./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_product39.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 d13022ac5777526b0e211d2bc2c4786b4fd03965aed567ff73b5cfbb8c2cd97a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:30:43,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:30:43,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:30:43,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:30:43,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:30:43,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:30:43,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:30:43,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:30:43,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:30:43,678 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:30:43,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:30:43,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:30:43,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:30:43,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:30:43,680 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:30:43,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:30:43,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:30:43,681 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 -> d13022ac5777526b0e211d2bc2c4786b4fd03965aed567ff73b5cfbb8c2cd97a [2025-03-08 05:30:43,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:30:43,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:30:43,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:30:43,912 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:30:43,912 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:30:43,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product39.cil.c [2025-03-08 05:30:45,050 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a4c3d41a/db89677e51f1422c829e4fd8d7dfa807/FLAG8cb90a6c5 [2025-03-08 05:30:45,338 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:30:45,338 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product39.cil.c [2025-03-08 05:30:45,352 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a4c3d41a/db89677e51f1422c829e4fd8d7dfa807/FLAG8cb90a6c5 [2025-03-08 05:30:45,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a4c3d41a/db89677e51f1422c829e4fd8d7dfa807 [2025-03-08 05:30:45,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:30:45,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:30:45,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:30:45,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:30:45,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:30:45,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:45,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c7e046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45, skipping insertion in model container [2025-03-08 05:30:45,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:45,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:30:45,691 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_product39.cil.c[17959,17972] [2025-03-08 05:30:45,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:30:45,841 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:30:45,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2025-03-08 05:30:45,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [380] [2025-03-08 05:30:45,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [415] [2025-03-08 05:30:45,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [436] [2025-03-08 05:30:45,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [802] [2025-03-08 05:30:45,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [811] [2025-03-08 05:30:45,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1880] [2025-03-08 05:30:45,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1897] [2025-03-08 05:30:45,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2309] [2025-03-08 05:30:45,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2548] [2025-03-08 05:30:45,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2767] [2025-03-08 05:30:45,886 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_product39.cil.c[17959,17972] [2025-03-08 05:30:45,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:30:45,963 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:30:45,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45 WrapperNode [2025-03-08 05:30:45,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:30:45,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:30:45,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:30:45,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:30:45,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:45,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,037 INFO L138 Inliner]: procedures = 124, calls = 177, calls flagged for inlining = 47, calls inlined = 43, statements flattened = 809 [2025-03-08 05:30:46,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:30:46,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:30:46,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:30:46,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:30:46,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,091 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]. [2025-03-08 05:30:46,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:30:46,128 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:30:46,129 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:30:46,129 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:30:46,130 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (1/1) ... [2025-03-08 05:30:46,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:30:46,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:30:46,156 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) [2025-03-08 05:30:46,163 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 [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-08 05:30:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:30:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-08 05:30:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:30:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:30:46,335 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:30:46,337 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:30:46,433 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1469-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~16#1; [2025-03-08 05:30:46,433 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1514: #res#1 := ~retValue_acc~17#1; [2025-03-08 05:30:46,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2828-1: createEmail_#res#1 := createEmail_~retValue_acc~42#1; [2025-03-08 05:30:46,456 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L966: #res := ~retValue_acc~9; [2025-03-08 05:30:46,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2027: #res := ~retValue_acc~27; [2025-03-08 05:30:46,561 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1292: #res := ~retValue_acc~13; [2025-03-08 05:30:46,636 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1857-1: getClientId_#res#1 := getClientId_~retValue_acc~22#1; [2025-03-08 05:30:46,636 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1375-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~14#1; [2025-03-08 05:30:46,842 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2465-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~36#1; [2025-03-08 05:30:46,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~38#1; [2025-03-08 05:30:46,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1577-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~18#1; [2025-03-08 05:30:46,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2474-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~37#1; [2025-03-08 05:30:46,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L412-1: valid_product_#res#1 := valid_product_~retValue_acc~2#1; [2025-03-08 05:30:46,843 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1684-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~19#1; [2025-03-08 05:30:46,847 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1990: #res := ~retValue_acc~26; [2025-03-08 05:30:46,849 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2804: #res := ~retValue_acc~40; [2025-03-08 05:30:46,955 INFO L? ?]: Removed 392 outVars from TransFormulas that were not future-live. [2025-03-08 05:30:46,955 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:30:46,974 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:30:46,974 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:30:46,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:30:46 BoogieIcfgContainer [2025-03-08 05:30:46,974 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:30:46,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:30:46,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:30:46,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:30:46,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:30:45" (1/3) ... [2025-03-08 05:30:46,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fac43df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:30:46, skipping insertion in model container [2025-03-08 05:30:46,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:30:45" (2/3) ... [2025-03-08 05:30:46,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fac43df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:30:46, skipping insertion in model container [2025-03-08 05:30:46,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:30:46" (3/3) ... [2025-03-08 05:30:46,982 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product39.cil.c [2025-03-08 05:30:46,991 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:30:46,994 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product39.cil.c that has 20 procedures, 307 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 05:30:47,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:30:47,063 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;@18c42cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:30:47,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:30:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 307 states, 240 states have (on average 1.575) internal successors, (378), 243 states have internal predecessors, (378), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-08 05:30:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-08 05:30:47,083 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:30:47,084 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] [2025-03-08 05:30:47,084 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:30:47,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:30:47,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1438097493, now seen corresponding path program 1 times [2025-03-08 05:30:47,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:30:47,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289712472] [2025-03-08 05:30:47,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:30:47,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 05:30:47,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 05:30:47,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:47,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-08 05:30:47,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:30:47,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289712472] [2025-03-08 05:30:47,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289712472] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:30:47,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858298696] [2025-03-08 05:30:47,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:47,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:30:47,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:30:47,618 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) [2025-03-08 05:30:47,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 05:30:47,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 05:30:47,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 05:30:47,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:47,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:47,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 05:30:47,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:30:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-08 05:30:47,905 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:30:47,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858298696] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:30:47,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:30:47,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:30:47,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657295027] [2025-03-08 05:30:47,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:30:47,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:30:47,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:30:47,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:30:47,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:30:47,929 INFO L87 Difference]: Start difference. First operand has 307 states, 240 states have (on average 1.575) internal successors, (378), 243 states have internal predecessors, (378), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2025-03-08 05:30:47,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:30:47,984 INFO L93 Difference]: Finished difference Result 424 states and 636 transitions. [2025-03-08 05:30:47,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:30:47,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 [2025-03-08 05:30:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:30:47,994 INFO L225 Difference]: With dead ends: 424 [2025-03-08 05:30:47,994 INFO L226 Difference]: Without dead ends: 301 [2025-03-08 05:30:47,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:30:47,999 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 0 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:30:47,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 929 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:30:48,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-03-08 05:30:48,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2025-03-08 05:30:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 235 states have (on average 1.5702127659574467) internal successors, (369), 237 states have internal predecessors, (369), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2025-03-08 05:30:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 460 transitions. [2025-03-08 05:30:48,047 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 460 transitions. Word has length 96 [2025-03-08 05:30:48,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:30:48,049 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 460 transitions. [2025-03-08 05:30:48,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2025-03-08 05:30:48,049 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 460 transitions. [2025-03-08 05:30:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-08 05:30:48,054 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:30:48,054 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, 1, 1, 1, 1, 1, 1] [2025-03-08 05:30:48,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 05:30:48,255 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 [2025-03-08 05:30:48,255 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:30:48,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:30:48,256 INFO L85 PathProgramCache]: Analyzing trace with hash -865678121, now seen corresponding path program 1 times [2025-03-08 05:30:48,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:30:48,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389188469] [2025-03-08 05:30:48,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:48,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:30:48,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-08 05:30:48,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-08 05:30:48,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:48,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:48,477 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 05:30:48,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:30:48,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389188469] [2025-03-08 05:30:48,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389188469] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:30:48,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699663990] [2025-03-08 05:30:48,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:48,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:30:48,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:30:48,481 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) [2025-03-08 05:30:48,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 05:30:48,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-08 05:30:48,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-08 05:30:48,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:48,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:48,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:30:48,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:30:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-08 05:30:48,746 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:30:48,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699663990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:30:48,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:30:48,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:30:48,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168726175] [2025-03-08 05:30:48,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:30:48,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:30:48,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:30:48,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:30:48,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:30:48,748 INFO L87 Difference]: Start difference. First operand 301 states and 460 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2025-03-08 05:30:48,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:30:48,784 INFO L93 Difference]: Finished difference Result 649 states and 1011 transitions. [2025-03-08 05:30:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:30:48,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 103 [2025-03-08 05:30:48,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:30:48,789 INFO L225 Difference]: With dead ends: 649 [2025-03-08 05:30:48,789 INFO L226 Difference]: Without dead ends: 374 [2025-03-08 05:30:48,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:30:48,795 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 134 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 875 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 [2025-03-08 05:30:48,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 875 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:30:48,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-03-08 05:30:48,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 366. [2025-03-08 05:30:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 286 states have (on average 1.5944055944055944) internal successors, (456), 288 states have internal predecessors, (456), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2025-03-08 05:30:48,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 575 transitions. [2025-03-08 05:30:48,820 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 575 transitions. Word has length 103 [2025-03-08 05:30:48,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:30:48,821 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 575 transitions. [2025-03-08 05:30:48,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2025-03-08 05:30:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 575 transitions. [2025-03-08 05:30:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-08 05:30:48,824 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:30:48,824 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:30:48,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 05:30:49,028 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 [2025-03-08 05:30:49,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:30:49,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:30:49,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2145120160, now seen corresponding path program 1 times [2025-03-08 05:30:49,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:30:49,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198805395] [2025-03-08 05:30:49,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:49,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:30:49,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-08 05:30:49,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-08 05:30:49,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:49,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 05:30:49,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:30:49,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198805395] [2025-03-08 05:30:49,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198805395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:30:49,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324592068] [2025-03-08 05:30:49,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:49,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:30:49,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:30:49,198 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) [2025-03-08 05:30:49,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 05:30:49,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-08 05:30:49,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-08 05:30:49,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:49,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:49,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-08 05:30:49,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:30:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 05:30:49,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:30:49,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324592068] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:30:49,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:30:49,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-08 05:30:49,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918881388] [2025-03-08 05:30:49,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:30:49,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:30:49,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:30:49,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:30:49,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:30:49,468 INFO L87 Difference]: Start difference. First operand 366 states and 575 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2025-03-08 05:30:49,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:30:49,521 INFO L93 Difference]: Finished difference Result 723 states and 1140 transitions. [2025-03-08 05:30:49,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:30:49,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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 104 [2025-03-08 05:30:49,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:30:49,525 INFO L225 Difference]: With dead ends: 723 [2025-03-08 05:30:49,526 INFO L226 Difference]: Without dead ends: 368 [2025-03-08 05:30:49,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:30:49,528 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 2 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1793 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 [2025-03-08 05:30:49,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1793 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:30:49,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-08 05:30:49,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2025-03-08 05:30:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 287 states have (on average 1.5923344947735192) internal successors, (457), 290 states have internal predecessors, (457), 60 states have call successors, (60), 19 states have call predecessors, (60), 20 states have return successors, (61), 58 states have call predecessors, (61), 59 states have call successors, (61) [2025-03-08 05:30:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 578 transitions. [2025-03-08 05:30:49,565 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 578 transitions. Word has length 104 [2025-03-08 05:30:49,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:30:49,567 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 578 transitions. [2025-03-08 05:30:49,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2025-03-08 05:30:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 578 transitions. [2025-03-08 05:30:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-08 05:30:49,570 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:30:49,570 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:30:49,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 05:30:49,771 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 [2025-03-08 05:30:49,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:30:49,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:30:49,772 INFO L85 PathProgramCache]: Analyzing trace with hash -398014296, now seen corresponding path program 1 times [2025-03-08 05:30:49,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:30:49,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639669811] [2025-03-08 05:30:49,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:49,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:30:49,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 05:30:49,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 05:30:49,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:49,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-08 05:30:49,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:30:49,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639669811] [2025-03-08 05:30:49,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639669811] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:30:49,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81356628] [2025-03-08 05:30:49,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:49,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:30:49,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:30:49,937 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) [2025-03-08 05:30:49,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 05:30:50,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 05:30:50,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 05:30:50,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:50,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:50,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 05:30:50,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:30:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-08 05:30:50,182 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:30:50,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81356628] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:30:50,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:30:50,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-08 05:30:50,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345913682] [2025-03-08 05:30:50,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:30:50,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:30:50,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:30:50,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:30:50,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:30:50,184 INFO L87 Difference]: Start difference. First operand 368 states and 578 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2025-03-08 05:30:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:30:50,233 INFO L93 Difference]: Finished difference Result 725 states and 1145 transitions. [2025-03-08 05:30:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:30:50,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 105 [2025-03-08 05:30:50,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:30:50,236 INFO L225 Difference]: With dead ends: 725 [2025-03-08 05:30:50,236 INFO L226 Difference]: Without dead ends: 370 [2025-03-08 05:30:50,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:30:50,238 INFO L435 NwaCegarLoop]: 449 mSDtfsCounter, 2 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1779 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 [2025-03-08 05:30:50,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1779 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:30:50,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-03-08 05:30:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2025-03-08 05:30:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 288 states have (on average 1.5902777777777777) internal successors, (458), 292 states have internal predecessors, (458), 60 states have call successors, (60), 19 states have call predecessors, (60), 21 states have return successors, (66), 58 states have call predecessors, (66), 59 states have call successors, (66) [2025-03-08 05:30:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 584 transitions. [2025-03-08 05:30:50,256 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 584 transitions. Word has length 105 [2025-03-08 05:30:50,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:30:50,256 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 584 transitions. [2025-03-08 05:30:50,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2025-03-08 05:30:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 584 transitions. [2025-03-08 05:30:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-08 05:30:50,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:30:50,258 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:30:50,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 05:30:50,458 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 [2025-03-08 05:30:50,459 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:30:50,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:30:50,459 INFO L85 PathProgramCache]: Analyzing trace with hash 592915928, now seen corresponding path program 1 times [2025-03-08 05:30:50,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:30:50,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512110711] [2025-03-08 05:30:50,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:30:50,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:30:50,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-08 05:30:50,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-08 05:30:50,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:30:50,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 05:30:50,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:30:50,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512110711] [2025-03-08 05:30:50,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512110711] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:30:50,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:30:50,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:30:50,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499288943] [2025-03-08 05:30:50,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:30:50,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:30:50,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:30:50,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:30:50,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:30:50,622 INFO L87 Difference]: Start difference. First operand 370 states and 584 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2025-03-08 05:30:50,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:30:50,672 INFO L93 Difference]: Finished difference Result 717 states and 1136 transitions. [2025-03-08 05:30:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:30:50,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 106 [2025-03-08 05:30:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:30:50,675 INFO L225 Difference]: With dead ends: 717 [2025-03-08 05:30:50,675 INFO L226 Difference]: Without dead ends: 370 [2025-03-08 05:30:50,676 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 [2025-03-08 05:30:50,677 INFO L435 NwaCegarLoop]: 452 mSDtfsCounter, 2 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1797 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 [2025-03-08 05:30:50,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1797 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:30:50,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-03-08 05:30:50,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2025-03-08 05:30:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 288 states have (on average 1.5902777777777777) internal successors, (458), 292 states have internal predecessors, (458), 60 states have call successors, (60), 19 states have call predecessors, (60), 21 states have return successors, (65), 58 states have call predecessors, (65), 59 states have call successors, (65) [2025-03-08 05:30:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 583 transitions. [2025-03-08 05:30:50,691 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 583 transitions. Word has length 106 [2025-03-08 05:30:50,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:30:50,691 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 583 transitions. [2025-03-08 05:30:50,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2025-03-08 05:30:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 583 transitions. [2025-03-08 05:30:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-08 05:30:50,693 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:30:50,693 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] [2025-03-08 05:30:50,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 05:30:50,693 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:30:50,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:30:50,693 INFO L85 PathProgramCache]: Analyzing trace with hash -2146833346, now seen corresponding path program 2 times [2025-03-08 05:30:50,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:30:50,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892056015] [2025-03-08 05:30:50,694 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:30:50,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:30:50,713 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 107 statements into 2 equivalence classes. [2025-03-08 05:30:50,719 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 48 of 107 statements. [2025-03-08 05:30:50,719 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 05:30:50,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:30:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-03-08 05:30:50,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:30:50,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892056015] [2025-03-08 05:30:50,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892056015] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:30:50,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:30:50,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 05:30:50,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056183702] [2025-03-08 05:30:50,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:30:50,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 05:30:50,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:30:50,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 05:30:50,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 05:30:50,799 INFO L87 Difference]: Start difference. First operand 370 states and 583 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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) [2025-03-08 05:30:50,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:30:50,827 INFO L93 Difference]: Finished difference Result 370 states and 583 transitions. [2025-03-08 05:30:50,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 05:30:50,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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 107 [2025-03-08 05:30:50,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:30:50,829 INFO L225 Difference]: With dead ends: 370 [2025-03-08 05:30:50,829 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 05:30:50,830 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 [2025-03-08 05:30:50,830 INFO L435 NwaCegarLoop]: 453 mSDtfsCounter, 0 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2709 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 [2025-03-08 05:30:50,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2709 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:30:50,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 05:30:50,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 05:30:50,831 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) [2025-03-08 05:30:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 05:30:50,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2025-03-08 05:30:50,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:30:50,831 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 05:30:50,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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) [2025-03-08 05:30:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 05:30:50,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 05:30:50,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 05:30:50,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 05:30:50,835 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2025-03-08 05:30:50,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 05:30:50,905 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 05:30:50,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 05:30:50 BoogieIcfgContainer [2025-03-08 05:30:50,916 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 05:30:50,916 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 05:30:50,916 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 05:30:50,916 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 05:30:50,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:30:46" (3/4) ... [2025-03-08 05:30:50,918 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-03-08 05:30:50,923 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-03-08 05:30:50,941 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2025-03-08 05:30:50,943 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2025-03-08 05:30:50,944 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-08 05:30:50,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 05:30:50,946 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:30:50,947 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:30:51,058 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 05:30:51,059 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 05:30:51,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 05:30:51,059 INFO L158 Benchmark]: Toolchain (without parser) took 5692.70ms. Allocated memory is still 201.3MB. Free memory was 151.8MB in the beginning and 139.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2025-03-08 05:30:51,059 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:30:51,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.15ms. Allocated memory is still 201.3MB. Free memory was 151.8MB in the beginning and 114.9MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 05:30:51,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.28ms. Allocated memory is still 201.3MB. Free memory was 114.9MB in the beginning and 110.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:30:51,060 INFO L158 Benchmark]: Boogie Preprocessor took 80.15ms. Allocated memory is still 201.3MB. Free memory was 110.1MB in the beginning and 105.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:30:51,060 INFO L158 Benchmark]: IcfgBuilder took 845.95ms. Allocated memory is still 201.3MB. Free memory was 105.6MB in the beginning and 135.1MB in the end (delta: -29.6MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2025-03-08 05:30:51,060 INFO L158 Benchmark]: TraceAbstraction took 3939.83ms. Allocated memory is still 201.3MB. Free memory was 135.1MB in the beginning and 155.1MB in the end (delta: -20.0MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2025-03-08 05:30:51,060 INFO L158 Benchmark]: Witness Printer took 142.52ms. Allocated memory is still 201.3MB. Free memory was 155.1MB in the beginning and 139.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:30:51,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.15ms. Allocated memory is still 201.3MB. Free memory was 151.8MB in the beginning and 114.9MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.28ms. Allocated memory is still 201.3MB. Free memory was 114.9MB in the beginning and 110.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.15ms. Allocated memory is still 201.3MB. Free memory was 110.1MB in the beginning and 105.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 845.95ms. Allocated memory is still 201.3MB. Free memory was 105.6MB in the beginning and 135.1MB in the end (delta: -29.6MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3939.83ms. Allocated memory is still 201.3MB. Free memory was 135.1MB in the beginning and 155.1MB in the end (delta: -20.0MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Witness Printer took 142.52ms. Allocated memory is still 201.3MB. Free memory was 155.1MB in the beginning and 139.1MB in the end (delta: 16.1MB). 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,"Test.i","") [48] - GenericResultAtLocation [Line: 380]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [380] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [415] - GenericResultAtLocation [Line: 436]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [436] - GenericResultAtLocation [Line: 802]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [802] - GenericResultAtLocation [Line: 811]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [811] - GenericResultAtLocation [Line: 1880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1880] - GenericResultAtLocation [Line: 1897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1897] - GenericResultAtLocation [Line: 2309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2309] - GenericResultAtLocation [Line: 2548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2548] - GenericResultAtLocation [Line: 2767]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2767] * 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: 807]: 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 20 procedures, 307 locations, 516 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 9882 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7147 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2735 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 440 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=370occurred in iteration=4, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1029 NumberOfCodeBlocks, 970 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1019 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3819 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 274/289 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! [2025-03-08 05:30:51,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE