23:02:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 448. [2024-11-09 23:02:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 357 states have (on average 1.5546218487394958) internal successors, (555), 361 states have internal predecessors, (555), 68 states have call successors, (68), 22 states have call predecessors, (68), 22 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-09 23:02:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 690 transitions. [2024-11-09 23:02:21,682 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 690 transitions. Word has length 111 [2024-11-09 23:02:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:21,682 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 690 transitions. [2024-11-09 23:02:21,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 690 transitions. [2024-11-09 23:02:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 23:02:21,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:21,689 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-09 23:02:21,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 23:02:21,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:21,890 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:21,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:21,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2067690805, now seen corresponding path program 1 times [2024-11-09 23:02:21,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:21,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900823095] [2024-11-09 23:02:21,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:21,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:02:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:02:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:02:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 23:02:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:02:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 23:02:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:02:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:02:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:02:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:02:22,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:22,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900823095] [2024-11-09 23:02:22,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900823095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:02:22,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001207158] [2024-11-09 23:02:22,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:22,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:22,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:02:22,099 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) [2024-11-09 23:02:22,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:02:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 23:02:22,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:02:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 23:02:22,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:02:22,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001207158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:22,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:02:22,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-09 23:02:22,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604715799] [2024-11-09 23:02:22,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:22,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:02:22,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:22,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:02:22,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:02:22,469 INFO L87 Difference]: Start difference. First operand 448 states and 690 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:02:22,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:22,536 INFO L93 Difference]: Finished difference Result 887 states and 1370 transitions. [2024-11-09 23:02:22,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:02:22,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2024-11-09 23:02:22,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:22,541 INFO L225 Difference]: With dead ends: 887 [2024-11-09 23:02:22,541 INFO L226 Difference]: Without dead ends: 450 [2024-11-09 23:02:22,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:02:22,544 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 2 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:22,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2197 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:02:22,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-09 23:02:22,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-09 23:02:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 358 states have (on average 1.553072625698324) internal successors, (556), 363 states have internal predecessors, (556), 68 states have call successors, (68), 22 states have call predecessors, (68), 23 states have return successors, (69), 66 states have call predecessors, (69), 67 states have call successors, (69) [2024-11-09 23:02:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 693 transitions. [2024-11-09 23:02:22,576 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 693 transitions. Word has length 112 [2024-11-09 23:02:22,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:22,577 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 693 transitions. [2024-11-09 23:02:22,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:02:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 693 transitions. [2024-11-09 23:02:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 23:02:22,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:22,581 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:02:22,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 23:02:22,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:22,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:22,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:22,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1821249076, now seen corresponding path program 1 times [2024-11-09 23:02:22,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:22,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000508662] [2024-11-09 23:02:22,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:22,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 23:02:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:02:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:22,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:02:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:02:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 23:02:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:02:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:02:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:02:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:02:23,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:23,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000508662] [2024-11-09 23:02:23,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000508662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:02:23,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738054470] [2024-11-09 23:02:23,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:23,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:23,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:02:23,019 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) [2024-11-09 23:02:23,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:02:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:02:23,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:02:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 23:02:23,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:02:23,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738054470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:23,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:02:23,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-09 23:02:23,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806391913] [2024-11-09 23:02:23,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:23,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:02:23,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:23,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:02:23,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:02:23,354 INFO L87 Difference]: Start difference. First operand 450 states and 693 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:02:23,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:23,431 INFO L93 Difference]: Finished difference Result 889 states and 1375 transitions. [2024-11-09 23:02:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:02:23,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 113 [2024-11-09 23:02:23,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:23,437 INFO L225 Difference]: With dead ends: 889 [2024-11-09 23:02:23,437 INFO L226 Difference]: Without dead ends: 452 [2024-11-09 23:02:23,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:02:23,439 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 2 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:23,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2183 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:02:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-09 23:02:23,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-09 23:02:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 359 states have (on average 1.551532033426184) internal successors, (557), 365 states have internal predecessors, (557), 68 states have call successors, (68), 22 states have call predecessors, (68), 24 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-11-09 23:02:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 699 transitions. [2024-11-09 23:02:23,467 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 699 transitions. Word has length 113 [2024-11-09 23:02:23,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:23,469 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 699 transitions. [2024-11-09 23:02:23,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:02:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 699 transitions. [2024-11-09 23:02:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 23:02:23,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:23,471 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:23,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 23:02:23,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:23,672 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:23,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:23,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1296771094, now seen corresponding path program 1 times [2024-11-09 23:02:23,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:23,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756535963] [2024-11-09 23:02:23,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:23,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 23:02:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 23:02:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 23:02:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 23:02:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:02:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:02:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:02:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:02:23,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:23,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756535963] [2024-11-09 23:02:23,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756535963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:23,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:23,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:02:23,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225483557] [2024-11-09 23:02:23,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:23,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:02:23,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:23,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:02:23,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:02:23,872 INFO L87 Difference]: Start difference. First operand 452 states and 699 transitions. Second operand has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:02:25,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:25,860 INFO L93 Difference]: Finished difference Result 993 states and 1561 transitions. [2024-11-09 23:02:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:02:25,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 114 [2024-11-09 23:02:25,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:25,864 INFO L225 Difference]: With dead ends: 993 [2024-11-09 23:02:25,864 INFO L226 Difference]: Without dead ends: 564 [2024-11-09 23:02:25,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:02:25,867 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1178 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 2703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:25,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 1419 Invalid, 2703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 2331 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 23:02:25,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-09 23:02:25,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 452. [2024-11-09 23:02:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 359 states have (on average 1.551532033426184) internal successors, (557), 365 states have internal predecessors, (557), 68 states have call successors, (68), 22 states have call predecessors, (68), 24 states have return successors, (73), 66 states have call predecessors, (73), 67 states have call successors, (73) [2024-11-09 23:02:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 698 transitions. [2024-11-09 23:02:25,903 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 698 transitions. Word has length 114 [2024-11-09 23:02:25,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:25,904 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 698 transitions. [2024-11-09 23:02:25,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:02:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 698 transitions. [2024-11-09 23:02:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 23:02:25,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:25,907 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:02:25,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:02:25,907 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:25,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:25,908 INFO L85 PathProgramCache]: Analyzing trace with hash 685416327, now seen corresponding path program 2 times [2024-11-09 23:02:25,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:25,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563640139] [2024-11-09 23:02:25,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:25,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 23:02:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:02:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 23:02:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:02:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:02:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:02:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:02:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:02:26,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:26,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563640139] [2024-11-09 23:02:26,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563640139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:26,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:26,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:02:26,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596155490] [2024-11-09 23:02:26,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:26,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:02:26,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:26,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:02:26,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:02:26,132 INFO L87 Difference]: Start difference. First operand 452 states and 698 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:02:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:28,056 INFO L93 Difference]: Finished difference Result 995 states and 1564 transitions. [2024-11-09 23:02:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:02:28,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 115 [2024-11-09 23:02:28,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:28,060 INFO L225 Difference]: With dead ends: 995 [2024-11-09 23:02:28,064 INFO L226 Difference]: Without dead ends: 566 [2024-11-09 23:02:28,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:02:28,066 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1178 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 2327 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 2701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 2327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:28,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 1418 Invalid, 2701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 2327 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 23:02:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-09 23:02:28,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 454. [2024-11-09 23:02:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 360 states have (on average 1.55) internal successors, (558), 367 states have internal predecessors, (558), 68 states have call successors, (68), 22 states have call predecessors, (68), 25 states have return successors, (75), 66 states have call predecessors, (75), 67 states have call successors, (75) [2024-11-09 23:02:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 701 transitions. [2024-11-09 23:02:28,102 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 701 transitions. Word has length 115 [2024-11-09 23:02:28,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:28,102 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 701 transitions. [2024-11-09 23:02:28,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 23:02:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 701 transitions. [2024-11-09 23:02:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 23:02:28,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:28,105 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:02:28,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:02:28,105 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:28,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:28,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1804696217, now seen corresponding path program 1 times [2024-11-09 23:02:28,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:28,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464866005] [2024-11-09 23:02:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:28,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:02:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 23:02:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:02:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:02:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:02:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:02:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:02:28,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:28,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464866005] [2024-11-09 23:02:28,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464866005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:28,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:28,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:02:28,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225625150] [2024-11-09 23:02:28,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:28,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:02:28,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:28,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:02:28,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:02:28,348 INFO L87 Difference]: Start difference. First operand 454 states and 701 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:02:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:30,967 INFO L93 Difference]: Finished difference Result 993 states and 1559 transitions. [2024-11-09 23:02:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:02:30,968 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 116 [2024-11-09 23:02:30,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:30,972 INFO L225 Difference]: With dead ends: 993 [2024-11-09 23:02:30,972 INFO L226 Difference]: Without dead ends: 566 [2024-11-09 23:02:30,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:02:30,974 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1178 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 3939 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 3939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:30,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 1966 Invalid, 4294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 3939 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 23:02:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-09 23:02:31,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 454. [2024-11-09 23:02:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 360 states have (on average 1.55) internal successors, (558), 367 states have internal predecessors, (558), 68 states have call successors, (68), 22 states have call predecessors, (68), 25 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-11-09 23:02:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 700 transitions. [2024-11-09 23:02:31,041 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 700 transitions. Word has length 116 [2024-11-09 23:02:31,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:31,041 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 700 transitions. [2024-11-09 23:02:31,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:02:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 700 transitions. [2024-11-09 23:02:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 23:02:31,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:31,044 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:02:31,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:02:31,045 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:31,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1149452859, now seen corresponding path program 2 times [2024-11-09 23:02:31,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:31,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657278905] [2024-11-09 23:02:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:31,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:02:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 23:02:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:02:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:02:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:02:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:02:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:02:31,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:31,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657278905] [2024-11-09 23:02:31,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657278905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:31,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:31,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:02:31,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424259000] [2024-11-09 23:02:31,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:31,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:02:31,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:31,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:02:31,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:02:31,305 INFO L87 Difference]: Start difference. First operand 454 states and 700 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:02:33,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:33,684 INFO L93 Difference]: Finished difference Result 995 states and 1565 transitions. [2024-11-09 23:02:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:02:33,685 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 117 [2024-11-09 23:02:33,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:33,690 INFO L225 Difference]: With dead ends: 995 [2024-11-09 23:02:33,690 INFO L226 Difference]: Without dead ends: 568 [2024-11-09 23:02:33,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:02:33,693 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1177 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 3888 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 4262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 3888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:33,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 1965 Invalid, 4262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 3888 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 23:02:33,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-09 23:02:33,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 456. [2024-11-09 23:02:33,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 361 states have (on average 1.548476454293629) internal successors, (559), 369 states have internal predecessors, (559), 68 states have call successors, (68), 22 states have call predecessors, (68), 26 states have return successors, (79), 66 states have call predecessors, (79), 67 states have call successors, (79) [2024-11-09 23:02:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 706 transitions. [2024-11-09 23:02:33,725 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 706 transitions. Word has length 117 [2024-11-09 23:02:33,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:33,725 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 706 transitions. [2024-11-09 23:02:33,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 23:02:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 706 transitions. [2024-11-09 23:02:33,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 23:02:33,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:33,727 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:33,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:02:33,728 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:33,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:33,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1243267972, now seen corresponding path program 1 times [2024-11-09 23:02:33,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:33,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734412309] [2024-11-09 23:02:33,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:33,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:02:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 23:02:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:02:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:02:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:02:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:02:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 23:02:33,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734412309] [2024-11-09 23:02:33,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734412309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:02:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398934375] [2024-11-09 23:02:33,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:33,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:33,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:02:33,995 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) [2024-11-09 23:02:33,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 23:02:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:34,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:02:34,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:02:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:34,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:02:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:34,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398934375] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:02:34,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:02:34,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-09 23:02:34,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181553991] [2024-11-09 23:02:34,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:02:34,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 23:02:34,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:34,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 23:02:34,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:02:34,424 INFO L87 Difference]: Start difference. First operand 456 states and 706 transitions. Second operand has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 23:02:36,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:36,890 INFO L93 Difference]: Finished difference Result 1485 states and 2412 transitions. [2024-11-09 23:02:36,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:02:36,891 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 118 [2024-11-09 23:02:36,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:36,899 INFO L225 Difference]: With dead ends: 1485 [2024-11-09 23:02:36,899 INFO L226 Difference]: Without dead ends: 1061 [2024-11-09 23:02:36,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-09 23:02:36,902 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 2557 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 3857 mSolverCounterSat, 728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2577 SdHoareTripleChecker+Valid, 2264 SdHoareTripleChecker+Invalid, 4585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 3857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:36,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 2264 Invalid, 4585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [728 Valid, 3857 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 23:02:36,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2024-11-09 23:02:36,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 925. [2024-11-09 23:02:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 751 states have (on average 1.565912117177097) internal successors, (1176), 759 states have internal predecessors, (1176), 147 states have call successors, (147), 22 states have call predecessors, (147), 26 states have return successors, (168), 145 states have call predecessors, (168), 146 states have call successors, (168) [2024-11-09 23:02:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1491 transitions. [2024-11-09 23:02:36,951 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1491 transitions. Word has length 118 [2024-11-09 23:02:36,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:36,951 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1491 transitions. [2024-11-09 23:02:36,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 23:02:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1491 transitions. [2024-11-09 23:02:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 23:02:36,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:36,956 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:36,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 23:02:37,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:02:37,157 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:37,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:37,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1653986008, now seen corresponding path program 1 times [2024-11-09 23:02:37,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:37,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327042830] [2024-11-09 23:02:37,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:37,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:02:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:02:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:02:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:02:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:02:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:02:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:37,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:37,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327042830] [2024-11-09 23:02:37,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327042830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:37,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:37,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:37,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128882904] [2024-11-09 23:02:37,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:37,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:37,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:37,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:37,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:37,269 INFO L87 Difference]: Start difference. First operand 925 states and 1491 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:38,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:38,507 INFO L93 Difference]: Finished difference Result 2332 states and 3843 transitions. [2024-11-09 23:02:38,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:38,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 129 [2024-11-09 23:02:38,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:38,517 INFO L225 Difference]: With dead ends: 2332 [2024-11-09 23:02:38,517 INFO L226 Difference]: Without dead ends: 1487 [2024-11-09 23:02:38,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:38,521 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 1317 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:38,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 1076 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:02:38,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2024-11-09 23:02:38,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1367. [2024-11-09 23:02:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1114 states have (on average 1.5691202872531418) internal successors, (1748), 1122 states have internal predecessors, (1748), 226 states have call successors, (226), 22 states have call predecessors, (226), 26 states have return successors, (257), 224 states have call predecessors, (257), 225 states have call successors, (257) [2024-11-09 23:02:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 2231 transitions. [2024-11-09 23:02:38,585 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 2231 transitions. Word has length 129 [2024-11-09 23:02:38,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:38,585 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 2231 transitions. [2024-11-09 23:02:38,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:38,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 2231 transitions. [2024-11-09 23:02:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 23:02:38,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:38,592 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:38,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:02:38,592 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:38,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:38,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1141111182, now seen corresponding path program 1 times [2024-11-09 23:02:38,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:38,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377818806] [2024-11-09 23:02:38,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:38,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:02:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:02:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:02:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:02:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:02:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:02:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:38,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:38,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377818806] [2024-11-09 23:02:38,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377818806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:38,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:38,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:38,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860005388] [2024-11-09 23:02:38,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:38,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:38,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:38,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:38,702 INFO L87 Difference]: Start difference. First operand 1367 states and 2231 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:40,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:40,182 INFO L93 Difference]: Finished difference Result 3436 states and 5682 transitions. [2024-11-09 23:02:40,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:40,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2024-11-09 23:02:40,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:40,196 INFO L225 Difference]: With dead ends: 3436 [2024-11-09 23:02:40,196 INFO L226 Difference]: Without dead ends: 2208 [2024-11-09 23:02:40,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:40,202 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1311 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:40,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 1039 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 23:02:40,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2024-11-09 23:02:40,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2088. [2024-11-09 23:02:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 1716 states have (on average 1.5675990675990676) internal successors, (2690), 1724 states have internal predecessors, (2690), 345 states have call successors, (345), 22 states have call predecessors, (345), 26 states have return successors, (376), 343 states have call predecessors, (376), 344 states have call successors, (376) [2024-11-09 23:02:40,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 3411 transitions. [2024-11-09 23:02:40,313 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 3411 transitions. Word has length 130 [2024-11-09 23:02:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:40,314 INFO L471 AbstractCegarLoop]: Abstraction has 2088 states and 3411 transitions. [2024-11-09 23:02:40,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 3411 transitions. [2024-11-09 23:02:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 23:02:40,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:40,323 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:40,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:02:40,324 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:40,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:40,324 INFO L85 PathProgramCache]: Analyzing trace with hash -141324136, now seen corresponding path program 1 times [2024-11-09 23:02:40,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:40,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369392788] [2024-11-09 23:02:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:40,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:02:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:02:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:02:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:02:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:02:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:02:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:40,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:40,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369392788] [2024-11-09 23:02:40,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369392788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:40,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:40,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:40,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542763832] [2024-11-09 23:02:40,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:40,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:40,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:40,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:40,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:40,430 INFO L87 Difference]: Start difference. First operand 2088 states and 3411 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:41,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:41,797 INFO L93 Difference]: Finished difference Result 5123 states and 8500 transitions. [2024-11-09 23:02:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:41,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2024-11-09 23:02:41,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:41,817 INFO L225 Difference]: With dead ends: 5123 [2024-11-09 23:02:41,817 INFO L226 Difference]: Without dead ends: 3323 [2024-11-09 23:02:41,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:41,825 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1309 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:41,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 1034 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:02:41,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2024-11-09 23:02:41,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3203. [2024-11-09 23:02:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 2669 states have (on average 1.5665043087298614) internal successors, (4181), 2677 states have internal predecessors, (4181), 507 states have call successors, (507), 22 states have call predecessors, (507), 26 states have return successors, (554), 505 states have call predecessors, (554), 506 states have call successors, (554) [2024-11-09 23:02:41,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 5242 transitions. [2024-11-09 23:02:41,972 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 5242 transitions. Word has length 131 [2024-11-09 23:02:41,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:41,972 INFO L471 AbstractCegarLoop]: Abstraction has 3203 states and 5242 transitions. [2024-11-09 23:02:41,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:41,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 5242 transitions. [2024-11-09 23:02:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 23:02:41,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:41,986 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:41,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:02:41,986 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:41,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:41,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1354954094, now seen corresponding path program 1 times [2024-11-09 23:02:41,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:41,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640249103] [2024-11-09 23:02:41,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:41,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:02:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:02:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:02:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:02:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:02:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:02:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:42,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:42,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640249103] [2024-11-09 23:02:42,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640249103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:42,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:42,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:42,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254584456] [2024-11-09 23:02:42,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:42,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:42,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:42,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:42,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:42,093 INFO L87 Difference]: Start difference. First operand 3203 states and 5242 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:43,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:43,440 INFO L93 Difference]: Finished difference Result 7804 states and 12977 transitions. [2024-11-09 23:02:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:43,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2024-11-09 23:02:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:43,469 INFO L225 Difference]: With dead ends: 7804 [2024-11-09 23:02:43,469 INFO L226 Difference]: Without dead ends: 5134 [2024-11-09 23:02:43,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:43,479 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1306 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:43,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 1035 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:02:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5134 states. [2024-11-09 23:02:43,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5134 to 5014. [2024-11-09 23:02:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5014 states, 4235 states have (on average 1.5650531286894924) internal successors, (6628), 4243 states have internal predecessors, (6628), 752 states have call successors, (752), 22 states have call predecessors, (752), 26 states have return successors, (825), 750 states have call predecessors, (825), 751 states have call successors, (825) [2024-11-09 23:02:43,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5014 states to 5014 states and 8205 transitions. [2024-11-09 23:02:43,702 INFO L78 Accepts]: Start accepts. Automaton has 5014 states and 8205 transitions. Word has length 132 [2024-11-09 23:02:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:43,702 INFO L471 AbstractCegarLoop]: Abstraction has 5014 states and 8205 transitions. [2024-11-09 23:02:43,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 5014 states and 8205 transitions. [2024-11-09 23:02:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 23:02:43,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:43,718 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:43,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:02:43,719 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:43,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:43,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1480330744, now seen corresponding path program 1 times [2024-11-09 23:02:43,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:43,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277838580] [2024-11-09 23:02:43,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:43,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:02:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:02:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:02:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:02:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:02:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:02:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:43,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:43,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277838580] [2024-11-09 23:02:43,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277838580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:43,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:43,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:43,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026722873] [2024-11-09 23:02:43,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:43,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:43,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:43,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:43,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:43,850 INFO L87 Difference]: Start difference. First operand 5014 states and 8205 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:45,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:45,157 INFO L93 Difference]: Finished difference Result 12570 states and 20901 transitions. [2024-11-09 23:02:45,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:45,158 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 133 [2024-11-09 23:02:45,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:45,198 INFO L225 Difference]: With dead ends: 12570 [2024-11-09 23:02:45,198 INFO L226 Difference]: Without dead ends: 8383 [2024-11-09 23:02:45,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:45,215 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1303 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:45,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 1052 Invalid, 1749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:02:45,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8383 states. [2024-11-09 23:02:45,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8383 to 8263. [2024-11-09 23:02:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8263 states, 6991 states have (on average 1.5581461879559433) internal successors, (10893), 6999 states have internal predecessors, (10893), 1245 states have call successors, (1245), 22 states have call predecessors, (1245), 26 states have return successors, (1362), 1243 states have call predecessors, (1362), 1244 states have call successors, (1362) [2024-11-09 23:02:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8263 states to 8263 states and 13500 transitions. [2024-11-09 23:02:45,636 INFO L78 Accepts]: Start accepts. Automaton has 8263 states and 13500 transitions. Word has length 133 [2024-11-09 23:02:45,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:45,637 INFO L471 AbstractCegarLoop]: Abstraction has 8263 states and 13500 transitions. [2024-11-09 23:02:45,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 8263 states and 13500 transitions. [2024-11-09 23:02:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 23:02:45,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:45,654 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:45,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:02:45,655 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:45,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:45,655 INFO L85 PathProgramCache]: Analyzing trace with hash 237345294, now seen corresponding path program 1 times [2024-11-09 23:02:45,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:45,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48100584] [2024-11-09 23:02:45,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:45,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:02:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:02:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:02:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:02:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:02:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 23:02:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:45,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:45,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48100584] [2024-11-09 23:02:45,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48100584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:45,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:45,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:45,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113382775] [2024-11-09 23:02:45,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:45,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:45,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:45,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:45,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:45,775 INFO L87 Difference]: Start difference. First operand 8263 states and 13500 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:47,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:47,269 INFO L93 Difference]: Finished difference Result 21076 states and 34951 transitions. [2024-11-09 23:02:47,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:47,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 134 [2024-11-09 23:02:47,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:47,343 INFO L225 Difference]: With dead ends: 21076 [2024-11-09 23:02:47,343 INFO L226 Difference]: Without dead ends: 14104 [2024-11-09 23:02:47,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:47,370 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1300 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:47,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 1042 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:02:47,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14104 states. [2024-11-09 23:02:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14104 to 13984. [2024-11-09 23:02:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13984 states, 11890 states have (on average 1.5547518923465096) internal successors, (18486), 11898 states have internal predecessors, (18486), 2067 states have call successors, (2067), 22 states have call predecessors, (2067), 26 states have return successors, (2262), 2065 states have call predecessors, (2262), 2066 states have call successors, (2262) [2024-11-09 23:02:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13984 states to 13984 states and 22815 transitions. [2024-11-09 23:02:47,961 INFO L78 Accepts]: Start accepts. Automaton has 13984 states and 22815 transitions. Word has length 134 [2024-11-09 23:02:47,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:47,961 INFO L471 AbstractCegarLoop]: Abstraction has 13984 states and 22815 transitions. [2024-11-09 23:02:47,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 13984 states and 22815 transitions. [2024-11-09 23:02:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 23:02:47,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:47,983 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:47,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:02:47,984 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:47,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:47,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1397178440, now seen corresponding path program 1 times [2024-11-09 23:02:47,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:47,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926693657] [2024-11-09 23:02:47,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:47,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:02:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:02:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:02:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:02:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:02:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:02:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:48,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:48,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926693657] [2024-11-09 23:02:48,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926693657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:48,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:48,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:48,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895197461] [2024-11-09 23:02:48,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:48,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:48,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:48,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:48,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:48,086 INFO L87 Difference]: Start difference. First operand 13984 states and 22815 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:49,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:49,723 INFO L93 Difference]: Finished difference Result 34089 states and 55866 transitions. [2024-11-09 23:02:49,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:49,724 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 135 [2024-11-09 23:02:49,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:49,813 INFO L225 Difference]: With dead ends: 34089 [2024-11-09 23:02:49,813 INFO L226 Difference]: Without dead ends: 22456 [2024-11-09 23:02:49,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:49,856 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1297 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 1729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:49,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 1016 Invalid, 1729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:02:49,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22456 states. [2024-11-09 23:02:50,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22456 to 22336. [2024-11-09 23:02:50,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22336 states, 19039 states have (on average 1.5208256736173118) internal successors, (28955), 19047 states have internal predecessors, (28955), 3270 states have call successors, (3270), 22 states have call predecessors, (3270), 26 states have return successors, (3609), 3268 states have call predecessors, (3609), 3269 states have call successors, (3609) [2024-11-09 23:02:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22336 states to 22336 states and 35834 transitions. [2024-11-09 23:02:50,707 INFO L78 Accepts]: Start accepts. Automaton has 22336 states and 35834 transitions. Word has length 135 [2024-11-09 23:02:50,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:50,708 INFO L471 AbstractCegarLoop]: Abstraction has 22336 states and 35834 transitions. [2024-11-09 23:02:50,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 22336 states and 35834 transitions. [2024-11-09 23:02:50,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 23:02:50,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:50,733 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:50,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:02:50,733 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:50,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash -633137490, now seen corresponding path program 1 times [2024-11-09 23:02:50,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:50,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449299533] [2024-11-09 23:02:50,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:50,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:02:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:02:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:02:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:02:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:02:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:02:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:50,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:50,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449299533] [2024-11-09 23:02:50,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449299533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:50,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:50,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:50,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409695679] [2024-11-09 23:02:50,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:50,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:50,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:50,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:50,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:50,843 INFO L87 Difference]: Start difference. First operand 22336 states and 35834 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:52,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:52,834 INFO L93 Difference]: Finished difference Result 59503 states and 96766 transitions. [2024-11-09 23:02:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:52,835 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2024-11-09 23:02:52,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:53,022 INFO L225 Difference]: With dead ends: 59503 [2024-11-09 23:02:53,023 INFO L226 Difference]: Without dead ends: 40274 [2024-11-09 23:02:53,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:53,095 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1295 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:53,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 1035 Invalid, 1730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:02:53,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40274 states. [2024-11-09 23:02:54,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40274 to 40154. [2024-11-09 23:02:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40154 states, 34407 states have (on average 1.514749905542477) internal successors, (52118), 34415 states have internal predecessors, (52118), 5720 states have call successors, (5720), 22 states have call predecessors, (5720), 26 states have return successors, (6333), 5718 states have call predecessors, (6333), 5719 states have call successors, (6333) [2024-11-09 23:02:54,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40154 states to 40154 states and 64171 transitions. [2024-11-09 23:02:54,687 INFO L78 Accepts]: Start accepts. Automaton has 40154 states and 64171 transitions. Word has length 136 [2024-11-09 23:02:54,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:02:54,687 INFO L471 AbstractCegarLoop]: Abstraction has 40154 states and 64171 transitions. [2024-11-09 23:02:54,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 40154 states and 64171 transitions. [2024-11-09 23:02:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 23:02:54,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:02:54,711 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:02:54,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:02:54,712 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:02:54,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:02:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1488983656, now seen corresponding path program 1 times [2024-11-09 23:02:54,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:02:54,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668853885] [2024-11-09 23:02:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:02:54,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:02:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:02:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:02:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:02:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:02:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:02:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:02:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:02:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:02:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:02:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:02:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:02:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:02:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:02:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:02:54,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:02:54,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668853885] [2024-11-09 23:02:54,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668853885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:02:54,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:02:54,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:02:54,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726850650] [2024-11-09 23:02:54,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:02:54,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:02:54,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:02:54,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:02:54,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:02:54,824 INFO L87 Difference]: Start difference. First operand 40154 states and 64171 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:02:57,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:02:57,731 INFO L93 Difference]: Finished difference Result 110202 states and 177992 transitions. [2024-11-09 23:02:57,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:02:57,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 137 [2024-11-09 23:02:57,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:02:58,024 INFO L225 Difference]: With dead ends: 110202 [2024-11-09 23:02:58,024 INFO L226 Difference]: Without dead ends: 74217 [2024-11-09 23:02:58,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:02:58,328 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1292 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:02:58,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 1072 Invalid, 1748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:02:58,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74217 states. [2024-11-09 23:03:00,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74217 to 74097. [2024-11-09 23:03:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74097 states, 63837 states have (on average 1.508200573335213) internal successors, (96279), 63845 states have internal predecessors, (96279), 10233 states have call successors, (10233), 22 states have call predecessors, (10233), 26 states have return successors, (11378), 10231 states have call predecessors, (11378), 10232 states have call successors, (11378) [2024-11-09 23:03:00,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74097 states to 74097 states and 117890 transitions. [2024-11-09 23:03:00,722 INFO L78 Accepts]: Start accepts. Automaton has 74097 states and 117890 transitions. Word has length 137 [2024-11-09 23:03:00,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:00,723 INFO L471 AbstractCegarLoop]: Abstraction has 74097 states and 117890 transitions. [2024-11-09 23:03:00,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:03:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 74097 states and 117890 transitions. [2024-11-09 23:03:00,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 23:03:00,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:00,749 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:03:00,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:03:00,750 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:00,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash -52385042, now seen corresponding path program 1 times [2024-11-09 23:03:00,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:00,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613114530] [2024-11-09 23:03:00,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:00,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:03:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:03:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:03:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:03:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:03:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:03:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:03:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:03:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:03:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:03:01,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:01,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613114530] [2024-11-09 23:03:01,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613114530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:01,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:03:01,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:03:01,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46913627] [2024-11-09 23:03:01,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:01,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:03:01,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:01,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:03:01,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:03:01,346 INFO L87 Difference]: Start difference. First operand 74097 states and 117890 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:03:04,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:04,847 INFO L93 Difference]: Finished difference Result 139671 states and 225462 transitions. [2024-11-09 23:03:04,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:03:04,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2024-11-09 23:03:04,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:05,289 INFO L225 Difference]: With dead ends: 139671 [2024-11-09 23:03:05,289 INFO L226 Difference]: Without dead ends: 139505 [2024-11-09 23:03:05,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:03:05,328 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1285 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:03:05,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 1045 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 23:03:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139505 states. [2024-11-09 23:03:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139505 to 139385. [2024-11-09 23:03:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139385 states, 120757 states have (on average 1.5010475583196006) internal successors, (181262), 120765 states have internal predecessors, (181262), 18601 states have call successors, (18601), 22 states have call predecessors, (18601), 26 states have return successors, (20792), 18599 states have call predecessors, (20792), 18600 states have call successors, (20792) [2024-11-09 23:03:10,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139385 states to 139385 states and 220655 transitions. [2024-11-09 23:03:10,331 INFO L78 Accepts]: Start accepts. Automaton has 139385 states and 220655 transitions. Word has length 138 [2024-11-09 23:03:10,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:10,332 INFO L471 AbstractCegarLoop]: Abstraction has 139385 states and 220655 transitions. [2024-11-09 23:03:10,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 23:03:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 139385 states and 220655 transitions. [2024-11-09 23:03:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 23:03:10,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:10,358 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 23:03:10,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:03:10,358 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:10,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:10,359 INFO L85 PathProgramCache]: Analyzing trace with hash 257288056, now seen corresponding path program 1 times [2024-11-09 23:03:10,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:10,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723785078] [2024-11-09 23:03:10,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:10,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:03:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:03:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:03:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:03:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:03:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:03:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:03:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:03:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:03:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:03:10,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:10,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723785078] [2024-11-09 23:03:10,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723785078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:10,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:03:10,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 23:03:10,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931240200] [2024-11-09 23:03:10,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:10,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 23:03:10,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:10,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 23:03:10,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-09 23:03:10,776 INFO L87 Difference]: Start difference. First operand 139385 states and 220655 transitions. Second operand has 16 states, 15 states have (on average 6.6) internal successors, (99), 10 states have internal predecessors, (99), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-09 23:03:20,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:20,889 INFO L93 Difference]: Finished difference Result 277921 states and 452058 transitions. [2024-11-09 23:03:20,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-09 23:03:20,889 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.6) internal successors, (99), 10 states have internal predecessors, (99), 5 states have call successors, (15), 7 states have call predecessors, (15), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 139 [2024-11-09 23:03:20,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:22,538 INFO L225 Difference]: With dead ends: 277921 [2024-11-09 23:03:22,538 INFO L226 Difference]: Without dead ends: 277761 [2024-11-09 23:03:22,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=715, Invalid=2825, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 23:03:22,639 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 4294 mSDsluCounter, 2897 mSDsCounter, 0 mSdLazyCounter, 7116 mSolverCounterSat, 1321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4294 SdHoareTripleChecker+Valid, 3172 SdHoareTripleChecker+Invalid, 8437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1321 IncrementalHoareTripleChecker+Valid, 7116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:03:22,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4294 Valid, 3172 Invalid, 8437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1321 Valid, 7116 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 23:03:22,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277761 states.