./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC --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-dev-6497de0 [2024-11-23 23:30:21,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:30:21,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:30:21,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:30:21,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:30:21,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:30:21,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:30:21,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:30:21,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:30:21,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:30:21,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:30:21,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:30:21,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:30:21,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:30:21,238 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:30:21,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:30:21,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:30:21,240 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:30:21,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:30:21,240 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:30:21,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:30:21,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:30:21,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:30:21,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:30:21,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:30:21,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:30:21,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:30:21,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:30:21,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:30:21,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:30:21,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:30:21,243 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:30:21,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:30:21,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:30:21,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:30:21,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:30:21,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:30:21,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:30:21,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:30:21,244 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-23 23:30:21,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:30:21,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:30:21,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:30:21,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:30:21,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:30:21,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2024-11-23 23:30:24,762 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/data/9f801a6fe/0a7a1944738049f4b1f49fe5acb1606d/FLAG685bb4195 [2024-11-23 23:30:25,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:30:25,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2024-11-23 23:30:25,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/data/9f801a6fe/0a7a1944738049f4b1f49fe5acb1606d/FLAG685bb4195 [2024-11-23 23:30:25,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/data/9f801a6fe/0a7a1944738049f4b1f49fe5acb1606d [2024-11-23 23:30:25,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:30:25,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:30:25,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:30:25,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:30:25,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:30:25,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:30:25" (1/1) ... [2024-11-23 23:30:25,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e89ee8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:25, skipping insertion in model container [2024-11-23 23:30:25,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:30:25" (1/1) ... [2024-11-23 23:30:25,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:30:25,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2024-11-23 23:30:26,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:30:26,045 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:30:26,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-23 23:30:26,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] [2024-11-23 23:30:26,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [115] [2024-11-23 23:30:26,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [481] [2024-11-23 23:30:26,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [588] [2024-11-23 23:30:26,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [609] [2024-11-23 23:30:26,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1689] [2024-11-23 23:30:26,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1698] [2024-11-23 23:30:26,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2003] [2024-11-23 23:30:26,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2222] [2024-11-23 23:30:26,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2626] [2024-11-23 23:30:26,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2024-11-23 23:30:26,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:30:26,280 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:30:26,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26 WrapperNode [2024-11-23 23:30:26,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:30:26,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:30:26,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:30:26,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:30:26,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,367 INFO L138 Inliner]: procedures = 130, calls = 199, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 984 [2024-11-23 23:30:26,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:30:26,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:30:26,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:30:26,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:30:26,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,409 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-23 23:30:26,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,425 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:30:26,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:30:26,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:30:26,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:30:26,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (1/1) ... [2024-11-23 23:30:26,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:30:26,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:30:26,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:30:26,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:30:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-23 23:30:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-23 23:30:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-23 23:30:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-23 23:30:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-23 23:30:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-23 23:30:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-23 23:30:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-23 23:30:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-23 23:30:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-23 23:30:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-23 23:30:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-23 23:30:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-23 23:30:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-23 23:30:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-23 23:30:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-23 23:30:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-23 23:30:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-23 23:30:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-23 23:30:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-23 23:30:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-23 23:30:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-23 23:30:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:30:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-23 23:30:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-23 23:30:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-23 23:30:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-23 23:30:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-23 23:30:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-23 23:30:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-23 23:30:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-23 23:30:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-23 23:30:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-23 23:30:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-23 23:30:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-23 23:30:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-23 23:30:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-23 23:30:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-23 23:30:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:30:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:30:26,803 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:30:26,806 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:30:28,103 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-11-23 23:30:28,103 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:30:28,139 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:30:28,139 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:30:28,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:28 BoogieIcfgContainer [2024-11-23 23:30:28,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:30:28,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:30:28,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:30:28,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:30:28,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:30:25" (1/3) ... [2024-11-23 23:30:28,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed6b50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:30:28, skipping insertion in model container [2024-11-23 23:30:28,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:26" (2/3) ... [2024-11-23 23:30:28,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed6b50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:30:28, skipping insertion in model container [2024-11-23 23:30:28,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:28" (3/3) ... [2024-11-23 23:30:28,152 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product23.cil.c [2024-11-23 23:30:28,173 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:30:28,178 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. [2024-11-23 23:30:28,289 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:30:28,310 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;@6c73de9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:30:28,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:30:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 361 states, 288 states have (on average 1.5833333333333333) internal successors, (456), 291 states have internal predecessors, (456), 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) [2024-11-23 23:30:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:30:28,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:28,350 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] [2024-11-23 23:30:28,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:28,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:28,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1719657246, now seen corresponding path program 1 times [2024-11-23 23:30:28,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:28,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140294620] [2024-11-23 23:30:28,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:28,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-23 23:30:29,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:29,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140294620] [2024-11-23 23:30:29,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140294620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:30:29,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693968093] [2024-11-23 23:30:29,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:29,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:29,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:30:29,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:30:29,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:30:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:29,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:30:29,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:30:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-23 23:30:29,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:30:29,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693968093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:29,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:30:29,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-23 23:30:29,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207722230] [2024-11-23 23:30:29,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:29,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:30:29,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:29,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:30:29,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:30:29,839 INFO L87 Difference]: Start difference. First operand has 361 states, 288 states have (on average 1.5833333333333333) internal successors, (456), 291 states have internal predecessors, (456), 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 2 states, 2 states have (on average 30.5) internal successors, (61), 2 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) [2024-11-23 23:30:29,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:29,931 INFO L93 Difference]: Finished difference Result 530 states and 803 transitions. [2024-11-23 23:30:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:30:29,934 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 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 [2024-11-23 23:30:29,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:29,952 INFO L225 Difference]: With dead ends: 530 [2024-11-23 23:30:29,953 INFO L226 Difference]: Without dead ends: 354 [2024-11-23 23:30:29,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:30:29,961 INFO L435 NwaCegarLoop]: 552 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:29,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:30:29,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-23 23:30:30,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-23 23:30:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 282 states have (on average 1.5780141843971631) internal successors, (445), 284 states have internal predecessors, (445), 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) [2024-11-23 23:30:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 544 transitions. [2024-11-23 23:30:30,058 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 544 transitions. Word has length 107 [2024-11-23 23:30:30,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:30,061 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 544 transitions. [2024-11-23 23:30:30,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 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) [2024-11-23 23:30:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 544 transitions. [2024-11-23 23:30:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:30:30,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:30,073 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] [2024-11-23 23:30:30,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:30:30,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:30:30,274 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:30,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:30,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1556478552, now seen corresponding path program 1 times [2024-11-23 23:30:30,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:30,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772680421] [2024-11-23 23:30:30,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:30,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-23 23:30:30,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:30,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772680421] [2024-11-23 23:30:30,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772680421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:30:30,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245070125] [2024-11-23 23:30:30,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:30,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:30,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:30:30,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:30:30,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:30:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:31,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:30:31,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:30:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-23 23:30:31,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:30:31,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245070125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:31,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:30:31,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:30:31,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116828517] [2024-11-23 23:30:31,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:31,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:30:31,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:31,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:30:31,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:31,273 INFO L87 Difference]: Start difference. First operand 354 states and 544 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (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) [2024-11-23 23:30:31,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:31,342 INFO L93 Difference]: Finished difference Result 519 states and 780 transitions. [2024-11-23 23:30:31,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:30:31,343 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 [2024-11-23 23:30:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:31,349 INFO L225 Difference]: With dead ends: 519 [2024-11-23 23:30:31,349 INFO L226 Difference]: Without dead ends: 356 [2024-11-23 23:30:31,351 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 [2024-11-23 23:30:31,351 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 1 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:31,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1082 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:30:31,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-23 23:30:31,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 355. [2024-11-23 23:30:31,424 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) [2024-11-23 23:30:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 545 transitions. [2024-11-23 23:30:31,432 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 545 transitions. Word has length 107 [2024-11-23 23:30:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:31,432 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 545 transitions. [2024-11-23 23:30:31,432 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) [2024-11-23 23:30:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 545 transitions. [2024-11-23 23:30:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:30:31,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:31,437 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] [2024-11-23 23:30:31,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:30:31,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:31,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:31,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:31,639 INFO L85 PathProgramCache]: Analyzing trace with hash 977974821, now seen corresponding path program 1 times [2024-11-23 23:30:31,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:31,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629735786] [2024-11-23 23:30:31,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:31,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-23 23:30:32,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:32,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629735786] [2024-11-23 23:30:32,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629735786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:30:32,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078161697] [2024-11-23 23:30:32,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:32,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:32,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:30:32,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:30:32,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:30:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:32,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:30:32,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:30:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-23 23:30:32,431 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:30:32,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078161697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:32,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:30:32,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-23 23:30:32,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544629052] [2024-11-23 23:30:32,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:32,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:30:32,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:32,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:30:32,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:32,434 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) [2024-11-23 23:30:32,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:32,470 INFO L93 Difference]: Finished difference Result 758 states and 1182 transitions. [2024-11-23 23:30:32,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:30:32,471 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 [2024-11-23 23:30:32,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:32,474 INFO L225 Difference]: With dead ends: 758 [2024-11-23 23:30:32,475 INFO L226 Difference]: Without dead ends: 429 [2024-11-23 23:30:32,476 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 [2024-11-23 23:30:32,477 INFO L435 NwaCegarLoop]: 561 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, 1059 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:32,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1059 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:30:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-23 23:30:32,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 421. [2024-11-23 23:30:32,498 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) [2024-11-23 23:30:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 661 transitions. [2024-11-23 23:30:32,502 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 661 transitions. Word has length 115 [2024-11-23 23:30:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:32,503 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 661 transitions. [2024-11-23 23:30:32,503 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) [2024-11-23 23:30:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 661 transitions. [2024-11-23 23:30:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:30:32,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:32,507 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] [2024-11-23 23:30:32,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:30:32,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:32,708 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:32,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:32,709 INFO L85 PathProgramCache]: Analyzing trace with hash 904362355, now seen corresponding path program 1 times [2024-11-23 23:30:32,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:32,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985683487] [2024-11-23 23:30:32,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:32,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-23 23:30:32,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:32,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985683487] [2024-11-23 23:30:32,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985683487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:30:32,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147938304] [2024-11-23 23:30:32,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:32,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:32,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:30:32,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:30:32,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:30:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:33,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:30:33,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:30:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 23:30:33,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:30:33,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147938304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:33,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:30:33,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-23 23:30:33,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507497277] [2024-11-23 23:30:33,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:33,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:30:33,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:33,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:30:33,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:30:33,429 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) [2024-11-23 23:30:33,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:33,514 INFO L93 Difference]: Finished difference Result 833 states and 1312 transitions. [2024-11-23 23:30:33,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:30:33,515 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 [2024-11-23 23:30:33,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:33,518 INFO L225 Difference]: With dead ends: 833 [2024-11-23 23:30:33,518 INFO L226 Difference]: Without dead ends: 423 [2024-11-23 23:30:33,521 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 [2024-11-23 23:30:33,521 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 [2024-11-23 23:30:33,522 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] [2024-11-23 23:30:33,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-23 23:30:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2024-11-23 23:30:33,549 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) [2024-11-23 23:30:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 664 transitions. [2024-11-23 23:30:33,555 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 664 transitions. Word has length 116 [2024-11-23 23:30:33,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:33,556 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 664 transitions. [2024-11-23 23:30:33,556 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) [2024-11-23 23:30:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 664 transitions. [2024-11-23 23:30:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-23 23:30:33,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:33,561 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] [2024-11-23 23:30:33,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:30:33,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:33,765 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:33,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:33,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1597605049, now seen corresponding path program 1 times [2024-11-23 23:30:33,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:33,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484101018] [2024-11-23 23:30:33,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:33,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-23 23:30:34,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:34,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484101018] [2024-11-23 23:30:34,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484101018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:30:34,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294505672] [2024-11-23 23:30:34,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:34,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:34,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:30:34,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:30:34,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:30:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:34,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:30:34,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:30:34,511 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 23:30:34,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:30:34,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294505672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:34,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:30:34,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-23 23:30:34,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122352532] [2024-11-23 23:30:34,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:34,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:30:34,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:34,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:30:34,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:30:34,514 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) [2024-11-23 23:30:34,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:34,618 INFO L93 Difference]: Finished difference Result 835 states and 1317 transitions. [2024-11-23 23:30:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:30:34,619 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 [2024-11-23 23:30:34,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:34,622 INFO L225 Difference]: With dead ends: 835 [2024-11-23 23:30:34,622 INFO L226 Difference]: Without dead ends: 425 [2024-11-23 23:30:34,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:30:34,625 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:34,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2119 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:30:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-23 23:30:34,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-11-23 23:30:34,644 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) [2024-11-23 23:30:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 670 transitions. [2024-11-23 23:30:34,649 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 670 transitions. Word has length 117 [2024-11-23 23:30:34,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:34,650 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 670 transitions. [2024-11-23 23:30:34,650 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) [2024-11-23 23:30:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 670 transitions. [2024-11-23 23:30:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:30:34,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:34,653 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] [2024-11-23 23:30:34,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:30:34,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:34,858 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:34,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:34,858 INFO L85 PathProgramCache]: Analyzing trace with hash 613662561, now seen corresponding path program 1 times [2024-11-23 23:30:34,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:34,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853497819] [2024-11-23 23:30:34,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:34,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-23 23:30:35,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:35,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853497819] [2024-11-23 23:30:35,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853497819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:35,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:30:35,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:30:35,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430476992] [2024-11-23 23:30:35,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:35,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:30:35,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:35,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:30:35,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:30:35,091 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) [2024-11-23 23:30:35,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:35,163 INFO L93 Difference]: Finished difference Result 827 states and 1308 transitions. [2024-11-23 23:30:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:30:35,164 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 [2024-11-23 23:30:35,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:35,169 INFO L225 Difference]: With dead ends: 827 [2024-11-23 23:30:35,170 INFO L226 Difference]: Without dead ends: 425 [2024-11-23 23:30:35,173 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 [2024-11-23 23:30:35,174 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:35,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2137 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:30:35,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-23 23:30:35,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-11-23 23:30:35,208 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) [2024-11-23 23:30:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 669 transitions. [2024-11-23 23:30:35,217 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 669 transitions. Word has length 118 [2024-11-23 23:30:35,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:35,222 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 669 transitions. [2024-11-23 23:30:35,222 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) [2024-11-23 23:30:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 669 transitions. [2024-11-23 23:30:35,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 23:30:35,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:35,227 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] [2024-11-23 23:30:35,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:30:35,227 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:35,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:35,228 INFO L85 PathProgramCache]: Analyzing trace with hash -88130871, now seen corresponding path program 2 times [2024-11-23 23:30:35,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:35,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488226137] [2024-11-23 23:30:35,228 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:30:35,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:35,271 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:30:35,271 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:30:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-23 23:30:35,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:35,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488226137] [2024-11-23 23:30:35,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488226137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:35,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:30:35,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:30:35,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234583329] [2024-11-23 23:30:35,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:35,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:30:35,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:35,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:30:35,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:30:35,390 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) [2024-11-23 23:30:35,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:35,449 INFO L93 Difference]: Finished difference Result 425 states and 669 transitions. [2024-11-23 23:30:35,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:30:35,449 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 [2024-11-23 23:30:35,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:35,453 INFO L225 Difference]: With dead ends: 425 [2024-11-23 23:30:35,453 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:30:35,455 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 [2024-11-23 23:30:35,456 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 [2024-11-23 23:30:35,457 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] [2024-11-23 23:30:35,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:30:35,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:30:35,459 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) [2024-11-23 23:30:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:30:35,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2024-11-23 23:30:35,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:35,460 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:30:35,460 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) [2024-11-23 23:30:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:30:35,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:30:35,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:30:35,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:30:35,467 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-11-23 23:30:35,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:30:35,608 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:30:35,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:30:35 BoogieIcfgContainer [2024-11-23 23:30:35,628 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:30:35,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:30:35,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:30:35,629 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:30:35,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:28" (3/4) ... [2024-11-23 23:30:35,633 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:30:35,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2024-11-23 23:30:35,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-11-23 23:30:35,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-11-23 23:30:35,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2024-11-23 23:30:35,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-11-23 23:30:35,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-11-23 23:30:35,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-11-23 23:30:35,666 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2024-11-23 23:30:35,668 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-11-23 23:30:35,670 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-23 23:30:35,672 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:30:35,674 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:30:35,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:30:35,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:30:35,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:30:35,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:30:35,863 INFO L158 Benchmark]: Toolchain (without parser) took 10565.90ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 116.6MB in the beginning and 359.5MB in the end (delta: -242.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,864 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:30:35,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 984.09ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 77.8MB in the end (delta: 38.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.07ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 72.6MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:30:35,865 INFO L158 Benchmark]: Boogie Preprocessor took 80.26ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 66.1MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,865 INFO L158 Benchmark]: RCFGBuilder took 1690.74ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 66.1MB in the beginning and 384.3MB in the end (delta: -318.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,866 INFO L158 Benchmark]: TraceAbstraction took 7484.25ms. Allocated memory is still 427.8MB. Free memory was 383.6MB in the beginning and 380.2MB in the end (delta: 3.4MB). Peak memory consumption was 231.0MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,866 INFO L158 Benchmark]: Witness Printer took 232.65ms. Allocated memory is still 427.8MB. Free memory was 380.2MB in the beginning and 359.5MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 984.09ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 77.8MB in the end (delta: 38.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.07ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 72.6MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.26ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 66.1MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1690.74ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 66.1MB in the beginning and 384.3MB in the end (delta: -318.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7484.25ms. Allocated memory is still 427.8MB. Free memory was 383.6MB in the beginning and 380.2MB in the end (delta: 3.4MB). Peak memory consumption was 231.0MB. Max. memory is 16.1GB. * Witness Printer took 232.65ms. Allocated memory is still 427.8MB. Free memory was 380.2MB in the beginning and 359.5MB in the end (delta: 20.7MB). 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: 7.2s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 12301 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8501 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3800 mSDtfsCounter, 154 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=425occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1361 NumberOfCodeBlocks, 1285 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1349 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5438 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 363/381 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! [2024-11-23 23:30:35,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a6187-0a13-4735-8c0c-3a4ca65cc5a5/bin/uautomizer-verify-LYvppIcaGC/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