./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 dc94b11b9bf104a1982bd595975574e7febd0128133afbc196759ccbde82033d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:50:05,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:50:05,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:50:05,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:50:05,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:50:05,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:50:05,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:50:05,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:50:05,454 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:50:05,454 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:50:05,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:50:05,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:50:05,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:50:05,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:50:05,456 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:50:05,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:50:05,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:50:05,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:50:05,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:50:05,457 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-jdk21/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 -> dc94b11b9bf104a1982bd595975574e7febd0128133afbc196759ccbde82033d [2025-01-09 03:50:05,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:50:05,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:50:05,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:50:05,658 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:50:05,658 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:50:05,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2025-01-09 03:50:06,815 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbe30963f/78da5d31c1ca4f8eb8b5a720f3bd6023/FLAGa8097b9ac [2025-01-09 03:50:07,205 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:50:07,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2025-01-09 03:50:07,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbe30963f/78da5d31c1ca4f8eb8b5a720f3bd6023/FLAGa8097b9ac [2025-01-09 03:50:07,399 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbe30963f/78da5d31c1ca4f8eb8b5a720f3bd6023 [2025-01-09 03:50:07,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:50:07,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:50:07,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:50:07,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:50:07,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:50:07,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:07,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f809624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07, skipping insertion in model container [2025-01-09 03:50:07,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:07,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:50:07,776 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2025-01-09 03:50:07,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:50:07,861 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:50:07,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2025-01-09 03:50:07,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] [2025-01-09 03:50:07,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [115] [2025-01-09 03:50:07,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [481] [2025-01-09 03:50:07,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [588] [2025-01-09 03:50:07,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [609] [2025-01-09 03:50:07,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1689] [2025-01-09 03:50:07,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1698] [2025-01-09 03:50:07,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2003] [2025-01-09 03:50:07,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2222] [2025-01-09 03:50:07,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2626] [2025-01-09 03:50:07,925 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2025-01-09 03:50:07,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:50:07,969 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:50:07,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07 WrapperNode [2025-01-09 03:50:07,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:50:07,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:50:07,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:50:07,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:50:07,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:07,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,035 INFO L138 Inliner]: procedures = 130, calls = 199, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 982 [2025-01-09 03:50:08,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:50:08,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:50:08,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:50:08,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:50:08,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,061 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]. [2025-01-09 03:50:08,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,076 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:50:08,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:50:08,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:50:08,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:50:08,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (1/1) ... [2025-01-09 03:50:08,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:50:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:08,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 03:50:08,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-01-09 03:50:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-01-09 03:50:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-01-09 03:50:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-01-09 03:50:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-01-09 03:50:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-01-09 03:50:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-01-09 03:50:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-01-09 03:50:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-01-09 03:50:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-01-09 03:50:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-01-09 03:50:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:50:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:50:08,324 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:50:08,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:50:08,973 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2025-01-09 03:50:08,973 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:50:08,990 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:50:08,993 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 03:50:08,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:50:08 BoogieIcfgContainer [2025-01-09 03:50:08,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:50:08,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:50:08,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:50:08,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:50:08,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:50:07" (1/3) ... [2025-01-09 03:50:09,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3bcfdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:50:09, skipping insertion in model container [2025-01-09 03:50:09,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:50:07" (2/3) ... [2025-01-09 03:50:09,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3bcfdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:50:09, skipping insertion in model container [2025-01-09 03:50:09,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:50:08" (3/3) ... [2025-01-09 03:50:09,002 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product23.cil.c [2025-01-09 03:50:09,012 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:50:09,015 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product23.cil.c that has 22 procedures, 361 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 03:50:09,086 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:50:09,095 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;@3d35d725, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:50:09,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:50:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 361 states, 288 states have (on average 1.5798611111111112) internal successors, (455), 291 states have internal predecessors, (455), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-09 03:50:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 03:50:09,119 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:09,120 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:09,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:09,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:09,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1701515856, now seen corresponding path program 1 times [2025-01-09 03:50:09,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:09,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045725787] [2025-01-09 03:50:09,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:09,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 03:50:09,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 03:50:09,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:09,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-09 03:50:09,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:09,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045725787] [2025-01-09 03:50:09,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045725787] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:09,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293185598] [2025-01-09 03:50:09,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:09,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:09,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:09,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:50:09,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 03:50:09,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 03:50:09,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 03:50:09,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:09,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:09,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 03:50:09,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-09 03:50:09,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:09,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293185598] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:09,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:09,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:50:09,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893494401] [2025-01-09 03:50:09,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:09,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:50:09,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:10,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:50:10,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:50:10,008 INFO L87 Difference]: Start difference. First operand has 361 states, 288 states have (on average 1.5798611111111112) internal successors, (455), 291 states have internal predecessors, (455), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 03:50:10,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:10,059 INFO L93 Difference]: Finished difference Result 532 states and 806 transitions. [2025-01-09 03:50:10,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:50:10,061 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2025-01-09 03:50:10,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:10,067 INFO L225 Difference]: With dead ends: 532 [2025-01-09 03:50:10,067 INFO L226 Difference]: Without dead ends: 356 [2025-01-09 03:50:10,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:50:10,072 INFO L435 NwaCegarLoop]: 550 mSDtfsCounter, 1 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:50:10,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1097 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:10,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-01-09 03:50:10,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 355. [2025-01-09 03:50:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 283 states have (on average 1.5759717314487633) internal successors, (446), 285 states have internal predecessors, (446), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2025-01-09 03:50:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 545 transitions. [2025-01-09 03:50:10,118 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 545 transitions. Word has length 107 [2025-01-09 03:50:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:10,134 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 545 transitions. [2025-01-09 03:50:10,134 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 03:50:10,134 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 545 transitions. [2025-01-09 03:50:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 03:50:10,142 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:10,142 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:10,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 03:50:10,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 03:50:10,343 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:10,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:10,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1912747139, now seen corresponding path program 1 times [2025-01-09 03:50:10,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:10,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43029676] [2025-01-09 03:50:10,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:10,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 03:50:10,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 03:50:10,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:10,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-09 03:50:10,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:10,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43029676] [2025-01-09 03:50:10,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43029676] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:10,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395607801] [2025-01-09 03:50:10,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:10,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:10,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:50:10,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 03:50:10,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 03:50:10,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 03:50:10,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:10,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:10,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:50:10,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-09 03:50:10,938 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:10,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395607801] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:10,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:10,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:50:10,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862095003] [2025-01-09 03:50:10,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:10,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:50:10,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:10,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:50:10,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:50:10,939 INFO L87 Difference]: Start difference. First operand 355 states and 545 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 03:50:10,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:10,991 INFO L93 Difference]: Finished difference Result 758 states and 1182 transitions. [2025-01-09 03:50:10,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:50:10,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2025-01-09 03:50:10,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:10,995 INFO L225 Difference]: With dead ends: 758 [2025-01-09 03:50:10,995 INFO L226 Difference]: Without dead ends: 429 [2025-01-09 03:50:10,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:50:11,000 INFO L435 NwaCegarLoop]: 557 mSDtfsCounter, 134 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1055 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 [2025-01-09 03:50:11,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1055 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-01-09 03:50:11,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 421. [2025-01-09 03:50:11,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 335 states have (on average 1.5940298507462687) internal successors, (534), 337 states have internal predecessors, (534), 64 states have call successors, (64), 21 states have call predecessors, (64), 21 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2025-01-09 03:50:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 661 transitions. [2025-01-09 03:50:11,026 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 661 transitions. Word has length 115 [2025-01-09 03:50:11,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:11,026 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 661 transitions. [2025-01-09 03:50:11,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 03:50:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 661 transitions. [2025-01-09 03:50:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 03:50:11,028 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:11,028 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:11,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 03:50:11,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:11,229 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:11,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:11,230 INFO L85 PathProgramCache]: Analyzing trace with hash 395388047, now seen corresponding path program 1 times [2025-01-09 03:50:11,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:11,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781069243] [2025-01-09 03:50:11,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:11,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:11,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 03:50:11,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 03:50:11,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:11,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-09 03:50:11,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:11,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781069243] [2025-01-09 03:50:11,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781069243] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:11,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581396867] [2025-01-09 03:50:11,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:11,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:11,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:11,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:50:11,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 03:50:11,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 03:50:11,705 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 03:50:11,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:11,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:11,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 03:50:11,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-09 03:50:11,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:11,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581396867] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:11,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:11,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-01-09 03:50:11,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332663908] [2025-01-09 03:50:11,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:11,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:50:11,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:11,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:50:11,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:50:11,757 INFO L87 Difference]: Start difference. First operand 421 states and 661 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 03:50:11,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:11,802 INFO L93 Difference]: Finished difference Result 833 states and 1312 transitions. [2025-01-09 03:50:11,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:50:11,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 116 [2025-01-09 03:50:11,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:11,808 INFO L225 Difference]: With dead ends: 833 [2025-01-09 03:50:11,808 INFO L226 Difference]: Without dead ends: 423 [2025-01-09 03:50:11,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:50:11,809 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 2 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2133 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 [2025-01-09 03:50:11,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2133 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2025-01-09 03:50:11,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2025-01-09 03:50:11,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 336 states have (on average 1.5922619047619047) internal successors, (535), 339 states have internal predecessors, (535), 64 states have call successors, (64), 21 states have call predecessors, (64), 22 states have return successors, (65), 62 states have call predecessors, (65), 63 states have call successors, (65) [2025-01-09 03:50:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 664 transitions. [2025-01-09 03:50:11,824 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 664 transitions. Word has length 116 [2025-01-09 03:50:11,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:11,824 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 664 transitions. [2025-01-09 03:50:11,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 03:50:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 664 transitions. [2025-01-09 03:50:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-01-09 03:50:11,826 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:11,826 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:11,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 03:50:12,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:12,028 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:12,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1435760441, now seen corresponding path program 1 times [2025-01-09 03:50:12,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:12,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818271863] [2025-01-09 03:50:12,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:12,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:12,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-09 03:50:12,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-09 03:50:12,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:12,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-09 03:50:12,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:12,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818271863] [2025-01-09 03:50:12,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818271863] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:50:12,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650944071] [2025-01-09 03:50:12,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:12,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:12,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:50:12,192 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:50:12,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 03:50:12,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-09 03:50:12,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-09 03:50:12,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:12,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:12,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 03:50:12,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:50:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-09 03:50:12,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:50:12,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650944071] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:12,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:50:12,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-01-09 03:50:12,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658026791] [2025-01-09 03:50:12,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:12,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:50:12,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:12,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:50:12,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:50:12,526 INFO L87 Difference]: Start difference. First operand 423 states and 664 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 03:50:12,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:12,601 INFO L93 Difference]: Finished difference Result 835 states and 1317 transitions. [2025-01-09 03:50:12,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:50:12,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2025-01-09 03:50:12,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:12,604 INFO L225 Difference]: With dead ends: 835 [2025-01-09 03:50:12,606 INFO L226 Difference]: Without dead ends: 425 [2025-01-09 03:50:12,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:50:12,609 INFO L435 NwaCegarLoop]: 534 mSDtfsCounter, 2 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2119 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 [2025-01-09 03:50:12,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2119 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:12,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-01-09 03:50:12,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2025-01-09 03:50:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 337 states have (on average 1.5905044510385757) internal successors, (536), 341 states have internal predecessors, (536), 64 states have call successors, (64), 21 states have call predecessors, (64), 23 states have return successors, (70), 62 states have call predecessors, (70), 63 states have call successors, (70) [2025-01-09 03:50:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 670 transitions. [2025-01-09 03:50:12,638 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 670 transitions. Word has length 117 [2025-01-09 03:50:12,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:12,639 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 670 transitions. [2025-01-09 03:50:12,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 03:50:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 670 transitions. [2025-01-09 03:50:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-01-09 03:50:12,640 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:12,640 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:12,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 03:50:12,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:50:12,844 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:12,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:12,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1094971633, now seen corresponding path program 1 times [2025-01-09 03:50:12,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:12,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867487397] [2025-01-09 03:50:12,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:50:12,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:12,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-09 03:50:12,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-09 03:50:12,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:50:12,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-09 03:50:13,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:13,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867487397] [2025-01-09 03:50:13,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867487397] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:13,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:50:13,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:50:13,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018937175] [2025-01-09 03:50:13,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:13,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:50:13,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:13,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:50:13,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:50:13,105 INFO L87 Difference]: Start difference. First operand 425 states and 670 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 03:50:13,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:13,211 INFO L93 Difference]: Finished difference Result 827 states and 1308 transitions. [2025-01-09 03:50:13,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:50:13,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2025-01-09 03:50:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:13,214 INFO L225 Difference]: With dead ends: 827 [2025-01-09 03:50:13,214 INFO L226 Difference]: Without dead ends: 425 [2025-01-09 03:50:13,216 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 [2025-01-09 03:50:13,216 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 2 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:50:13,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2137 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:50:13,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-01-09 03:50:13,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2025-01-09 03:50:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 337 states have (on average 1.5905044510385757) internal successors, (536), 341 states have internal predecessors, (536), 64 states have call successors, (64), 21 states have call predecessors, (64), 23 states have return successors, (69), 62 states have call predecessors, (69), 63 states have call successors, (69) [2025-01-09 03:50:13,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 669 transitions. [2025-01-09 03:50:13,229 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 669 transitions. Word has length 118 [2025-01-09 03:50:13,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:13,230 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 669 transitions. [2025-01-09 03:50:13,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-09 03:50:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 669 transitions. [2025-01-09 03:50:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-09 03:50:13,232 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:50:13,232 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 03:50:13,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 03:50:13,232 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:50:13,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:50:13,232 INFO L85 PathProgramCache]: Analyzing trace with hash -419262019, now seen corresponding path program 2 times [2025-01-09 03:50:13,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:50:13,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054647753] [2025-01-09 03:50:13,232 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 03:50:13,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:50:13,255 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-01-09 03:50:13,258 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 43 of 119 statements. [2025-01-09 03:50:13,259 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 03:50:13,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:50:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-01-09 03:50:13,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:50:13,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054647753] [2025-01-09 03:50:13,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054647753] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:50:13,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:50:13,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 03:50:13,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527568441] [2025-01-09 03:50:13,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:50:13,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 03:50:13,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:50:13,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 03:50:13,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-01-09 03:50:13,322 INFO L87 Difference]: Start difference. First operand 425 states and 669 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2025-01-09 03:50:13,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:50:13,351 INFO L93 Difference]: Finished difference Result 425 states and 669 transitions. [2025-01-09 03:50:13,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 03:50:13,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 119 [2025-01-09 03:50:13,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:50:13,352 INFO L225 Difference]: With dead ends: 425 [2025-01-09 03:50:13,352 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 03:50:13,353 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 [2025-01-09 03:50:13,353 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 0 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3219 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 [2025-01-09 03:50:13,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3219 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:50:13,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 03:50:13,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 03:50:13,354 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) [2025-01-09 03:50:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 03:50:13,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2025-01-09 03:50:13,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:50:13,354 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 03:50:13,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2025-01-09 03:50:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 03:50:13,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 03:50:13,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 03:50:13,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 03:50:13,358 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2025-01-09 03:50:13,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 03:50:13,441 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 03:50:13,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:50:13 BoogieIcfgContainer [2025-01-09 03:50:13,452 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 03:50:13,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 03:50:13,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 03:50:13,452 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 03:50:13,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:50:08" (3/4) ... [2025-01-09 03:50:13,454 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 03:50:13,458 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-01-09 03:50:13,458 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-01-09 03:50:13,458 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-01-09 03:50:13,458 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-01-09 03:50:13,458 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-01-09 03:50:13,458 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-01-09 03:50:13,458 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-01-09 03:50:13,459 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-01-09 03:50:13,478 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2025-01-09 03:50:13,480 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2025-01-09 03:50:13,481 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-01-09 03:50:13,482 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 03:50:13,483 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:50:13,484 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 03:50:13,602 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 03:50:13,602 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 03:50:13,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 03:50:13,604 INFO L158 Benchmark]: Toolchain (without parser) took 6199.72ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 104.9MB in the beginning and 141.3MB in the end (delta: -36.4MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. [2025-01-09 03:50:13,604 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:50:13,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.93ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 67.0MB in the end (delta: 37.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-09 03:50:13,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.93ms. Allocated memory is still 142.6MB. Free memory was 67.0MB in the beginning and 61.6MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 03:50:13,605 INFO L158 Benchmark]: Boogie Preprocessor took 68.58ms. Allocated memory is still 142.6MB. Free memory was 61.6MB in the beginning and 55.4MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 03:50:13,605 INFO L158 Benchmark]: RCFGBuilder took 889.33ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 100.9MB in the end (delta: -45.5MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2025-01-09 03:50:13,606 INFO L158 Benchmark]: TraceAbstraction took 4456.21ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 100.1MB in the beginning and 159.7MB in the end (delta: -59.6MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2025-01-09 03:50:13,606 INFO L158 Benchmark]: Witness Printer took 149.82ms. Allocated memory is still 318.8MB. Free memory was 159.7MB in the beginning and 141.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 03:50:13,607 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 167.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.93ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 67.0MB in the end (delta: 37.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.93ms. Allocated memory is still 142.6MB. Free memory was 67.0MB in the beginning and 61.6MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.58ms. Allocated memory is still 142.6MB. Free memory was 61.6MB in the beginning and 55.4MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 889.33ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 100.9MB in the end (delta: -45.5MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4456.21ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 100.1MB in the beginning and 159.7MB in the end (delta: -59.6MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. * Witness Printer took 149.82ms. Allocated memory is still 318.8MB. Free memory was 159.7MB in the beginning and 141.3MB in the end (delta: 18.4MB). 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,"Util.i","") [48] - GenericResultAtLocation [Line: 66]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] - GenericResultAtLocation [Line: 115]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [115] - GenericResultAtLocation [Line: 481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [481] - GenericResultAtLocation [Line: 588]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [588] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [609] - GenericResultAtLocation [Line: 1689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1689] - GenericResultAtLocation [Line: 1698]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1698] - GenericResultAtLocation [Line: 2003]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2003] - GenericResultAtLocation [Line: 2222]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2222] - GenericResultAtLocation [Line: 2626]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2626] * 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: 1694]: 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 22 procedures, 361 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 11760 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8508 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3252 mSDtfsCounter, 155 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 487 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=425occurred 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1071 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1137 ConstructedInterpolants, 0 QuantifiedInterpolants, 1236 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4367 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 304/319 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! [2025-01-09 03:50:13,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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