./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca488828ecb96ea32a61c8f7cc33f9cc148887f4e62691829b51b0a2976db03e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:22:24,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:22:24,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:22:24,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:22:24,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:22:24,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:22:24,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:22:24,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:22:24,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:22:24,984 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:22:24,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:22:24,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:22:24,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:22:24,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:22:24,985 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:22:24,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:22:24,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:22:24,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:22:24,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:22:24,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:22:24,987 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:22:24,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:22:24,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:22:24,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:22:24,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:22:24,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:22:24,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:22:24,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:22:24,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:22:24,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:22:24,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:22:24,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:22:24,989 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:22:24,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:22:24,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:22:24,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:22:24,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:22:24,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:22:24,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:22:24,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:22:24,990 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_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca488828ecb96ea32a61c8f7cc33f9cc148887f4e62691829b51b0a2976db03e [2024-11-24 00:22:25,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:22:25,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:22:25,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:22:25,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:22:25,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:22:25,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2024-11-24 00:22:28,458 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/data/08b9cdb06/3df6b065cc9e47e784b4b6bde9845179/FLAG024d53def [2024-11-24 00:22:28,937 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:22:28,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2024-11-24 00:22:28,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/data/08b9cdb06/3df6b065cc9e47e784b4b6bde9845179/FLAG024d53def [2024-11-24 00:22:28,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/data/08b9cdb06/3df6b065cc9e47e784b4b6bde9845179 [2024-11-24 00:22:28,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:22:28,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:22:28,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:22:28,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:22:29,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:22:29,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:22:28" (1/1) ... [2024-11-24 00:22:29,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176d03d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29, skipping insertion in model container [2024-11-24 00:22:29,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:22:28" (1/1) ... [2024-11-24 00:22:29,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:22:29,632 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_8f768b79-886b-47c5-9bb9-5359cf964213/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c[47468,47481] [2024-11-24 00:22:29,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:22:29,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:22:29,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-24 00:22:29,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] [2024-11-24 00:22:29,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1540] [2024-11-24 00:22:29,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1706] [2024-11-24 00:22:29,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1910] [2024-11-24 00:22:29,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1975] [2024-11-24 00:22:29,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2010] [2024-11-24 00:22:29,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2205] [2024-11-24 00:22:29,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2214] [2024-11-24 00:22:29,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2580] [2024-11-24 00:22:29,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2599] [2024-11-24 00:22:29,867 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_8f768b79-886b-47c5-9bb9-5359cf964213/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c[47468,47481] [2024-11-24 00:22:29,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:22:29,937 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:22:29,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29 WrapperNode [2024-11-24 00:22:29,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:22:29,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:22:29,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:22:29,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:22:29,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:29,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,048 INFO L138 Inliner]: procedures = 110, calls = 128, calls flagged for inlining = 36, calls inlined = 30, statements flattened = 599 [2024-11-24 00:22:30,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:22:30,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:22:30,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:22:30,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:22:30,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,100 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2024-11-24 00:22:30,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,124 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:22:30,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:22:30,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:22:30,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:22:30,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (1/1) ... [2024-11-24 00:22:30,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:22:30,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:22:30,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:22:30,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:22:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-24 00:22:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-24 00:22:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-24 00:22:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-24 00:22:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-24 00:22:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-24 00:22:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-24 00:22:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-24 00:22:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-24 00:22:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-24 00:22:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-24 00:22:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-24 00:22:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-24 00:22:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-24 00:22:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-24 00:22:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-24 00:22:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:22:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-24 00:22:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-24 00:22:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-24 00:22:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-24 00:22:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-24 00:22:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-24 00:22:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-24 00:22:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-24 00:22:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:22:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:22:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-24 00:22:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-24 00:22:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:22:30,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:22:30,450 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:22:30,453 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:22:31,276 INFO L? ?]: Removed 260 outVars from TransFormulas that were not future-live. [2024-11-24 00:22:31,276 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:22:31,289 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:22:31,290 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:22:31,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:22:31 BoogieIcfgContainer [2024-11-24 00:22:31,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:22:31,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:22:31,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:22:31,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:22:31,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:22:28" (1/3) ... [2024-11-24 00:22:31,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b6a57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:22:31, skipping insertion in model container [2024-11-24 00:22:31,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:22:29" (2/3) ... [2024-11-24 00:22:31,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b6a57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:22:31, skipping insertion in model container [2024-11-24 00:22:31,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:22:31" (3/3) ... [2024-11-24 00:22:31,299 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product07.cil.c [2024-11-24 00:22:31,314 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:22:31,317 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product07.cil.c that has 14 procedures, 204 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:22:31,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:22:31,398 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;@7b40806f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:22:31,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:22:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 164 states have (on average 1.5670731707317074) internal successors, (257), 167 states have internal predecessors, (257), 25 states have call successors, (25), 13 states have call predecessors, (25), 13 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-24 00:22:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-24 00:22:31,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:31,422 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:22:31,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:31,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:31,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1922382568, now seen corresponding path program 1 times [2024-11-24 00:22:31,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:22:31,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008012158] [2024-11-24 00:22:31,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:31,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:22:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-24 00:22:32,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:22:32,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008012158] [2024-11-24 00:22:32,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008012158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:22:32,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686895809] [2024-11-24 00:22:32,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:32,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:22:32,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:22:32,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:22:32,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:22:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:32,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:22:32,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:22:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 00:22:32,760 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:22:32,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686895809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:22:32,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:22:32,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-24 00:22:32,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222104231] [2024-11-24 00:22:32,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:22:32,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:22:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:22:32,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:22:32,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:22:32,798 INFO L87 Difference]: Start difference. First operand has 204 states, 164 states have (on average 1.5670731707317074) internal successors, (257), 167 states have internal predecessors, (257), 25 states have call successors, (25), 13 states have call predecessors, (25), 13 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:22:32,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:32,872 INFO L93 Difference]: Finished difference Result 322 states and 475 transitions. [2024-11-24 00:22:32,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:22:32,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2024-11-24 00:22:32,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:32,885 INFO L225 Difference]: With dead ends: 322 [2024-11-24 00:22:32,885 INFO L226 Difference]: Without dead ends: 199 [2024-11-24 00:22:32,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:22:32,893 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 1 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:32,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 599 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:22:32,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-24 00:22:32,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 198. [2024-11-24 00:22:32,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 159 states have (on average 1.5534591194968554) internal successors, (247), 161 states have internal predecessors, (247), 25 states have call successors, (25), 13 states have call predecessors, (25), 13 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:22:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 296 transitions. [2024-11-24 00:22:32,942 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 296 transitions. Word has length 78 [2024-11-24 00:22:32,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:32,943 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 296 transitions. [2024-11-24 00:22:32,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:22:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 296 transitions. [2024-11-24 00:22:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-24 00:22:32,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:32,947 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:22:32,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:22:33,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:22:33,148 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:33,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:33,149 INFO L85 PathProgramCache]: Analyzing trace with hash 479067857, now seen corresponding path program 1 times [2024-11-24 00:22:33,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:22:33,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633556474] [2024-11-24 00:22:33,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:33,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:22:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-24 00:22:33,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:22:33,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633556474] [2024-11-24 00:22:33,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633556474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:22:33,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221022052] [2024-11-24 00:22:33,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:33,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:22:33,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:22:33,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:22:33,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:22:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:33,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:22:33,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:22:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 00:22:33,861 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:22:33,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221022052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:22:33,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:22:33,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-24 00:22:33,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542180195] [2024-11-24 00:22:33,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:22:33,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:22:33,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:22:33,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:22:33,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:22:33,865 INFO L87 Difference]: Start difference. First operand 198 states and 296 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-24 00:22:33,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:33,961 INFO L93 Difference]: Finished difference Result 389 states and 585 transitions. [2024-11-24 00:22:33,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:22:33,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 82 [2024-11-24 00:22:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:33,964 INFO L225 Difference]: With dead ends: 389 [2024-11-24 00:22:33,965 INFO L226 Difference]: Without dead ends: 200 [2024-11-24 00:22:33,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:22:33,967 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 2 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:33,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1137 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:22:33,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-24 00:22:33,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-24 00:22:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 160 states have (on average 1.55) internal successors, (248), 163 states have internal predecessors, (248), 25 states have call successors, (25), 13 states have call predecessors, (25), 14 states have return successors, (26), 23 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-24 00:22:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 299 transitions. [2024-11-24 00:22:33,984 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 299 transitions. Word has length 82 [2024-11-24 00:22:33,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:33,984 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 299 transitions. [2024-11-24 00:22:33,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-24 00:22:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 299 transitions. [2024-11-24 00:22:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-24 00:22:33,987 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:33,987 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:22:33,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:22:34,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:22:34,188 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:34,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:34,190 INFO L85 PathProgramCache]: Analyzing trace with hash 632928959, now seen corresponding path program 1 times [2024-11-24 00:22:34,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:22:34,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731168507] [2024-11-24 00:22:34,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:22:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-24 00:22:34,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:22:34,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731168507] [2024-11-24 00:22:34,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731168507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:22:34,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:22:34,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:22:34,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745274503] [2024-11-24 00:22:34,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:22:34,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:22:34,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:22:34,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:22:34,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:22:34,481 INFO L87 Difference]: Start difference. First operand 200 states and 299 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-24 00:22:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:34,546 INFO L93 Difference]: Finished difference Result 381 states and 573 transitions. [2024-11-24 00:22:34,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:22:34,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 83 [2024-11-24 00:22:34,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:34,549 INFO L225 Difference]: With dead ends: 381 [2024-11-24 00:22:34,550 INFO L226 Difference]: Without dead ends: 200 [2024-11-24 00:22:34,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:22:34,555 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 2 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:34,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1141 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:22:34,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-24 00:22:34,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-24 00:22:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 160 states have (on average 1.55) internal successors, (248), 163 states have internal predecessors, (248), 25 states have call successors, (25), 13 states have call predecessors, (25), 14 states have return successors, (25), 23 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-24 00:22:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 298 transitions. [2024-11-24 00:22:34,579 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 298 transitions. Word has length 83 [2024-11-24 00:22:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:34,580 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 298 transitions. [2024-11-24 00:22:34,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-24 00:22:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 298 transitions. [2024-11-24 00:22:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-24 00:22:34,587 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:34,587 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:22:34,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:22:34,587 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:34,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:34,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2062241365, now seen corresponding path program 2 times [2024-11-24 00:22:34,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:22:34,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596587204] [2024-11-24 00:22:34,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:22:34,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:22:34,636 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 00:22:34,638 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:22:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-24 00:22:34,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:22:34,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596587204] [2024-11-24 00:22:34,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596587204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:22:34,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:22:34,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:22:34,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866046471] [2024-11-24 00:22:34,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:22:34,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:22:34,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:22:34,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:22:34,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:22:34,769 INFO L87 Difference]: Start difference. First operand 200 states and 298 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:34,807 INFO L93 Difference]: Finished difference Result 200 states and 298 transitions. [2024-11-24 00:22:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:22:34,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2024-11-24 00:22:34,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:34,809 INFO L225 Difference]: With dead ends: 200 [2024-11-24 00:22:34,809 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:22:34,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:22:34,810 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:34,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1157 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:22:34,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:22:34,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:22:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:22:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:22:34,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2024-11-24 00:22:34,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:34,814 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:22:34,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:22:34,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:22:34,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:22:34,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:22:34,821 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-11-24 00:22:34,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:22:34,901 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:22:34,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:22:34 BoogieIcfgContainer [2024-11-24 00:22:34,916 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:22:34,916 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:22:34,916 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:22:34,916 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:22:34,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:22:31" (3/4) ... [2024-11-24 00:22:34,922 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:22:34,927 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-11-24 00:22:34,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-11-24 00:22:34,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-11-24 00:22:34,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2024-11-24 00:22:34,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-11-24 00:22:34,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2024-11-24 00:22:34,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2024-11-24 00:22:34,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2024-11-24 00:22:34,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-11-24 00:22:34,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-11-24 00:22:34,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2024-11-24 00:22:34,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-11-24 00:22:34,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-11-24 00:22:34,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-11-24 00:22:34,947 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-11-24 00:22:34,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 00:22:34,949 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 00:22:34,950 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:22:34,951 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:22:35,098 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:22:35,099 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:22:35,099 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:22:35,100 INFO L158 Benchmark]: Toolchain (without parser) took 6106.08ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.3MB in the beginning and 42.3MB in the end (delta: 48.1MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-11-24 00:22:35,103 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:22:35,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 942.85ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 55.2MB in the end (delta: 35.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 00:22:35,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.59ms. Allocated memory is still 117.4MB. Free memory was 55.2MB in the beginning and 51.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:22:35,104 INFO L158 Benchmark]: Boogie Preprocessor took 110.13ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 46.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:22:35,104 INFO L158 Benchmark]: RCFGBuilder took 1129.21ms. Allocated memory is still 117.4MB. Free memory was 46.9MB in the beginning and 51.9MB in the end (delta: -5.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-24 00:22:35,104 INFO L158 Benchmark]: TraceAbstraction took 3623.55ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.3MB in the beginning and 53.6MB in the end (delta: -2.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-24 00:22:35,104 INFO L158 Benchmark]: Witness Printer took 182.93ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 42.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:22:35,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 942.85ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 55.2MB in the end (delta: 35.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.59ms. Allocated memory is still 117.4MB. Free memory was 55.2MB in the beginning and 51.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.13ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 46.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1129.21ms. Allocated memory is still 117.4MB. Free memory was 46.9MB in the beginning and 51.9MB in the end (delta: -5.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3623.55ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.3MB in the beginning and 53.6MB in the end (delta: -2.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Witness Printer took 182.93ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 42.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. 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,"EmailLib.i","") [48] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [460] - GenericResultAtLocation [Line: 1540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1540] - GenericResultAtLocation [Line: 1706]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1706] - GenericResultAtLocation [Line: 1910]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1910] - GenericResultAtLocation [Line: 1975]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1975] - GenericResultAtLocation [Line: 2010]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2010] - GenericResultAtLocation [Line: 2205]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2205] - GenericResultAtLocation [Line: 2214]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2214] - GenericResultAtLocation [Line: 2580]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2580] - GenericResultAtLocation [Line: 2599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2599] * 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: 2210]: 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 14 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 4034 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2867 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1167 mSDtfsCounter, 87 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 487 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1636 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 95/101 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 00:22:35,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f768b79-886b-47c5-9bb9-5359cf964213/bin/uautomizer-verify-LYvppIcaGC/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