./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_spec11_product40.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 3d6b4da8bd47478af9a0348a2f21d8475ccd8463dda8c629c98551dc6b564226 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:20:57,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:20:57,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:20:57,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:20:57,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:20:57,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:20:57,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:20:57,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:20:57,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:20:57,251 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:20:57,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:20:57,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:20:57,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:20:57,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:20:57,252 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:20:57,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:20:57,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:20:57,253 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:20:57,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:20:57,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:20:57,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:20:57,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:20:57,254 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 3d6b4da8bd47478af9a0348a2f21d8475ccd8463dda8c629c98551dc6b564226 [2025-03-03 14:20:57,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:20:57,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:20:57,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:20:57,504 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:20:57,504 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:20:57,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2025-03-03 14:20:58,755 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cddb0aa3/416141d6b8d744cba4ba74564d1306e9/FLAGa4436d44a [2025-03-03 14:20:59,040 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:20:59,041 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2025-03-03 14:20:59,057 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cddb0aa3/416141d6b8d744cba4ba74564d1306e9/FLAGa4436d44a [2025-03-03 14:20:59,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cddb0aa3/416141d6b8d744cba4ba74564d1306e9 [2025-03-03 14:20:59,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:20:59,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:20:59,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:20:59,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:20:59,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:20:59,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41073b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59, skipping insertion in model container [2025-03-03 14:20:59,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:20:59,521 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_spec11_product40.cil.c[8480,8493] [2025-03-03 14:20:59,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:20:59,715 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:20:59,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [48] [2025-03-03 14:20:59,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [81] [2025-03-03 14:20:59,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [119] [2025-03-03 14:20:59,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [411] [2025-03-03 14:20:59,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [428] [2025-03-03 14:20:59,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [437] [2025-03-03 14:20:59,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] [2025-03-03 14:20:59,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [867] [2025-03-03 14:20:59,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1100] [2025-03-03 14:20:59,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2173] [2025-03-03 14:20:59,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2580] [2025-03-03 14:20:59,743 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_spec11_product40.cil.c[8480,8493] [2025-03-03 14:20:59,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:20:59,834 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:20:59,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59 WrapperNode [2025-03-03 14:20:59,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:20:59,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:20:59,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:20:59,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:20:59,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,891 INFO L138 Inliner]: procedures = 127, calls = 185, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 908 [2025-03-03 14:20:59,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:20:59,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:20:59,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:20:59,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:20:59,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,903 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,927 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]. [2025-03-03 14:20:59,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,944 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:20:59,962 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:20:59,962 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:20:59,962 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:20:59,965 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (1/1) ... [2025-03-03 14:20:59,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:20:59,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:20:59,989 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) [2025-03-03 14:20:59,992 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 [2025-03-03 14:21:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-03 14:21:00,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-03 14:21:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-03 14:21:00,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-03 14:21:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-03 14:21:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-03 14:21:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-03-03 14:21:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-03-03 14:21:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-03 14:21:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-03 14:21:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-03 14:21:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-03 14:21:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-03 14:21:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-03 14:21:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-03 14:21:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-03 14:21:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-03 14:21:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-03 14:21:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-03 14:21:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:21:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:21:00,172 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:21:00,175 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:21:00,289 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1762-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~24#1; [2025-03-03 14:21:00,289 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1807: #res#1 := ~retValue_acc~25#1; [2025-03-03 14:21:00,301 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-1: createEmail_#res#1 := createEmail_~retValue_acc~10#1; [2025-03-03 14:21:00,315 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1259: #res := ~retValue_acc~17; [2025-03-03 14:21:00,380 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2298: #res := ~retValue_acc~34; [2025-03-03 14:21:00,439 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1585: #res := ~retValue_acc~21; [2025-03-03 14:21:00,518 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224-1: getEmailId_#res#1 := getEmailId_~retValue_acc~32#1; [2025-03-03 14:21:00,518 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2150-1: getClientId_#res#1 := getClientId_~retValue_acc~30#1; [2025-03-03 14:21:00,518 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1668-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~22#1; [2025-03-03 14:21:00,518 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2103-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~29#1; [2025-03-03 14:21:00,757 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L316-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~3#1; [2025-03-03 14:21:00,758 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L334-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~5#1; [2025-03-03 14:21:00,758 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1870-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~26#1; [2025-03-03 14:21:00,758 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~4#1; [2025-03-03 14:21:00,758 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1977-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~27#1; [2025-03-03 14:21:00,758 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-03-03 14:21:00,764 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2261: #res := ~retValue_acc~33; [2025-03-03 14:21:00,767 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L474: #res := ~retValue_acc~8; [2025-03-03 14:21:00,871 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2025-03-03 14:21:00,871 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:21:00,885 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:21:00,888 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:21:00,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:21:00 BoogieIcfgContainer [2025-03-03 14:21:00,888 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:21:00,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:21:00,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:21:00,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:21:00,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:20:59" (1/3) ... [2025-03-03 14:21:00,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68af46fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:21:00, skipping insertion in model container [2025-03-03 14:21:00,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:20:59" (2/3) ... [2025-03-03 14:21:00,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68af46fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:21:00, skipping insertion in model container [2025-03-03 14:21:00,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:21:00" (3/3) ... [2025-03-03 14:21:00,897 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product40.cil.c [2025-03-03 14:21:00,907 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:21:00,910 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product40.cil.c that has 21 procedures, 335 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 14:21:00,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:21:00,976 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;@158db97d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:21:00,978 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:21:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 335 states, 261 states have (on average 1.5632183908045978) internal successors, (408), 264 states have internal predecessors, (408), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2025-03-03 14:21:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-03 14:21:00,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:21:00,993 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:21:00,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:21:00,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:21:00,997 INFO L85 PathProgramCache]: Analyzing trace with hash -492919763, now seen corresponding path program 1 times [2025-03-03 14:21:01,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:21:01,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116357754] [2025-03-03 14:21:01,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:01,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:21:01,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-03 14:21:01,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-03 14:21:01,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:01,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-03 14:21:01,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:21:01,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116357754] [2025-03-03 14:21:01,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116357754] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:21:01,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784044144] [2025-03-03 14:21:01,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:01,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:21:01,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:21:01,549 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) [2025-03-03 14:21:01,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 14:21:01,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-03 14:21:01,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-03 14:21:01,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:01,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:01,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 14:21:01,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:21:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-03 14:21:01,838 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:21:01,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784044144] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:21:01,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:21:01,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-03-03 14:21:01,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119994280] [2025-03-03 14:21:01,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:21:01,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:21:01,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:21:01,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:21:01,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:21:01,860 INFO L87 Difference]: Start difference. First operand has 335 states, 261 states have (on average 1.5632183908045978) internal successors, (408), 264 states have internal predecessors, (408), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:21:01,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:21:01,900 INFO L93 Difference]: Finished difference Result 473 states and 708 transitions. [2025-03-03 14:21:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:21:01,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2025-03-03 14:21:01,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:21:01,919 INFO L225 Difference]: With dead ends: 473 [2025-03-03 14:21:01,919 INFO L226 Difference]: Without dead ends: 328 [2025-03-03 14:21:01,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:21:01,927 INFO L435 NwaCegarLoop]: 509 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, 509 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 [2025-03-03 14:21:01,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:21:01,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-03-03 14:21:01,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2025-03-03 14:21:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 255 states have (on average 1.5607843137254902) internal successors, (398), 257 states have internal predecessors, (398), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-03 14:21:01,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 501 transitions. [2025-03-03 14:21:01,993 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 501 transitions. Word has length 96 [2025-03-03 14:21:01,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:21:01,995 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 501 transitions. [2025-03-03 14:21:01,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:21:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 501 transitions. [2025-03-03 14:21:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-03 14:21:02,003 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:21:02,003 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:21:02,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-03 14:21:02,204 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 [2025-03-03 14:21:02,204 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:21:02,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:21:02,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1497251840, now seen corresponding path program 1 times [2025-03-03 14:21:02,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:21:02,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061873192] [2025-03-03 14:21:02,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:02,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:21:02,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-03 14:21:02,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-03 14:21:02,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:02,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:02,439 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-03 14:21:02,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:21:02,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061873192] [2025-03-03 14:21:02,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061873192] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:21:02,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167395191] [2025-03-03 14:21:02,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:02,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:21:02,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:21:02,443 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) [2025-03-03 14:21:02,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 14:21:02,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-03 14:21:02,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-03 14:21:02,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:02,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:02,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-03 14:21:02,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:21:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-03 14:21:02,714 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:21:02,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167395191] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:21:02,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:21:02,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-03 14:21:02,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542703763] [2025-03-03 14:21:02,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:21:02,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:21:02,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:21:02,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:21:02,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:21:02,717 INFO L87 Difference]: Start difference. First operand 328 states and 501 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:21:02,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:21:02,758 INFO L93 Difference]: Finished difference Result 462 states and 686 transitions. [2025-03-03 14:21:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:21:02,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 97 [2025-03-03 14:21:02,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:21:02,762 INFO L225 Difference]: With dead ends: 462 [2025-03-03 14:21:02,762 INFO L226 Difference]: Without dead ends: 330 [2025-03-03 14:21:02,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:21:02,767 INFO L435 NwaCegarLoop]: 500 mSDtfsCounter, 0 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 998 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 [2025-03-03 14:21:02,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 998 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:21:02,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2025-03-03 14:21:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2025-03-03 14:21:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 257 states have (on average 1.556420233463035) internal successors, (400), 259 states have internal predecessors, (400), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2025-03-03 14:21:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 503 transitions. [2025-03-03 14:21:02,814 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 503 transitions. Word has length 97 [2025-03-03 14:21:02,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:21:02,815 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 503 transitions. [2025-03-03 14:21:02,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:21:02,816 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 503 transitions. [2025-03-03 14:21:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-03 14:21:02,819 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:21:02,819 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:21:02,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-03 14:21:03,019 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 [2025-03-03 14:21:03,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:21:03,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:21:03,023 INFO L85 PathProgramCache]: Analyzing trace with hash 203671684, now seen corresponding path program 1 times [2025-03-03 14:21:03,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:21:03,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849085389] [2025-03-03 14:21:03,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:03,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:21:03,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-03 14:21:03,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-03 14:21:03,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:03,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:21:03,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:21:03,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849085389] [2025-03-03 14:21:03,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849085389] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:21:03,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962864214] [2025-03-03 14:21:03,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:03,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:21:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:21:03,195 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) [2025-03-03 14:21:03,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-03 14:21:03,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-03 14:21:03,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-03 14:21:03,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:03,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:03,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-03 14:21:03,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:21:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-03 14:21:03,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:21:03,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962864214] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:21:03,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:21:03,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-03 14:21:03,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103305260] [2025-03-03 14:21:03,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:21:03,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:21:03,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:21:03,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:21:03,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:21:03,456 INFO L87 Difference]: Start difference. First operand 330 states and 503 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:21:03,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:21:03,492 INFO L93 Difference]: Finished difference Result 712 states and 1105 transitions. [2025-03-03 14:21:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:21:03,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2025-03-03 14:21:03,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:21:03,497 INFO L225 Difference]: With dead ends: 712 [2025-03-03 14:21:03,497 INFO L226 Difference]: Without dead ends: 409 [2025-03-03 14:21:03,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:21:03,502 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 142 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 972 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 [2025-03-03 14:21:03,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 972 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:21:03,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-03-03 14:21:03,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 401. [2025-03-03 14:21:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 314 states have (on average 1.5796178343949046) internal successors, (496), 316 states have internal predecessors, (496), 66 states have call successors, (66), 20 states have call predecessors, (66), 20 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2025-03-03 14:21:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 627 transitions. [2025-03-03 14:21:03,533 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 627 transitions. Word has length 105 [2025-03-03 14:21:03,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:21:03,535 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 627 transitions. [2025-03-03 14:21:03,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:21:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 627 transitions. [2025-03-03 14:21:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-03 14:21:03,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:21:03,537 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:21:03,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-03 14:21:03,737 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 [2025-03-03 14:21:03,738 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:21:03,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:21:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash -673914997, now seen corresponding path program 1 times [2025-03-03 14:21:03,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:21:03,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660068365] [2025-03-03 14:21:03,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:03,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:21:03,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-03 14:21:03,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-03 14:21:03,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:03,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:21:03,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:21:03,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660068365] [2025-03-03 14:21:03,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660068365] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:21:03,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865391766] [2025-03-03 14:21:03,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:03,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:21:03,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:21:03,898 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) [2025-03-03 14:21:03,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-03 14:21:04,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-03 14:21:04,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-03 14:21:04,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:04,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:04,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-03 14:21:04,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:21:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-03 14:21:04,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:21:04,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865391766] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:21:04,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:21:04,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-03 14:21:04,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580932311] [2025-03-03 14:21:04,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:21:04,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:21:04,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:21:04,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:21:04,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:21:04,187 INFO L87 Difference]: Start difference. First operand 401 states and 627 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:21:04,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:21:04,263 INFO L93 Difference]: Finished difference Result 793 states and 1244 transitions. [2025-03-03 14:21:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:21:04,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2025-03-03 14:21:04,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:21:04,266 INFO L225 Difference]: With dead ends: 793 [2025-03-03 14:21:04,266 INFO L226 Difference]: Without dead ends: 403 [2025-03-03 14:21:04,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:21:04,269 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 2 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1961 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 [2025-03-03 14:21:04,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1961 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:21:04,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-03 14:21:04,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-03 14:21:04,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 315 states have (on average 1.5777777777777777) internal successors, (497), 318 states have internal predecessors, (497), 66 states have call successors, (66), 20 states have call predecessors, (66), 21 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2025-03-03 14:21:04,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 630 transitions. [2025-03-03 14:21:04,299 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 630 transitions. Word has length 106 [2025-03-03 14:21:04,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:21:04,299 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 630 transitions. [2025-03-03 14:21:04,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:21:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 630 transitions. [2025-03-03 14:21:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-03 14:21:04,302 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:21:04,302 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:21:04,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-03 14:21:04,502 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 [2025-03-03 14:21:04,503 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:21:04,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:21:04,503 INFO L85 PathProgramCache]: Analyzing trace with hash 585211404, now seen corresponding path program 1 times [2025-03-03 14:21:04,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:21:04,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914818225] [2025-03-03 14:21:04,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:04,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:21:04,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-03 14:21:04,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-03 14:21:04,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:04,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-03 14:21:04,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:21:04,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914818225] [2025-03-03 14:21:04,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914818225] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:21:04,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939959935] [2025-03-03 14:21:04,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:04,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:21:04,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:21:04,668 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) [2025-03-03 14:21:04,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-03 14:21:04,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-03 14:21:04,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-03 14:21:04,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:04,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:04,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-03 14:21:04,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:21:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-03 14:21:04,955 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:21:04,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939959935] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:21:04,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:21:04,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-03 14:21:04,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065002467] [2025-03-03 14:21:04,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:21:04,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:21:04,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:21:04,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:21:04,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-03 14:21:04,957 INFO L87 Difference]: Start difference. First operand 403 states and 630 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:21:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:21:05,038 INFO L93 Difference]: Finished difference Result 795 states and 1249 transitions. [2025-03-03 14:21:05,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:21:05,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2025-03-03 14:21:05,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:21:05,041 INFO L225 Difference]: With dead ends: 795 [2025-03-03 14:21:05,041 INFO L226 Difference]: Without dead ends: 405 [2025-03-03 14:21:05,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-03 14:21:05,046 INFO L435 NwaCegarLoop]: 491 mSDtfsCounter, 2 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1947 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 [2025-03-03 14:21:05,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1947 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:21:05,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-03-03 14:21:05,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-03-03 14:21:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 316 states have (on average 1.5759493670886076) internal successors, (498), 320 states have internal predecessors, (498), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2025-03-03 14:21:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 636 transitions. [2025-03-03 14:21:05,071 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 636 transitions. Word has length 107 [2025-03-03 14:21:05,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:21:05,071 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 636 transitions. [2025-03-03 14:21:05,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:21:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 636 transitions. [2025-03-03 14:21:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-03 14:21:05,074 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:21:05,074 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-03 14:21:05,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-03 14:21:05,274 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 [2025-03-03 14:21:05,275 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:21:05,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:21:05,275 INFO L85 PathProgramCache]: Analyzing trace with hash -338671126, now seen corresponding path program 1 times [2025-03-03 14:21:05,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:21:05,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687055139] [2025-03-03 14:21:05,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:21:05,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:21:05,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-03 14:21:05,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-03 14:21:05,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:21:05,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:21:05,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:21:05,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687055139] [2025-03-03 14:21:05,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687055139] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:21:05,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:21:05,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:21:05,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414361149] [2025-03-03 14:21:05,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:21:05,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:21:05,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:21:05,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:21:05,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:21:05,395 INFO L87 Difference]: Start difference. First operand 405 states and 636 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:21:05,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:21:05,433 INFO L93 Difference]: Finished difference Result 787 states and 1240 transitions. [2025-03-03 14:21:05,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:21:05,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2025-03-03 14:21:05,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:21:05,436 INFO L225 Difference]: With dead ends: 787 [2025-03-03 14:21:05,436 INFO L226 Difference]: Without dead ends: 405 [2025-03-03 14:21:05,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:21:05,438 INFO L435 NwaCegarLoop]: 494 mSDtfsCounter, 2 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:21:05,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1965 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:21:05,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-03-03 14:21:05,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-03-03 14:21:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 316 states have (on average 1.5759493670886076) internal successors, (498), 320 states have internal predecessors, (498), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2025-03-03 14:21:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 635 transitions. [2025-03-03 14:21:05,457 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 635 transitions. Word has length 108 [2025-03-03 14:21:05,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:21:05,457 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 635 transitions. [2025-03-03 14:21:05,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-03 14:21:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 635 transitions. [2025-03-03 14:21:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-03 14:21:05,459 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:21:05,460 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:21:05,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 14:21:05,460 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:21:05,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:21:05,460 INFO L85 PathProgramCache]: Analyzing trace with hash 972458953, now seen corresponding path program 2 times [2025-03-03 14:21:05,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:21:05,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025167655] [2025-03-03 14:21:05,461 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-03 14:21:05,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:21:05,488 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-03 14:21:05,494 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 49 of 109 statements. [2025-03-03 14:21:05,494 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-03 14:21:05,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:21:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-03 14:21:05,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:21:05,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025167655] [2025-03-03 14:21:05,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025167655] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:21:05,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:21:05,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 14:21:05,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736155227] [2025-03-03 14:21:05,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:21:05,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 14:21:05,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:21:05,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 14:21:05,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-03 14:21:05,590 INFO L87 Difference]: Start difference. First operand 405 states and 635 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-03 14:21:05,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:21:05,623 INFO L93 Difference]: Finished difference Result 405 states and 635 transitions. [2025-03-03 14:21:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 14:21:05,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2025-03-03 14:21:05,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:21:05,625 INFO L225 Difference]: With dead ends: 405 [2025-03-03 14:21:05,625 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 14:21:05,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-03 14:21:05,628 INFO L435 NwaCegarLoop]: 495 mSDtfsCounter, 0 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2961 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:21:05,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2961 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:21:05,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 14:21:05,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 14:21:05,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 14:21:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 14:21:05,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2025-03-03 14:21:05,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:21:05,631 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 14:21:05,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-03 14:21:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 14:21:05,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 14:21:05,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:21:05,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 14:21:05,636 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-03-03 14:21:05,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 14:21:05,722 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:21:05,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:21:05 BoogieIcfgContainer [2025-03-03 14:21:05,734 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:21:05,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:21:05,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:21:05,734 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:21:05,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:21:00" (3/4) ... [2025-03-03 14:21:05,737 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 14:21:05,742 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-03-03 14:21:05,742 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-03-03 14:21:05,742 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-03-03 14:21:05,742 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-03-03 14:21:05,742 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-03-03 14:21:05,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-03-03 14:21:05,744 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-03-03 14:21:05,744 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-03-03 14:21:05,744 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-03-03 14:21:05,744 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-03-03 14:21:05,744 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-03-03 14:21:05,744 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-03-03 14:21:05,764 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2025-03-03 14:21:05,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2025-03-03 14:21:05,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-03 14:21:05,768 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 14:21:05,769 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:21:05,770 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:21:05,893 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:21:05,894 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:21:05,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:21:05,895 INFO L158 Benchmark]: Toolchain (without parser) took 6573.89ms. Allocated memory is still 167.8MB. Free memory was 131.4MB in the beginning and 48.5MB in the end (delta: 82.9MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2025-03-03 14:21:05,895 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:21:05,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.35ms. Allocated memory is still 167.8MB. Free memory was 131.4MB in the beginning and 93.4MB in the end (delta: 38.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-03 14:21:05,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.70ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 88.5MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:21:05,896 INFO L158 Benchmark]: Boogie Preprocessor took 69.12ms. Allocated memory is still 167.8MB. Free memory was 88.5MB in the beginning and 83.5MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:21:05,896 INFO L158 Benchmark]: IcfgBuilder took 926.06ms. Allocated memory is still 167.8MB. Free memory was 83.5MB in the beginning and 93.6MB in the end (delta: -10.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-03 14:21:05,897 INFO L158 Benchmark]: TraceAbstraction took 4843.26ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 65.3MB in the end (delta: 27.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2025-03-03 14:21:05,897 INFO L158 Benchmark]: Witness Printer took 159.64ms. Allocated memory is still 167.8MB. Free memory was 65.3MB in the beginning and 48.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:21:05,899 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.35ms. Allocated memory is still 167.8MB. Free memory was 131.4MB in the beginning and 93.4MB in the end (delta: 38.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.70ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 88.5MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.12ms. Allocated memory is still 167.8MB. Free memory was 88.5MB in the beginning and 83.5MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 926.06ms. Allocated memory is still 167.8MB. Free memory was 83.5MB in the beginning and 93.6MB in the end (delta: -10.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4843.26ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 65.3MB in the end (delta: 27.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 159.64ms. Allocated memory is still 167.8MB. Free memory was 65.3MB in the beginning and 48.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [48] - GenericResultAtLocation [Line: 81]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [81] - GenericResultAtLocation [Line: 119]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [119] - GenericResultAtLocation [Line: 411]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [411] - GenericResultAtLocation [Line: 428]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [428] - GenericResultAtLocation [Line: 437]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [437] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [501] - GenericResultAtLocation [Line: 867]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [867] - GenericResultAtLocation [Line: 1100]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1100] - GenericResultAtLocation [Line: 2173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2173] - GenericResultAtLocation [Line: 2580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2580] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 433]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 335 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 11313 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7814 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3499 mSDtfsCounter, 152 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 547 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1239 NumberOfCodeBlocks, 1179 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1227 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4800 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 335/353 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-03 14:21:05,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE