./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_spec4_product35.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 0684811b66680ff9a661ea21879b3502eab6dd1ae141cb77fa167c05dd5b0ff9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:44:20,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:44:20,727 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:44:20,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:44:20,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:44:20,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:44:20,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:44:20,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:44:20,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:44:20,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:44:20,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:44:20,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:44:20,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:44:20,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:44:20,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:44:20,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:44:20,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:44:20,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:44:20,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:44:20,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:44:20,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:44:20,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:44:20,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:44:20,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:44:20,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:44:20,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:44:20,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:44:20,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:44:20,761 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:44:20,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:44:20,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:44:20,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:44:20,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:44:20,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:44:20,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:44:20,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:44:20,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:44:20,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:44:20,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:44:20,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:44:20,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:44:20,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:44:20,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0684811b66680ff9a661ea21879b3502eab6dd1ae141cb77fa167c05dd5b0ff9 [2024-11-16 07:44:21,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:44:21,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:44:21,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:44:21,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:44:21,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:44:21,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product35.cil.c [2024-11-16 07:44:22,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:44:22,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:44:22,671 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product35.cil.c [2024-11-16 07:44:22,707 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e15faaa46/2a226b63a7d64ae59b6bcda0a4cfc2ef/FLAGc1d06f186 [2024-11-16 07:44:22,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e15faaa46/2a226b63a7d64ae59b6bcda0a4cfc2ef [2024-11-16 07:44:22,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:44:22,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:44:22,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:44:22,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:44:22,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:44:22,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:44:22" (1/1) ... [2024-11-16 07:44:22,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3556d927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:22, skipping insertion in model container [2024-11-16 07:44:22,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:44:22" (1/1) ... [2024-11-16 07:44:23,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:44:23,213 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_spec4_product35.cil.c[1542,1555] [2024-11-16 07:44:23,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:44:23,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:44:23,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-16 07:44:23,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57] [2024-11-16 07:44:23,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [75] [2024-11-16 07:44:23,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [487] [2024-11-16 07:44:23,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [536] [2024-11-16 07:44:23,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1616] [2024-11-16 07:44:23,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1754] [2024-11-16 07:44:23,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1987] [2024-11-16 07:44:23,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2353] [2024-11-16 07:44:23,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2658] [2024-11-16 07:44:23,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [3092] [2024-11-16 07:44:23,499 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_spec4_product35.cil.c[1542,1555] [2024-11-16 07:44:23,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:44:23,617 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:44:23,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23 WrapperNode [2024-11-16 07:44:23,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:44:23,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:44:23,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:44:23,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:44:23,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,704 INFO L138 Inliner]: procedures = 137, calls = 227, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1152 [2024-11-16 07:44:23,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:44:23,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:44:23,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:44:23,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:44:23,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,746 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]. [2024-11-16 07:44:23,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,761 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:44:23,790 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:44:23,790 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:44:23,790 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:44:23,790 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (1/1) ... [2024-11-16 07:44:23,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:44:23,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:44:23,835 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) [2024-11-16 07:44:23,842 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 [2024-11-16 07:44:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-16 07:44:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-16 07:44:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-16 07:44:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-16 07:44:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-16 07:44:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-16 07:44:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-16 07:44:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-16 07:44:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-16 07:44:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-16 07:44:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-16 07:44:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-16 07:44:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-16 07:44:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-16 07:44:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-16 07:44:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-16 07:44:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-16 07:44:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-16 07:44:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-16 07:44:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-16 07:44:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-16 07:44:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-16 07:44:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-16 07:44:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-16 07:44:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-16 07:44:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-16 07:44:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-16 07:44:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-16 07:44:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-16 07:44:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-16 07:44:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-16 07:44:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-16 07:44:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:44:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-16 07:44:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-16 07:44:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-16 07:44:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-16 07:44:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-16 07:44:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-16 07:44:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-16 07:44:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-16 07:44:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-16 07:44:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-16 07:44:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-16 07:44:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-16 07:44:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-16 07:44:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-16 07:44:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-16 07:44:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-16 07:44:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-16 07:44:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 07:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-16 07:44:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-16 07:44:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-16 07:44:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-16 07:44:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:44:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:44:24,087 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:44:24,089 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:44:24,202 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L394: #res := ~retValue_acc~9; [2024-11-16 07:44:24,214 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2976: #res := ~retValue_acc~43; [2024-11-16 07:44:24,241 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1205-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~24#1; [2024-11-16 07:44:24,242 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1250: #res#1 := ~retValue_acc~25#1; [2024-11-16 07:44:24,262 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1474: #res := ~retValue_acc~28; [2024-11-16 07:44:24,270 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1158: #res := ~retValue_acc~23; [2024-11-16 07:44:24,278 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1751-1: createEmail_#res#1 := createEmail_~retValue_acc~34#1; [2024-11-16 07:44:24,287 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L702: #res := ~retValue_acc~17; [2024-11-16 07:44:24,298 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L320: #res := ~retValue_acc~7; [2024-11-16 07:44:24,354 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L357: #res := ~retValue_acc~8; [2024-11-16 07:44:24,364 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L431: #res := ~retValue_acc~10; [2024-11-16 07:44:24,398 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: #res := ~retValue_acc~4; [2024-11-16 07:44:24,469 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028: #res := ~retValue_acc~21; [2024-11-16 07:44:24,620 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1111-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~22#1; [2024-11-16 07:44:24,620 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-1: isVerified_#res#1 := isVerified_~retValue_acc~11#1; [2024-11-16 07:44:24,620 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L131-1: getEmailId_#res#1 := getEmailId_~retValue_acc~2#1; [2024-11-16 07:44:24,620 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1593-1: getClientId_#res#1 := getClientId_~retValue_acc~30#1; [2024-11-16 07:44:24,620 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1546-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~29#1; [2024-11-16 07:44:24,895 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2942-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~41#1; [2024-11-16 07:44:24,896 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2024-11-16 07:44:24,896 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1313-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~26#1; [2024-11-16 07:44:24,896 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2933-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~40#1; [2024-11-16 07:44:24,896 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2951-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~42#1; [2024-11-16 07:44:24,896 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1420-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~27#1; [2024-11-16 07:44:24,900 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: #res := ~retValue_acc~3; [2024-11-16 07:44:24,907 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1727: #res#1 := ~retValue_acc~32#1; [2024-11-16 07:44:24,907 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1707-1: isReadable__wrappee__Keys_#res#1 := isReadable__wrappee__Keys_~retValue_acc~31#1; [2024-11-16 07:44:25,137 INFO L? ?]: Removed 608 outVars from TransFormulas that were not future-live. [2024-11-16 07:44:25,137 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:44:25,153 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:44:25,153 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:44:25,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:44:25 BoogieIcfgContainer [2024-11-16 07:44:25,154 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:44:25,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:44:25,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:44:25,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:44:25,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:44:22" (1/3) ... [2024-11-16 07:44:25,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385933eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:44:25, skipping insertion in model container [2024-11-16 07:44:25,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:23" (2/3) ... [2024-11-16 07:44:25,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385933eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:44:25, skipping insertion in model container [2024-11-16 07:44:25,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:44:25" (3/3) ... [2024-11-16 07:44:25,160 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product35.cil.c [2024-11-16 07:44:25,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:44:25,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:44:25,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:44:25,229 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;@763c8418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:44:25,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:44:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 479 states, 373 states have (on average 1.517426273458445) internal successors, (566), 378 states have internal predecessors, (566), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-16 07:44:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 07:44:25,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:25,251 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:25,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:25,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:25,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1755488602, now seen corresponding path program 1 times [2024-11-16 07:44:25,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:25,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395473274] [2024-11-16 07:44:25,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:25,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:44:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:44:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:44:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 07:44:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 07:44:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:44:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:44:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 07:44:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:44:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:44:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:44:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:44:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:44:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:44:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:44:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:25,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:25,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395473274] [2024-11-16 07:44:25,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395473274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:44:25,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419354140] [2024-11-16 07:44:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:25,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:44:25,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:44:25,916 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) [2024-11-16 07:44:25,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 07:44:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 07:44:26,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:44:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-16 07:44:26,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:44:26,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419354140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:26,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:44:26,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-16 07:44:26,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871378837] [2024-11-16 07:44:26,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:26,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:44:26,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:26,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:44:26,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:44:26,240 INFO L87 Difference]: Start difference. First operand has 479 states, 373 states have (on average 1.517426273458445) internal successors, (566), 378 states have internal predecessors, (566), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:26,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:26,289 INFO L93 Difference]: Finished difference Result 748 states and 1102 transitions. [2024-11-16 07:44:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:44:26,291 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2024-11-16 07:44:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:26,302 INFO L225 Difference]: With dead ends: 748 [2024-11-16 07:44:26,303 INFO L226 Difference]: Without dead ends: 471 [2024-11-16 07:44:26,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:44:26,310 INFO L432 NwaCegarLoop]: 711 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, 711 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 [2024-11-16 07:44:26,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:44:26,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-16 07:44:26,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2024-11-16 07:44:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 366 states have (on average 1.5136612021857923) internal successors, (554), 370 states have internal predecessors, (554), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-16 07:44:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 703 transitions. [2024-11-16 07:44:26,364 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 703 transitions. Word has length 136 [2024-11-16 07:44:26,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:26,365 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 703 transitions. [2024-11-16 07:44:26,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 703 transitions. [2024-11-16 07:44:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-16 07:44:26,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:26,369 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:26,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 07:44:26,569 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 [2024-11-16 07:44:26,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:26,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:26,571 INFO L85 PathProgramCache]: Analyzing trace with hash -816368318, now seen corresponding path program 1 times [2024-11-16 07:44:26,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:26,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214550717] [2024-11-16 07:44:26,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:26,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:44:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:44:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:44:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:44:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 07:44:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:44:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:44:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:44:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:44:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:44:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:44:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:44:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-16 07:44:26,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:26,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214550717] [2024-11-16 07:44:26,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214550717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:44:26,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494461123] [2024-11-16 07:44:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:26,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:44:26,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:44:26,897 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) [2024-11-16 07:44:26,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 07:44:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 07:44:27,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:44:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-16 07:44:27,178 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:44:27,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494461123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:27,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:44:27,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:44:27,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042348700] [2024-11-16 07:44:27,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:27,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:44:27,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:27,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:44:27,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:44:27,181 INFO L87 Difference]: Start difference. First operand 471 states and 703 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:44:27,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:27,224 INFO L93 Difference]: Finished difference Result 738 states and 1080 transitions. [2024-11-16 07:44:27,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:44:27,226 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 120 [2024-11-16 07:44:27,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:27,231 INFO L225 Difference]: With dead ends: 738 [2024-11-16 07:44:27,232 INFO L226 Difference]: Without dead ends: 475 [2024-11-16 07:44:27,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:44:27,238 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 0 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1402 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 [2024-11-16 07:44:27,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1402 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:44:27,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-16 07:44:27,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2024-11-16 07:44:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 370 states have (on average 1.508108108108108) internal successors, (558), 374 states have internal predecessors, (558), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-16 07:44:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 707 transitions. [2024-11-16 07:44:27,273 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 707 transitions. Word has length 120 [2024-11-16 07:44:27,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:27,274 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 707 transitions. [2024-11-16 07:44:27,274 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:44:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 707 transitions. [2024-11-16 07:44:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-16 07:44:27,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:27,276 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:27,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 07:44:27,477 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 [2024-11-16 07:44:27,477 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:27,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:27,478 INFO L85 PathProgramCache]: Analyzing trace with hash -85732840, now seen corresponding path program 1 times [2024-11-16 07:44:27,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:27,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501147011] [2024-11-16 07:44:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:27,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:44:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:44:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:44:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:44:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:44:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 07:44:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:44:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:44:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:44:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:44:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:44:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:44:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-16 07:44:27,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:27,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501147011] [2024-11-16 07:44:27,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501147011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:44:27,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991657900] [2024-11-16 07:44:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:27,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:44:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:44:27,768 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) [2024-11-16 07:44:27,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 07:44:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:44:28,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:44:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-16 07:44:28,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:44:28,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991657900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:28,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:44:28,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:44:28,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511862598] [2024-11-16 07:44:28,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:28,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:44:28,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:28,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:44:28,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:44:28,071 INFO L87 Difference]: Start difference. First operand 475 states and 707 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:44:28,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:28,124 INFO L93 Difference]: Finished difference Result 1012 states and 1523 transitions. [2024-11-16 07:44:28,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:44:28,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2024-11-16 07:44:28,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:28,131 INFO L225 Difference]: With dead ends: 1012 [2024-11-16 07:44:28,132 INFO L226 Difference]: Without dead ends: 566 [2024-11-16 07:44:28,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:44:28,136 INFO L432 NwaCegarLoop]: 718 mSDtfsCounter, 152 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1375 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 [2024-11-16 07:44:28,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1375 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:44:28,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-16 07:44:28,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 558. [2024-11-16 07:44:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 439 states have (on average 1.5170842824601367) internal successors, (666), 443 states have internal predecessors, (666), 89 states have call successors, (89), 29 states have call predecessors, (89), 29 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 07:44:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 843 transitions. [2024-11-16 07:44:28,165 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 843 transitions. Word has length 131 [2024-11-16 07:44:28,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:28,166 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 843 transitions. [2024-11-16 07:44:28,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:44:28,166 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 843 transitions. [2024-11-16 07:44:28,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 07:44:28,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:28,169 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:28,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 07:44:28,369 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 [2024-11-16 07:44:28,370 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:28,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:28,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1663084378, now seen corresponding path program 1 times [2024-11-16 07:44:28,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:28,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793310621] [2024-11-16 07:44:28,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:28,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:44:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:44:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:44:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 07:44:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:44:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 07:44:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:44:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:44:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:44:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:44:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:44:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:44:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:44:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:44:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:44:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:44:28,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:28,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793310621] [2024-11-16 07:44:28,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793310621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:44:28,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424608657] [2024-11-16 07:44:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:28,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:44:28,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:44:28,651 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) [2024-11-16 07:44:28,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 07:44:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:28,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 07:44:28,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:44:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-16 07:44:28,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:44:28,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424608657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:28,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:44:28,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-16 07:44:28,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591252770] [2024-11-16 07:44:28,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:28,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:44:28,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:28,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:44:28,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:44:28,963 INFO L87 Difference]: Start difference. First operand 558 states and 843 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:44:29,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:29,010 INFO L93 Difference]: Finished difference Result 1107 states and 1676 transitions. [2024-11-16 07:44:29,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:44:29,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 151 [2024-11-16 07:44:29,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:29,014 INFO L225 Difference]: With dead ends: 1107 [2024-11-16 07:44:29,016 INFO L226 Difference]: Without dead ends: 560 [2024-11-16 07:44:29,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:44:29,018 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 2 mSDsluCounter, 2074 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2769 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 [2024-11-16 07:44:29,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2769 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:44:29,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-16 07:44:29,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2024-11-16 07:44:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 440 states have (on average 1.5159090909090909) internal successors, (667), 445 states have internal predecessors, (667), 89 states have call successors, (89), 29 states have call predecessors, (89), 30 states have return successors, (90), 87 states have call predecessors, (90), 88 states have call successors, (90) [2024-11-16 07:44:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 846 transitions. [2024-11-16 07:44:29,045 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 846 transitions. Word has length 151 [2024-11-16 07:44:29,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:29,045 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 846 transitions. [2024-11-16 07:44:29,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:44:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 846 transitions. [2024-11-16 07:44:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-16 07:44:29,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:29,048 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:29,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 07:44:29,249 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 [2024-11-16 07:44:29,249 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:29,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:29,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1386723579, now seen corresponding path program 1 times [2024-11-16 07:44:29,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:29,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239251559] [2024-11-16 07:44:29,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:29,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:44:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:44:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 07:44:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:44:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 07:44:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:44:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:44:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:44:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:44:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:44:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:44:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-16 07:44:29,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:29,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239251559] [2024-11-16 07:44:29,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239251559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:44:29,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748101185] [2024-11-16 07:44:29,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:29,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:44:29,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:44:29,449 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) [2024-11-16 07:44:29,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 07:44:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:29,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 07:44:29,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:44:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-16 07:44:29,753 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:44:29,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748101185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:29,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:44:29,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-16 07:44:29,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354865940] [2024-11-16 07:44:29,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:29,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:44:29,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:29,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:44:29,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:44:29,755 INFO L87 Difference]: Start difference. First operand 560 states and 846 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:44:29,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:29,826 INFO L93 Difference]: Finished difference Result 1109 states and 1681 transitions. [2024-11-16 07:44:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:44:29,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2024-11-16 07:44:29,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:29,833 INFO L225 Difference]: With dead ends: 1109 [2024-11-16 07:44:29,833 INFO L226 Difference]: Without dead ends: 562 [2024-11-16 07:44:29,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:44:29,837 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 2 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2755 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 [2024-11-16 07:44:29,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2755 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:44:29,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-16 07:44:29,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2024-11-16 07:44:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 441 states have (on average 1.5147392290249433) internal successors, (668), 447 states have internal predecessors, (668), 89 states have call successors, (89), 29 states have call predecessors, (89), 31 states have return successors, (95), 87 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:44:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 852 transitions. [2024-11-16 07:44:29,867 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 852 transitions. Word has length 133 [2024-11-16 07:44:29,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:29,868 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 852 transitions. [2024-11-16 07:44:29,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-16 07:44:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 852 transitions. [2024-11-16 07:44:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-16 07:44:29,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:29,871 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:29,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-16 07:44:30,071 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 [2024-11-16 07:44:30,072 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:30,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1537608650, now seen corresponding path program 1 times [2024-11-16 07:44:30,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:30,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841145982] [2024-11-16 07:44:30,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 07:44:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:44:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:44:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:44:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:44:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:44:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:44:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:44:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:44:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:44:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:44:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:44:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:44:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:44:30,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:30,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841145982] [2024-11-16 07:44:30,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841145982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:30,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:30,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:44:30,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782689619] [2024-11-16 07:44:30,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:30,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:44:30,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:30,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:44:30,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:44:30,249 INFO L87 Difference]: Start difference. First operand 562 states and 852 transitions. Second operand has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:44:32,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:32,501 INFO L93 Difference]: Finished difference Result 1335 states and 2055 transitions. [2024-11-16 07:44:32,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:44:32,501 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2024-11-16 07:44:32,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:32,506 INFO L225 Difference]: With dead ends: 1335 [2024-11-16 07:44:32,506 INFO L226 Difference]: Without dead ends: 796 [2024-11-16 07:44:32,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:44:32,508 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1600 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 3565 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 3565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:32,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 1491 Invalid, 4137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 3565 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 07:44:32,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-16 07:44:32,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 562. [2024-11-16 07:44:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 441 states have (on average 1.5147392290249433) internal successors, (668), 447 states have internal predecessors, (668), 89 states have call successors, (89), 29 states have call predecessors, (89), 31 states have return successors, (94), 87 states have call predecessors, (94), 88 states have call successors, (94) [2024-11-16 07:44:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 851 transitions. [2024-11-16 07:44:32,539 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 851 transitions. Word has length 153 [2024-11-16 07:44:32,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:32,540 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 851 transitions. [2024-11-16 07:44:32,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:44:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 851 transitions. [2024-11-16 07:44:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-16 07:44:32,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:32,542 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:32,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 07:44:32,542 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:32,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:32,543 INFO L85 PathProgramCache]: Analyzing trace with hash -428475846, now seen corresponding path program 2 times [2024-11-16 07:44:32,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:32,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747722575] [2024-11-16 07:44:32,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:32,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 07:44:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 07:44:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 07:44:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:44:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:44:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:44:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:44:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:44:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:44:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:44:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:44:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:44:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:44:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:44:32,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:32,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747722575] [2024-11-16 07:44:32,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747722575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:32,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:32,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:44:32,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110134148] [2024-11-16 07:44:32,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:32,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:44:32,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:32,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:44:32,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:44:32,725 INFO L87 Difference]: Start difference. First operand 562 states and 851 transitions. Second operand has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:44:34,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:34,965 INFO L93 Difference]: Finished difference Result 1337 states and 2058 transitions. [2024-11-16 07:44:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:44:34,965 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 154 [2024-11-16 07:44:34,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:34,969 INFO L225 Difference]: With dead ends: 1337 [2024-11-16 07:44:34,969 INFO L226 Difference]: Without dead ends: 798 [2024-11-16 07:44:34,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:44:34,971 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1600 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 3531 mSolverCounterSat, 615 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 4146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 615 IncrementalHoareTripleChecker+Valid, 3531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:34,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 1491 Invalid, 4146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [615 Valid, 3531 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 07:44:34,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-16 07:44:34,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 564. [2024-11-16 07:44:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 442 states have (on average 1.5135746606334841) internal successors, (669), 449 states have internal predecessors, (669), 89 states have call successors, (89), 29 states have call predecessors, (89), 32 states have return successors, (96), 87 states have call predecessors, (96), 88 states have call successors, (96) [2024-11-16 07:44:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 854 transitions. [2024-11-16 07:44:34,999 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 854 transitions. Word has length 154 [2024-11-16 07:44:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:34,999 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 854 transitions. [2024-11-16 07:44:34,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.625) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:44:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 854 transitions. [2024-11-16 07:44:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-16 07:44:35,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:35,001 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:35,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 07:44:35,001 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:35,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:35,001 INFO L85 PathProgramCache]: Analyzing trace with hash -796004019, now seen corresponding path program 1 times [2024-11-16 07:44:35,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:35,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990779577] [2024-11-16 07:44:35,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:35,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:44:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 07:44:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:44:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:44:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:44:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:44:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:44:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:44:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:44:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:44:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:44:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:44:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-16 07:44:35,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:35,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990779577] [2024-11-16 07:44:35,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990779577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:35,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:35,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:44:35,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249705148] [2024-11-16 07:44:35,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:35,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:44:35,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:35,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:44:35,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:44:35,228 INFO L87 Difference]: Start difference. First operand 564 states and 854 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-16 07:44:38,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:38,305 INFO L93 Difference]: Finished difference Result 1335 states and 2053 transitions. [2024-11-16 07:44:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:44:38,305 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 155 [2024-11-16 07:44:38,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:38,309 INFO L225 Difference]: With dead ends: 1335 [2024-11-16 07:44:38,310 INFO L226 Difference]: Without dead ends: 798 [2024-11-16 07:44:38,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:44:38,312 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1611 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 5964 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 6529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 5964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:38,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 2065 Invalid, 6529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 5964 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-16 07:44:38,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-16 07:44:38,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 564. [2024-11-16 07:44:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 442 states have (on average 1.5135746606334841) internal successors, (669), 449 states have internal predecessors, (669), 89 states have call successors, (89), 29 states have call predecessors, (89), 32 states have return successors, (95), 87 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-16 07:44:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 853 transitions. [2024-11-16 07:44:38,342 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 853 transitions. Word has length 155 [2024-11-16 07:44:38,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:38,343 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 853 transitions. [2024-11-16 07:44:38,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 8 states have internal predecessors, (97), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-16 07:44:38,343 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 853 transitions. [2024-11-16 07:44:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-16 07:44:38,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:38,345 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:38,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 07:44:38,345 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:38,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:38,346 INFO L85 PathProgramCache]: Analyzing trace with hash -412764661, now seen corresponding path program 2 times [2024-11-16 07:44:38,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:38,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566589114] [2024-11-16 07:44:38,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:38,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:44:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:44:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:44:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:44:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:44:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:44:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:44:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:44:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:44:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:44:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:44:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:44:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-16 07:44:38,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:38,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566589114] [2024-11-16 07:44:38,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566589114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:38,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:38,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:44:38,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731405240] [2024-11-16 07:44:38,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:38,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:44:38,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:38,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:44:38,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:44:38,570 INFO L87 Difference]: Start difference. First operand 564 states and 853 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-16 07:44:41,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:41,450 INFO L93 Difference]: Finished difference Result 1337 states and 2059 transitions. [2024-11-16 07:44:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:44:41,450 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 156 [2024-11-16 07:44:41,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:41,454 INFO L225 Difference]: With dead ends: 1337 [2024-11-16 07:44:41,454 INFO L226 Difference]: Without dead ends: 800 [2024-11-16 07:44:41,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:44:41,457 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1614 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 5881 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 6474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 5881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:41,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 2066 Invalid, 6474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 5881 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-16 07:44:41,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-16 07:44:41,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 566. [2024-11-16 07:44:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 443 states have (on average 1.512415349887133) internal successors, (670), 451 states have internal predecessors, (670), 89 states have call successors, (89), 29 states have call predecessors, (89), 33 states have return successors, (100), 87 states have call predecessors, (100), 88 states have call successors, (100) [2024-11-16 07:44:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 859 transitions. [2024-11-16 07:44:41,484 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 859 transitions. Word has length 156 [2024-11-16 07:44:41,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:41,485 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 859 transitions. [2024-11-16 07:44:41,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-16 07:44:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 859 transitions. [2024-11-16 07:44:41,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 07:44:41,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:41,487 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:41,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 07:44:41,487 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:41,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:41,487 INFO L85 PathProgramCache]: Analyzing trace with hash -408076592, now seen corresponding path program 1 times [2024-11-16 07:44:41,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:41,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135630992] [2024-11-16 07:44:41,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:41,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:44:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 07:44:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:44:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:44:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:44:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:44:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:44:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:44:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:44:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:44:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:44:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:44:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-16 07:44:41,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:41,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135630992] [2024-11-16 07:44:41,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135630992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:44:41,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899075326] [2024-11-16 07:44:41,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:41,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:44:41,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:44:41,711 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) [2024-11-16 07:44:41,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 07:44:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:41,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:44:41,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:44:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:41,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 07:44:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:42,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899075326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 07:44:42,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 07:44:42,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-16 07:44:42,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276230714] [2024-11-16 07:44:42,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 07:44:42,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 07:44:42,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:42,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 07:44:42,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:44:42,098 INFO L87 Difference]: Start difference. First operand 566 states and 859 transitions. Second operand has 15 states, 14 states have (on average 12.071428571428571) internal successors, (169), 11 states have internal predecessors, (169), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-16 07:44:45,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:45,377 INFO L93 Difference]: Finished difference Result 1857 states and 2951 transitions. [2024-11-16 07:44:45,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 07:44:45,378 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 12.071428571428571) internal successors, (169), 11 states have internal predecessors, (169), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 157 [2024-11-16 07:44:45,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:45,386 INFO L225 Difference]: With dead ends: 1857 [2024-11-16 07:44:45,386 INFO L226 Difference]: Without dead ends: 1324 [2024-11-16 07:44:45,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-16 07:44:45,388 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 3214 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 6335 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3234 SdHoareTripleChecker+Valid, 2326 SdHoareTripleChecker+Invalid, 7338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 6335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:45,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3234 Valid, 2326 Invalid, 7338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 6335 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 07:44:45,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2024-11-16 07:44:45,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1066. [2024-11-16 07:44:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 864 states have (on average 1.5428240740740742) internal successors, (1333), 872 states have internal predecessors, (1333), 168 states have call successors, (168), 29 states have call predecessors, (168), 33 states have return successors, (189), 166 states have call predecessors, (189), 167 states have call successors, (189) [2024-11-16 07:44:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1690 transitions. [2024-11-16 07:44:45,462 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1690 transitions. Word has length 157 [2024-11-16 07:44:45,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:45,463 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1690 transitions. [2024-11-16 07:44:45,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.071428571428571) internal successors, (169), 11 states have internal predecessors, (169), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-16 07:44:45,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1690 transitions. [2024-11-16 07:44:45,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-16 07:44:45,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:45,467 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:45,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-16 07:44:45,667 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 [2024-11-16 07:44:45,668 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:45,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:45,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1089790515, now seen corresponding path program 1 times [2024-11-16 07:44:45,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:45,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123659220] [2024-11-16 07:44:45,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:45,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:44:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:44:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:44:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:44:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:44:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:44:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:44:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:44:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:44:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:44:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 07:44:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 07:44:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:45,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:45,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123659220] [2024-11-16 07:44:45,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123659220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:45,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:45,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:45,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464105124] [2024-11-16 07:44:45,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:45,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:45,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:45,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:45,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:45,777 INFO L87 Difference]: Start difference. First operand 1066 states and 1690 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:47,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:47,442 INFO L93 Difference]: Finished difference Result 2766 states and 4474 transitions. [2024-11-16 07:44:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:47,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2024-11-16 07:44:47,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:47,456 INFO L225 Difference]: With dead ends: 2766 [2024-11-16 07:44:47,456 INFO L226 Difference]: Without dead ends: 1782 [2024-11-16 07:44:47,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:44:47,460 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 1758 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 2656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:47,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 1121 Invalid, 2656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 07:44:47,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2024-11-16 07:44:47,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1540. [2024-11-16 07:44:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1259 states have (on average 1.5504368546465448) internal successors, (1952), 1267 states have internal predecessors, (1952), 247 states have call successors, (247), 29 states have call predecessors, (247), 33 states have return successors, (278), 245 states have call predecessors, (278), 246 states have call successors, (278) [2024-11-16 07:44:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2477 transitions. [2024-11-16 07:44:47,528 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2477 transitions. Word has length 167 [2024-11-16 07:44:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:47,529 INFO L471 AbstractCegarLoop]: Abstraction has 1540 states and 2477 transitions. [2024-11-16 07:44:47,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2477 transitions. [2024-11-16 07:44:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-16 07:44:47,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:47,534 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:47,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 07:44:47,534 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:47,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:47,535 INFO L85 PathProgramCache]: Analyzing trace with hash 889107506, now seen corresponding path program 1 times [2024-11-16 07:44:47,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:47,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649497734] [2024-11-16 07:44:47,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:47,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:44:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:44:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:44:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:44:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:44:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:44:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:44:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:44:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:44:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:44:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 07:44:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 07:44:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:47,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:47,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649497734] [2024-11-16 07:44:47,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649497734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:47,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:47,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:47,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954772108] [2024-11-16 07:44:47,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:47,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:47,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:47,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:47,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:47,658 INFO L87 Difference]: Start difference. First operand 1540 states and 2477 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:49,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:49,406 INFO L93 Difference]: Finished difference Result 3952 states and 6434 transitions. [2024-11-16 07:44:49,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:49,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2024-11-16 07:44:49,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:49,417 INFO L225 Difference]: With dead ends: 3952 [2024-11-16 07:44:49,417 INFO L226 Difference]: Without dead ends: 2555 [2024-11-16 07:44:49,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:44:49,421 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1748 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 679 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:49,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 1104 Invalid, 2668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [679 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 07:44:49,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2024-11-16 07:44:49,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2313. [2024-11-16 07:44:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2313 states, 1913 states have (on average 1.5525352848928384) internal successors, (2970), 1921 states have internal predecessors, (2970), 366 states have call successors, (366), 29 states have call predecessors, (366), 33 states have return successors, (397), 364 states have call predecessors, (397), 365 states have call successors, (397) [2024-11-16 07:44:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 3733 transitions. [2024-11-16 07:44:49,492 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 3733 transitions. Word has length 168 [2024-11-16 07:44:49,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:49,492 INFO L471 AbstractCegarLoop]: Abstraction has 2313 states and 3733 transitions. [2024-11-16 07:44:49,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 3733 transitions. [2024-11-16 07:44:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-16 07:44:49,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:49,501 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:49,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 07:44:49,502 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:49,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:49,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1764355219, now seen corresponding path program 1 times [2024-11-16 07:44:49,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:49,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848622709] [2024-11-16 07:44:49,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:49,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:44:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:44:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:44:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:44:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:44:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:44:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:44:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:44:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:44:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:44:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 07:44:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 07:44:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:49,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:49,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848622709] [2024-11-16 07:44:49,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848622709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:49,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:49,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:49,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472730367] [2024-11-16 07:44:49,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:49,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:49,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:49,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:49,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:49,595 INFO L87 Difference]: Start difference. First operand 2313 states and 3733 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:51,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:51,371 INFO L93 Difference]: Finished difference Result 5772 states and 9448 transitions. [2024-11-16 07:44:51,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:51,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2024-11-16 07:44:51,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:51,390 INFO L225 Difference]: With dead ends: 5772 [2024-11-16 07:44:51,390 INFO L226 Difference]: Without dead ends: 3755 [2024-11-16 07:44:51,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:44:51,397 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1739 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:51,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 1089 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [642 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 07:44:51,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2024-11-16 07:44:51,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3513. [2024-11-16 07:44:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3513 states, 2951 states have (on average 1.5537106065740427) internal successors, (4585), 2959 states have internal predecessors, (4585), 528 states have call successors, (528), 29 states have call predecessors, (528), 33 states have return successors, (575), 526 states have call predecessors, (575), 527 states have call successors, (575) [2024-11-16 07:44:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3513 states and 5688 transitions. [2024-11-16 07:44:51,546 INFO L78 Accepts]: Start accepts. Automaton has 3513 states and 5688 transitions. Word has length 169 [2024-11-16 07:44:51,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:51,547 INFO L471 AbstractCegarLoop]: Abstraction has 3513 states and 5688 transitions. [2024-11-16 07:44:51,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:51,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3513 states and 5688 transitions. [2024-11-16 07:44:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-16 07:44:51,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:51,558 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:51,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 07:44:51,558 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:51,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:51,559 INFO L85 PathProgramCache]: Analyzing trace with hash 688760049, now seen corresponding path program 1 times [2024-11-16 07:44:51,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:51,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346318135] [2024-11-16 07:44:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:51,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:44:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:44:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:44:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:44:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:44:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:44:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:44:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:44:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:44:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:51,645 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:44:51,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:51,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346318135] [2024-11-16 07:44:51,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346318135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:51,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:51,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:51,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552582802] [2024-11-16 07:44:51,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:51,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:51,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:51,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:51,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:51,646 INFO L87 Difference]: Start difference. First operand 3513 states and 5688 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:44:53,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:53,468 INFO L93 Difference]: Finished difference Result 8674 states and 14251 transitions. [2024-11-16 07:44:53,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:53,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2024-11-16 07:44:53,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:53,493 INFO L225 Difference]: With dead ends: 8674 [2024-11-16 07:44:53,494 INFO L226 Difference]: Without dead ends: 5709 [2024-11-16 07:44:53,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:44:53,501 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1764 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 2581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:53,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 1090 Invalid, 2581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 07:44:53,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5709 states. [2024-11-16 07:44:53,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5709 to 5467. [2024-11-16 07:44:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5467 states, 4660 states have (on average 1.553862660944206) internal successors, (7241), 4668 states have internal predecessors, (7241), 773 states have call successors, (773), 29 states have call predecessors, (773), 33 states have return successors, (846), 771 states have call predecessors, (846), 772 states have call successors, (846) [2024-11-16 07:44:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5467 states to 5467 states and 8860 transitions. [2024-11-16 07:44:53,667 INFO L78 Accepts]: Start accepts. Automaton has 5467 states and 8860 transitions. Word has length 151 [2024-11-16 07:44:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:53,668 INFO L471 AbstractCegarLoop]: Abstraction has 5467 states and 8860 transitions. [2024-11-16 07:44:53,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:44:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 5467 states and 8860 transitions. [2024-11-16 07:44:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-16 07:44:53,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:53,682 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:53,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 07:44:53,682 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:53,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:53,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1918776685, now seen corresponding path program 1 times [2024-11-16 07:44:53,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:53,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593470769] [2024-11-16 07:44:53,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:53,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:44:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:44:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:44:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:44:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:44:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:44:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:44:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:44:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:44:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 07:44:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 07:44:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 07:44:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:53,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:53,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593470769] [2024-11-16 07:44:53,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593470769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:53,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:53,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:53,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849201314] [2024-11-16 07:44:53,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:53,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:53,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:53,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:53,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:53,776 INFO L87 Difference]: Start difference. First operand 5467 states and 8860 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:55,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:55,383 INFO L93 Difference]: Finished difference Result 13547 states and 22300 transitions. [2024-11-16 07:44:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:55,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 171 [2024-11-16 07:44:55,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:55,434 INFO L225 Difference]: With dead ends: 13547 [2024-11-16 07:44:55,434 INFO L226 Difference]: Without dead ends: 9013 [2024-11-16 07:44:55,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:44:55,450 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 1732 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1750 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 2665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:55,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1750 Valid, 1122 Invalid, 2665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 07:44:55,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9013 states. [2024-11-16 07:44:55,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9013 to 8771. [2024-11-16 07:44:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8771 states, 7471 states have (on average 1.5474501405434347) internal successors, (11561), 7479 states have internal predecessors, (11561), 1266 states have call successors, (1266), 29 states have call predecessors, (1266), 33 states have return successors, (1383), 1264 states have call predecessors, (1383), 1265 states have call successors, (1383) [2024-11-16 07:44:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8771 states to 8771 states and 14210 transitions. [2024-11-16 07:44:55,752 INFO L78 Accepts]: Start accepts. Automaton has 8771 states and 14210 transitions. Word has length 171 [2024-11-16 07:44:55,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:55,753 INFO L471 AbstractCegarLoop]: Abstraction has 8771 states and 14210 transitions. [2024-11-16 07:44:55,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:55,754 INFO L276 IsEmpty]: Start isEmpty. Operand 8771 states and 14210 transitions. [2024-11-16 07:44:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 07:44:55,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:55,771 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:55,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 07:44:55,772 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:55,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:55,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1660670414, now seen corresponding path program 1 times [2024-11-16 07:44:55,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:55,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227364080] [2024-11-16 07:44:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:44:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:44:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:44:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:44:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:44:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:44:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 07:44:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:44:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:44:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 07:44:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 07:44:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 07:44:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:55,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:55,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227364080] [2024-11-16 07:44:55,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227364080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:55,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:55,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:55,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446373522] [2024-11-16 07:44:55,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:55,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:55,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:55,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:55,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:55,860 INFO L87 Difference]: Start difference. First operand 8771 states and 14210 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:57,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:44:57,534 INFO L93 Difference]: Finished difference Result 22381 states and 36795 transitions. [2024-11-16 07:44:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:44:57,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2024-11-16 07:44:57,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:44:57,581 INFO L225 Difference]: With dead ends: 22381 [2024-11-16 07:44:57,581 INFO L226 Difference]: Without dead ends: 15023 [2024-11-16 07:44:57,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:44:57,599 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1748 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 1973 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 2620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 1973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:44:57,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 1097 Invalid, 2620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 1973 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 07:44:57,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15023 states. [2024-11-16 07:44:57,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15023 to 14781. [2024-11-16 07:44:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14781 states, 12659 states have (on average 1.5451457461094873) internal successors, (19560), 12667 states have internal predecessors, (19560), 2088 states have call successors, (2088), 29 states have call predecessors, (2088), 33 states have return successors, (2283), 2086 states have call predecessors, (2283), 2087 states have call successors, (2283) [2024-11-16 07:44:58,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14781 states to 14781 states and 23931 transitions. [2024-11-16 07:44:58,094 INFO L78 Accepts]: Start accepts. Automaton has 14781 states and 23931 transitions. Word has length 172 [2024-11-16 07:44:58,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:58,094 INFO L471 AbstractCegarLoop]: Abstraction has 14781 states and 23931 transitions. [2024-11-16 07:44:58,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:44:58,094 INFO L276 IsEmpty]: Start isEmpty. Operand 14781 states and 23931 transitions. [2024-11-16 07:44:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-16 07:44:58,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:58,120 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:58,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 07:44:58,120 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:58,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:58,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1653375219, now seen corresponding path program 1 times [2024-11-16 07:44:58,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:58,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91103] [2024-11-16 07:44:58,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:58,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:44:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:44:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:44:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:44:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:44:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:44:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:44:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:44:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:44:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:44:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:44:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:44:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:44:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:44:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:44:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 07:44:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 07:44:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 07:44:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:44:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:44:58,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:44:58,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91103] [2024-11-16 07:44:58,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:44:58,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:44:58,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:44:58,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155305068] [2024-11-16 07:44:58,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:44:58,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:44:58,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:44:58,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:44:58,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:44:58,207 INFO L87 Difference]: Start difference. First operand 14781 states and 23931 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:45:00,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:45:00,240 INFO L93 Difference]: Finished difference Result 36157 states and 58788 transitions. [2024-11-16 07:45:00,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:45:00,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 173 [2024-11-16 07:45:00,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:45:00,340 INFO L225 Difference]: With dead ends: 36157 [2024-11-16 07:45:00,341 INFO L226 Difference]: Without dead ends: 23901 [2024-11-16 07:45:00,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:45:00,370 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1734 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1976 mSolverCounterSat, 634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 2610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 634 IncrementalHoareTripleChecker+Valid, 1976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:45:00,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 1064 Invalid, 2610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [634 Valid, 1976 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 07:45:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23901 states. [2024-11-16 07:45:01,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23901 to 23659. [2024-11-16 07:45:01,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23659 states, 20334 states have (on average 1.5132782531720272) internal successors, (30771), 20342 states have internal predecessors, (30771), 3291 states have call successors, (3291), 29 states have call predecessors, (3291), 33 states have return successors, (3630), 3289 states have call predecessors, (3630), 3290 states have call successors, (3630) [2024-11-16 07:45:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23659 states to 23659 states and 37692 transitions. [2024-11-16 07:45:01,218 INFO L78 Accepts]: Start accepts. Automaton has 23659 states and 37692 transitions. Word has length 173 [2024-11-16 07:45:01,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:45:01,218 INFO L471 AbstractCegarLoop]: Abstraction has 23659 states and 37692 transitions. [2024-11-16 07:45:01,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:45:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 23659 states and 37692 transitions. [2024-11-16 07:45:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 07:45:01,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:45:01,239 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:45:01,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 07:45:01,239 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:45:01,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:45:01,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1695506894, now seen corresponding path program 1 times [2024-11-16 07:45:01,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:45:01,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61043586] [2024-11-16 07:45:01,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:45:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:45:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:45:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:45:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:45:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:45:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:45:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:45:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:45:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:45:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:45:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:45:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:45:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:45:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:45:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:45:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:45:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 07:45:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 07:45:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 07:45:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:45:01,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:45:01,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61043586] [2024-11-16 07:45:01,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61043586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:45:01,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:45:01,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:45:01,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480779839] [2024-11-16 07:45:01,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:45:01,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:45:01,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:45:01,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:45:01,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:45:01,332 INFO L87 Difference]: Start difference. First operand 23659 states and 37692 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:45:03,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:45:03,761 INFO L93 Difference]: Finished difference Result 63021 states and 101744 transitions. [2024-11-16 07:45:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:45:03,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2024-11-16 07:45:03,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:45:03,903 INFO L225 Difference]: With dead ends: 63021 [2024-11-16 07:45:03,903 INFO L226 Difference]: Without dead ends: 42707 [2024-11-16 07:45:03,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:45:03,956 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1731 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:45:03,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 1090 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 1964 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 07:45:03,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42707 states. [2024-11-16 07:45:05,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42707 to 42465. [2024-11-16 07:45:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42465 states, 36690 states have (on average 1.5081221041155628) internal successors, (55333), 36698 states have internal predecessors, (55333), 5741 states have call successors, (5741), 29 states have call predecessors, (5741), 33 states have return successors, (6354), 5739 states have call predecessors, (6354), 5740 states have call successors, (6354) [2024-11-16 07:45:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42465 states to 42465 states and 67428 transitions. [2024-11-16 07:45:05,794 INFO L78 Accepts]: Start accepts. Automaton has 42465 states and 67428 transitions. Word has length 174 [2024-11-16 07:45:05,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:45:05,795 INFO L471 AbstractCegarLoop]: Abstraction has 42465 states and 67428 transitions. [2024-11-16 07:45:05,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:45:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 42465 states and 67428 transitions. [2024-11-16 07:45:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-16 07:45:05,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:45:05,822 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:45:05,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 07:45:05,823 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:45:05,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:45:05,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1912747318, now seen corresponding path program 1 times [2024-11-16 07:45:05,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:45:05,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814892256] [2024-11-16 07:45:05,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:45:05,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:45:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:45:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:45:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:45:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:45:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:45:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:45:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:45:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 07:45:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:45:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:45:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:45:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:45:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:45:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:45:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:45:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:45:05,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:45:05,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814892256] [2024-11-16 07:45:05,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814892256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:45:05,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:45:05,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:45:05,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89554080] [2024-11-16 07:45:05,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:45:05,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:45:05,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:45:05,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:45:05,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:45:05,941 INFO L87 Difference]: Start difference. First operand 42465 states and 67428 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:45:09,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:45:09,803 INFO L93 Difference]: Finished difference Result 116530 states and 186965 transitions. [2024-11-16 07:45:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:45:09,804 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 156 [2024-11-16 07:45:09,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:45:10,237 INFO L225 Difference]: With dead ends: 116530 [2024-11-16 07:45:10,242 INFO L226 Difference]: Without dead ends: 78549 [2024-11-16 07:45:10,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:45:10,295 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 1738 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 2644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 664 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 07:45:10,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 1133 Invalid, 2644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [664 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 07:45:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78549 states. [2024-11-16 07:45:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78549 to 78307. [2024-11-16 07:45:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78307 states, 68019 states have (on average 1.5023890383569296) internal successors, (102191), 68027 states have internal predecessors, (102191), 10254 states have call successors, (10254), 29 states have call predecessors, (10254), 33 states have return successors, (11399), 10252 states have call predecessors, (11399), 10253 states have call successors, (11399) [2024-11-16 07:45:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78307 states to 78307 states and 123844 transitions. [2024-11-16 07:45:12,942 INFO L78 Accepts]: Start accepts. Automaton has 78307 states and 123844 transitions. Word has length 156 [2024-11-16 07:45:12,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:45:12,943 INFO L471 AbstractCegarLoop]: Abstraction has 78307 states and 123844 transitions. [2024-11-16 07:45:12,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:45:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 78307 states and 123844 transitions. [2024-11-16 07:45:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 07:45:12,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:45:12,975 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:45:12,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 07:45:12,976 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:45:12,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:45:12,976 INFO L85 PathProgramCache]: Analyzing trace with hash 455609169, now seen corresponding path program 1 times [2024-11-16 07:45:12,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:45:12,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750972170] [2024-11-16 07:45:12,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:45:12,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:45:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:45:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:45:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:45:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:45:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:45:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:45:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:45:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:45:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:45:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:45:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:45:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:45:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:45:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:45:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:45:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-16 07:45:13,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:45:13,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750972170] [2024-11-16 07:45:13,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750972170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:45:13,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:45:13,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:45:13,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060516073] [2024-11-16 07:45:13,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:45:13,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:45:13,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:45:13,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:45:13,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:45:13,074 INFO L87 Difference]: Start difference. First operand 78307 states and 123844 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:45:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:45:17,802 INFO L93 Difference]: Finished difference Result 147803 states and 237010 transitions. [2024-11-16 07:45:17,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:45:17,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 157 [2024-11-16 07:45:17,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:45:18,284 INFO L225 Difference]: With dead ends: 147803 [2024-11-16 07:45:18,284 INFO L226 Difference]: Without dead ends: 147540 [2024-11-16 07:45:18,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:45:18,337 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 1715 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 640 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:45:18,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 1131 Invalid, 2660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [640 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 07:45:18,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147540 states. [2024-11-16 07:45:22,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147540 to 147298. [2024-11-16 07:45:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147298 states, 128642 states have (on average 1.495981094821287) internal successors, (192446), 128650 states have internal predecessors, (192446), 18622 states have call successors, (18622), 29 states have call predecessors, (18622), 33 states have return successors, (20813), 18620 states have call predecessors, (20813), 18621 states have call successors, (20813) [2024-11-16 07:45:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147298 states to 147298 states and 231881 transitions. [2024-11-16 07:45:22,890 INFO L78 Accepts]: Start accepts. Automaton has 147298 states and 231881 transitions. Word has length 157 [2024-11-16 07:45:22,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:45:22,890 INFO L471 AbstractCegarLoop]: Abstraction has 147298 states and 231881 transitions. [2024-11-16 07:45:22,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-16 07:45:22,891 INFO L276 IsEmpty]: Start isEmpty. Operand 147298 states and 231881 transitions. [2024-11-16 07:45:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 07:45:22,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:45:22,934 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:45:22,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 07:45:22,934 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:45:22,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:45:22,934 INFO L85 PathProgramCache]: Analyzing trace with hash 790621709, now seen corresponding path program 1 times [2024-11-16 07:45:22,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:45:22,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037579883] [2024-11-16 07:45:22,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:45:22,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:45:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:45:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:45:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:45:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:45:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:45:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:45:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:45:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:45:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:45:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:45:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:45:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:45:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:45:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:45:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:45:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 07:45:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 07:45:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 07:45:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:45:23,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:45:23,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037579883] [2024-11-16 07:45:23,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037579883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:45:23,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:45:23,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:45:23,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686247002] [2024-11-16 07:45:23,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:45:23,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:45:23,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:45:23,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:45:23,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:45:23,171 INFO L87 Difference]: Start difference. First operand 147298 states and 231881 transitions. Second operand has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:45:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:45:31,640 INFO L93 Difference]: Finished difference Result 283462 states and 454226 transitions. [2024-11-16 07:45:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 07:45:31,640 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2024-11-16 07:45:31,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:45:32,759 INFO L225 Difference]: With dead ends: 283462 [2024-11-16 07:45:32,759 INFO L226 Difference]: Without dead ends: 283207 [2024-11-16 07:45:32,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-16 07:45:32,857 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 3637 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 4422 mSolverCounterSat, 1243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3655 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 5665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1243 IncrementalHoareTripleChecker+Valid, 4422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:45:32,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3655 Valid, 1876 Invalid, 5665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1243 Valid, 4422 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-16 07:45:33,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283207 states. [2024-11-16 07:45:40,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283207 to 282732. [2024-11-16 07:45:40,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282732 states, 246923 states have (on average 1.4988964171016876) internal successors, (370112), 246879 states have internal predecessors, (370112), 35746 states have call successors, (35746), 57 states have call predecessors, (35746), 62 states have return successors, (39029), 35799 states have call predecessors, (39029), 35744 states have call successors, (39029) [2024-11-16 07:45:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282732 states to 282732 states and 444887 transitions. [2024-11-16 07:45:42,020 INFO L78 Accepts]: Start accepts. Automaton has 282732 states and 444887 transitions. Word has length 177 [2024-11-16 07:45:42,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:45:42,020 INFO L471 AbstractCegarLoop]: Abstraction has 282732 states and 444887 transitions. [2024-11-16 07:45:42,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (21), 7 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:45:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 282732 states and 444887 transitions. [2024-11-16 07:45:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 07:45:42,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:45:42,065 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:45:42,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 07:45:42,066 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:45:42,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:45:42,066 INFO L85 PathProgramCache]: Analyzing trace with hash 473309670, now seen corresponding path program 1 times [2024-11-16 07:45:42,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:45:42,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484278930] [2024-11-16 07:45:42,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:45:42,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:45:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:45:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:45:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:45:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:45:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:45:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:45:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:45:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:45:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:45:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:45:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:45:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:45:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:45:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:45:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:45:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 07:45:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 07:45:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 07:45:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:45:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-16 07:45:42,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:45:42,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484278930] [2024-11-16 07:45:42,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484278930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:45:42,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:45:42,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 07:45:42,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319071836] [2024-11-16 07:45:42,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:45:42,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 07:45:42,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:45:42,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 07:45:42,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-16 07:45:42,330 INFO L87 Difference]: Start difference. First operand 282732 states and 444887 transitions. Second operand has 14 states, 13 states have (on average 9.0) internal successors, (117), 8 states have internal predecessors, (117), 5 states have call successors, (21), 8 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 5 states have call successors, (18)