./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/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_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 14:52:17,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:52:18,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:52:18,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:52:18,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:52:18,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:52:18,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:52:18,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:52:18,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:52:18,046 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:52:18,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:52:18,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:52:18,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:52:18,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:52:18,048 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:52:18,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:52:18,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:52:18,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:52:18,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:52:18,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:52:18,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:52:18,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:52:18,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:52:18,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:52:18,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:52:18,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:52:18,049 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:52:18,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:52:18,049 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:52:18,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:52:18,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:52:18,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:52:18,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:52:18,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:52:18,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:52:18,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:52:18,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:52:18,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:52:18,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:52:18,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:52:18,050 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:52:18,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:52:18,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:52:18,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:52:18,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:52:18,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:52:18,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:52:18,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:52:18,051 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_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 14:52:18,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:52:18,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:52:18,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:52:18,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:52:18,261 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:52:18,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2024-12-02 14:52:20,857 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/data/187c44d32/6334117cc882457896632dcefc47bf5a/FLAGc8cd7d18f [2024-12-02 14:52:21,140 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:52:21,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2024-12-02 14:52:21,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/data/187c44d32/6334117cc882457896632dcefc47bf5a/FLAGc8cd7d18f [2024-12-02 14:52:21,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/data/187c44d32/6334117cc882457896632dcefc47bf5a [2024-12-02 14:52:21,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:52:21,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:52:21,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:52:21,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:52:21,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:52:21,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:52:21" (1/1) ... [2024-12-02 14:52:21,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4671c6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:21, skipping insertion in model container [2024-12-02 14:52:21,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:52:21" (1/1) ... [2024-12-02 14:52:21,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:52:21,834 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_029397e0-afed-4443-8295-ff3323a9c57d/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2024-12-02 14:52:21,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:52:21,928 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:52:21,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-12-02 14:52:21,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [66] [2024-12-02 14:52:21,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [115] [2024-12-02 14:52:21,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [481] [2024-12-02 14:52:21,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [588] [2024-12-02 14:52:21,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [609] [2024-12-02 14:52:21,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1689] [2024-12-02 14:52:21,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1698] [2024-12-02 14:52:21,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2003] [2024-12-02 14:52:21,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2222] [2024-12-02 14:52:21,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2626] [2024-12-02 14:52:21,998 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_029397e0-afed-4443-8295-ff3323a9c57d/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c[40745,40758] [2024-12-02 14:52:22,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:52:22,053 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:52:22,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22 WrapperNode [2024-12-02 14:52:22,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:52:22,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:52:22,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:52:22,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:52:22,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,107 INFO L138 Inliner]: procedures = 130, calls = 199, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 984 [2024-12-02 14:52:22,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:52:22,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:52:22,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:52:22,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:52:22,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,143 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]. [2024-12-02 14:52:22,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:52:22,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:52:22,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:52:22,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:52:22,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (1/1) ... [2024-12-02 14:52:22,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:52:22,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:52:22,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:52:22,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:52:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-12-02 14:52:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-12-02 14:52:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-12-02 14:52:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-12-02 14:52:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 14:52:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 14:52:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-12-02 14:52:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-12-02 14:52:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 14:52:22,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 14:52:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-12-02 14:52:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-12-02 14:52:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-12-02 14:52:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-12-02 14:52:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-12-02 14:52:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 14:52:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-12-02 14:52:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-12-02 14:52:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-12-02 14:52:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-12-02 14:52:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-12-02 14:52:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 14:52:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 14:52:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-12-02 14:52:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 14:52:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-12-02 14:52:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-12-02 14:52:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-12-02 14:52:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-12-02 14:52:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:52:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:52:22,408 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:52:22,410 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:52:23,215 INFO L? ?]: Removed 503 outVars from TransFormulas that were not future-live. [2024-12-02 14:52:23,215 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:52:23,231 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:52:23,231 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:52:23,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:23 BoogieIcfgContainer [2024-12-02 14:52:23,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:52:23,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:52:23,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:52:23,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:52:23,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:52:21" (1/3) ... [2024-12-02 14:52:23,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3e89c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:52:23, skipping insertion in model container [2024-12-02 14:52:23,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:22" (2/3) ... [2024-12-02 14:52:23,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3e89c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:52:23, skipping insertion in model container [2024-12-02 14:52:23,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:23" (3/3) ... [2024-12-02 14:52:23,240 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product23.cil.c [2024-12-02 14:52:23,253 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:52:23,255 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. [2024-12-02 14:52:23,312 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:52:23,321 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;@4fc5e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:52:23,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:52:23,326 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) [2024-12-02 14:52:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 14:52:23,341 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:23,342 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] [2024-12-02 14:52:23,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:23,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:23,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1719657246, now seen corresponding path program 1 times [2024-12-02 14:52:23,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:23,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880965447] [2024-12-02 14:52:23,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:23,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 14:52:23,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:23,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880965447] [2024-12-02 14:52:23,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880965447] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:52:23,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379411775] [2024-12-02 14:52:23,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:23,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:23,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:52:23,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:52:23,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:52:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:24,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:52:24,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:52:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:52:24,229 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:52:24,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379411775] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:24,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:52:24,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-12-02 14:52:24,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058185778] [2024-12-02 14:52:24,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:24,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:52:24,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:24,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:52:24,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:52:24,252 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) [2024-12-02 14:52:24,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:24,299 INFO L93 Difference]: Finished difference Result 530 states and 803 transitions. [2024-12-02 14:52:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:52:24,301 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 [2024-12-02 14:52:24,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:24,310 INFO L225 Difference]: With dead ends: 530 [2024-12-02 14:52:24,310 INFO L226 Difference]: Without dead ends: 354 [2024-12-02 14:52:24,315 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 [2024-12-02 14:52:24,317 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 [2024-12-02 14:52:24,318 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] [2024-12-02 14:52:24,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-12-02 14:52:24,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-12-02 14:52:24,371 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) [2024-12-02 14:52:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 544 transitions. [2024-12-02 14:52:24,380 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 544 transitions. Word has length 107 [2024-12-02 14:52:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:24,381 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 544 transitions. [2024-12-02 14:52:24,381 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) [2024-12-02 14:52:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 544 transitions. [2024-12-02 14:52:24,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 14:52:24,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:24,386 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] [2024-12-02 14:52:24,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-12-02 14:52:24,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:52:24,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:24,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:24,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1556478552, now seen corresponding path program 1 times [2024-12-02 14:52:24,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:24,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182587116] [2024-12-02 14:52:24,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:24,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 14:52:24,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:24,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182587116] [2024-12-02 14:52:24,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182587116] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:52:24,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445319970] [2024-12-02 14:52:24,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:24,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:24,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:52:24,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:52:24,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:52:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:25,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:52:25,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:52:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:52:25,201 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:52:25,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445319970] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:25,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:52:25,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 14:52:25,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029701939] [2024-12-02 14:52:25,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:25,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:52:25,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:25,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:52:25,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:52:25,204 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) [2024-12-02 14:52:25,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:25,250 INFO L93 Difference]: Finished difference Result 519 states and 780 transitions. [2024-12-02 14:52:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:52:25,251 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 [2024-12-02 14:52:25,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:25,254 INFO L225 Difference]: With dead ends: 519 [2024-12-02 14:52:25,255 INFO L226 Difference]: Without dead ends: 356 [2024-12-02 14:52:25,256 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 [2024-12-02 14:52:25,256 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 [2024-12-02 14:52:25,257 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] [2024-12-02 14:52:25,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-12-02 14:52:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 355. [2024-12-02 14:52:25,280 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) [2024-12-02 14:52:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 545 transitions. [2024-12-02 14:52:25,286 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 545 transitions. Word has length 107 [2024-12-02 14:52:25,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:25,286 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 545 transitions. [2024-12-02 14:52:25,286 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) [2024-12-02 14:52:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 545 transitions. [2024-12-02 14:52:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:52:25,290 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:25,290 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] [2024-12-02 14:52:25,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 14:52:25,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:25,491 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:25,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:25,491 INFO L85 PathProgramCache]: Analyzing trace with hash 977974821, now seen corresponding path program 1 times [2024-12-02 14:52:25,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:25,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004997514] [2024-12-02 14:52:25,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:25,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-02 14:52:25,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:25,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004997514] [2024-12-02 14:52:25,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004997514] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:52:25,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629003404] [2024-12-02 14:52:25,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:25,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:25,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:52:25,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:52:25,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:52:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:26,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:52:26,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:52:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:52:26,072 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:52:26,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629003404] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:26,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:52:26,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 14:52:26,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938623411] [2024-12-02 14:52:26,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:26,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:52:26,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:26,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:52:26,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:52:26,074 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) [2024-12-02 14:52:26,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:26,112 INFO L93 Difference]: Finished difference Result 758 states and 1182 transitions. [2024-12-02 14:52:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:52:26,113 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 [2024-12-02 14:52:26,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:26,116 INFO L225 Difference]: With dead ends: 758 [2024-12-02 14:52:26,116 INFO L226 Difference]: Without dead ends: 429 [2024-12-02 14:52:26,118 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 [2024-12-02 14:52:26,118 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 [2024-12-02 14:52:26,119 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] [2024-12-02 14:52:26,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-12-02 14:52:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 421. [2024-12-02 14:52:26,137 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) [2024-12-02 14:52:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 661 transitions. [2024-12-02 14:52:26,141 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 661 transitions. Word has length 115 [2024-12-02 14:52:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:26,141 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 661 transitions. [2024-12-02 14:52:26,141 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) [2024-12-02 14:52:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 661 transitions. [2024-12-02 14:52:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 14:52:26,144 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:26,144 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] [2024-12-02 14:52:26,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:52:26,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:26,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:26,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:26,345 INFO L85 PathProgramCache]: Analyzing trace with hash 904362355, now seen corresponding path program 1 times [2024-12-02 14:52:26,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:26,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582102771] [2024-12-02 14:52:26,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:26,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-02 14:52:26,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582102771] [2024-12-02 14:52:26,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582102771] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:52:26,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821687642] [2024-12-02 14:52:26,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:26,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:26,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:52:26,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:52:26,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:52:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:26,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:52:26,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:52:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 14:52:26,911 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:52:26,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821687642] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:26,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:52:26,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-12-02 14:52:26,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116546350] [2024-12-02 14:52:26,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:26,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:52:26,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:26,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:52:26,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:52:26,913 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) [2024-12-02 14:52:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:26,983 INFO L93 Difference]: Finished difference Result 833 states and 1312 transitions. [2024-12-02 14:52:26,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:52:26,984 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 [2024-12-02 14:52:26,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:26,987 INFO L225 Difference]: With dead ends: 833 [2024-12-02 14:52:26,987 INFO L226 Difference]: Without dead ends: 423 [2024-12-02 14:52:26,988 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 [2024-12-02 14:52:26,989 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 [2024-12-02 14:52:26,989 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] [2024-12-02 14:52:26,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-12-02 14:52:27,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2024-12-02 14:52:27,006 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) [2024-12-02 14:52:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 664 transitions. [2024-12-02 14:52:27,010 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 664 transitions. Word has length 116 [2024-12-02 14:52:27,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:27,010 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 664 transitions. [2024-12-02 14:52:27,010 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) [2024-12-02 14:52:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 664 transitions. [2024-12-02 14:52:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 14:52:27,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:27,013 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] [2024-12-02 14:52:27,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 14:52:27,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:27,214 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:27,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:27,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1597605049, now seen corresponding path program 1 times [2024-12-02 14:52:27,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:27,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383746269] [2024-12-02 14:52:27,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:27,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:27,403 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-02 14:52:27,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:27,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383746269] [2024-12-02 14:52:27,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383746269] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:52:27,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627635357] [2024-12-02 14:52:27,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:27,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:27,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:52:27,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:52:27,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 14:52:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:27,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:52:27,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:52:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 14:52:27,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:52:27,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627635357] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:27,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:52:27,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-12-02 14:52:27,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907173469] [2024-12-02 14:52:27,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:27,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:52:27,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:27,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:52:27,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:52:27,758 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) [2024-12-02 14:52:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:27,826 INFO L93 Difference]: Finished difference Result 835 states and 1317 transitions. [2024-12-02 14:52:27,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:52:27,828 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 [2024-12-02 14:52:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:27,831 INFO L225 Difference]: With dead ends: 835 [2024-12-02 14:52:27,831 INFO L226 Difference]: Without dead ends: 425 [2024-12-02 14:52:27,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:52:27,833 INFO L435 NwaCegarLoop]: 534 mSDtfsCounter, 2 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:27,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2119 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:52:27,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-12-02 14:52:27,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-12-02 14:52:27,851 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) [2024-12-02 14:52:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 670 transitions. [2024-12-02 14:52:27,855 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 670 transitions. Word has length 117 [2024-12-02 14:52:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:27,855 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 670 transitions. [2024-12-02 14:52:27,855 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) [2024-12-02 14:52:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 670 transitions. [2024-12-02 14:52:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 14:52:27,858 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:27,858 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] [2024-12-02 14:52:27,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 14:52:28,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:52:28,059 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:28,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:28,059 INFO L85 PathProgramCache]: Analyzing trace with hash 613662561, now seen corresponding path program 1 times [2024-12-02 14:52:28,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:28,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232219985] [2024-12-02 14:52:28,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:28,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-02 14:52:28,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:28,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232219985] [2024-12-02 14:52:28,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232219985] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:28,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:28,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:52:28,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43710884] [2024-12-02 14:52:28,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:28,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:52:28,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:28,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:52:28,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:52:28,226 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) [2024-12-02 14:52:28,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:28,276 INFO L93 Difference]: Finished difference Result 827 states and 1308 transitions. [2024-12-02 14:52:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:52:28,277 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 [2024-12-02 14:52:28,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:28,280 INFO L225 Difference]: With dead ends: 827 [2024-12-02 14:52:28,280 INFO L226 Difference]: Without dead ends: 425 [2024-12-02 14:52:28,282 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 [2024-12-02 14:52:28,282 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 [2024-12-02 14:52:28,283 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] [2024-12-02 14:52:28,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-12-02 14:52:28,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2024-12-02 14:52:28,299 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) [2024-12-02 14:52:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 669 transitions. [2024-12-02 14:52:28,303 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 669 transitions. Word has length 118 [2024-12-02 14:52:28,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:28,303 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 669 transitions. [2024-12-02 14:52:28,303 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) [2024-12-02 14:52:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 669 transitions. [2024-12-02 14:52:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:52:28,306 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:28,306 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] [2024-12-02 14:52:28,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:52:28,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:28,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash -88130871, now seen corresponding path program 2 times [2024-12-02 14:52:28,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:28,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164872312] [2024-12-02 14:52:28,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:52:28,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:28,347 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:52:28,347 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:52:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 14:52:28,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:28,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164872312] [2024-12-02 14:52:28,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164872312] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:28,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:28,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:52:28,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058410264] [2024-12-02 14:52:28,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:28,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:52:28,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:28,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:52:28,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:52:28,434 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) [2024-12-02 14:52:28,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:28,474 INFO L93 Difference]: Finished difference Result 425 states and 669 transitions. [2024-12-02 14:52:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:52:28,474 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 [2024-12-02 14:52:28,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:28,475 INFO L225 Difference]: With dead ends: 425 [2024-12-02 14:52:28,475 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:52:28,476 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 [2024-12-02 14:52:28,477 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 [2024-12-02 14:52:28,477 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] [2024-12-02 14:52:28,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:52:28,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:52:28,478 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) [2024-12-02 14:52:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:52:28,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2024-12-02 14:52:28,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:28,479 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:52:28,479 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) [2024-12-02 14:52:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:52:28,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:52:28,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:52:28,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:52:28,484 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-12-02 14:52:28,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:52:28,569 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:52:28,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:52:28 BoogieIcfgContainer [2024-12-02 14:52:28,580 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:52:28,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:52:28,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:52:28,581 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:52:28,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:23" (3/4) ... [2024-12-02 14:52:28,583 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:52:28,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2024-12-02 14:52:28,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-12-02 14:52:28,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2024-12-02 14:52:28,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-12-02 14:52:28,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-12-02 14:52:28,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-12-02 14:52:28,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-12-02 14:52:28,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-12-02 14:52:28,604 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2024-12-02 14:52:28,605 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-12-02 14:52:28,607 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-02 14:52:28,608 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:52:28,609 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:52:28,611 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:52:28,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:52:28,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:52:28,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:52:28,741 INFO L158 Benchmark]: Toolchain (without parser) took 7292.67ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 114.4MB in the beginning and 198.6MB in the end (delta: -84.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-12-02 14:52:28,741 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:52:28,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.81ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 75.7MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 14:52:28,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.52ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 70.3MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:52:28,741 INFO L158 Benchmark]: Boogie Preprocessor took 72.71ms. Allocated memory is still 142.6MB. Free memory was 70.3MB in the beginning and 64.1MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:52:28,742 INFO L158 Benchmark]: RCFGBuilder took 1050.67ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 99.1MB in the end (delta: -35.1MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-12-02 14:52:28,742 INFO L158 Benchmark]: TraceAbstraction took 5346.47ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 98.4MB in the beginning and 215.7MB in the end (delta: -117.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-12-02 14:52:28,742 INFO L158 Benchmark]: Witness Printer took 159.21ms. Allocated memory is still 302.0MB. Free memory was 215.7MB in the beginning and 198.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:52:28,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.81ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 75.7MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.52ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 70.3MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.71ms. Allocated memory is still 142.6MB. Free memory was 70.3MB in the beginning and 64.1MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1050.67ms. Allocated memory is still 142.6MB. Free memory was 64.1MB in the beginning and 99.1MB in the end (delta: -35.1MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5346.47ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 98.4MB in the beginning and 215.7MB in the end (delta: -117.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 159.21ms. Allocated memory is still 302.0MB. Free memory was 215.7MB in the beginning and 198.6MB in the end (delta: 17.0MB). 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: 5.2s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 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, 0.1s 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.5s 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! [2024-12-02 14:52:28,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029397e0-afed-4443-8295-ff3323a9c57d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE