./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product27.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_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/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_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/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_35c9f2d8-310c-42ca-9802-f55cc80ef355/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 d732923830fb3a71ab6990fcf85b09499ea996afd0bf98e12e19d094dda2a9f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:45:24,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:45:24,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:45:24,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:45:24,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:45:24,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:45:24,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:45:24,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:45:24,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:45:24,472 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:45:24,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:45:24,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:45:24,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:45:24,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:45:24,477 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:45:24,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:45:24,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:45:24,477 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:45:24,478 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:45:24,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:45:24,479 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:45:24,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:45:24,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:45:24,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:45:24,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:24,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:45:24,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:45:24,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:45:24,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:45:24,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:24,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:45:24,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:45:24,481 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:45:24,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:45:24,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:45:24,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:45:24,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:45:24,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:45:24,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:45:24,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:45:24,483 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_35c9f2d8-310c-42ca-9802-f55cc80ef355/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 -> d732923830fb3a71ab6990fcf85b09499ea996afd0bf98e12e19d094dda2a9f7 [2024-11-24 01:45:24,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:45:24,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:45:24,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:45:24,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:45:24,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:45:24,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2024-11-24 01:45:28,769 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/data/e2dc83ac9/9b70f2f646aa4700a2809d84ec37095b/FLAGda4a18e0d [2024-11-24 01:45:29,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:45:29,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2024-11-24 01:45:29,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/data/e2dc83ac9/9b70f2f646aa4700a2809d84ec37095b/FLAGda4a18e0d [2024-11-24 01:45:29,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/data/e2dc83ac9/9b70f2f646aa4700a2809d84ec37095b [2024-11-24 01:45:29,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:45:29,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:45:29,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:45:29,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:45:29,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:45:29,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:45:29" (1/1) ... [2024-11-24 01:45:29,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32be4992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:29, skipping insertion in model container [2024-11-24 01:45:29,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:45:29" (1/1) ... [2024-11-24 01:45:29,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:45:30,540 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_35c9f2d8-310c-42ca-9802-f55cc80ef355/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c[28349,28362] [2024-11-24 01:45:30,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:45:30,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:45:30,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-24 01:45:30,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [281] [2024-11-24 01:45:30,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [314] [2024-11-24 01:45:30,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] [2024-11-24 01:45:30,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [370] [2024-11-24 01:45:30,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [736] [2024-11-24 01:45:30,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1148] [2024-11-24 01:45:30,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1246] [2024-11-24 01:45:30,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1255] [2024-11-24 01:45:30,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1571] [2024-11-24 01:45:30,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1941] [2024-11-24 01:45:30,943 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_35c9f2d8-310c-42ca-9802-f55cc80ef355/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c[28349,28362] [2024-11-24 01:45:31,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:45:31,071 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:45:31,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31 WrapperNode [2024-11-24 01:45:31,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:45:31,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:45:31,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:45:31,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:45:31,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,198 INFO L138 Inliner]: procedures = 133, calls = 207, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1128 [2024-11-24 01:45:31,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:45:31,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:45:31,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:45:31,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:45:31,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,279 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-24 01:45:31,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:45:31,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:45:31,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:45:31,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:45:31,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (1/1) ... [2024-11-24 01:45:31,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:45:31,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:31,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:45:31,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:45:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-24 01:45:31,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-24 01:45:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-24 01:45:31,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-24 01:45:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-24 01:45:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-24 01:45:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-24 01:45:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-24 01:45:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-24 01:45:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-24 01:45:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-24 01:45:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-24 01:45:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-24 01:45:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-24 01:45:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-24 01:45:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-24 01:45:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-24 01:45:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-24 01:45:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-24 01:45:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-24 01:45:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-24 01:45:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-24 01:45:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-24 01:45:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-24 01:45:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:45:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-24 01:45:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-24 01:45:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-24 01:45:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-24 01:45:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-24 01:45:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-24 01:45:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-24 01:45:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-24 01:45:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-24 01:45:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-24 01:45:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-24 01:45:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-24 01:45:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-24 01:45:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-24 01:45:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-24 01:45:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-24 01:45:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:45:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:45:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:45:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:45:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-24 01:45:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-24 01:45:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-24 01:45:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-24 01:45:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:45:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:45:31,813 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:45:31,816 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:45:33,592 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2024-11-24 01:45:33,592 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:45:33,633 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:45:33,633 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:45:33,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:45:33 BoogieIcfgContainer [2024-11-24 01:45:33,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:45:33,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:45:33,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:45:33,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:45:33,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:45:29" (1/3) ... [2024-11-24 01:45:33,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116ad9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:45:33, skipping insertion in model container [2024-11-24 01:45:33,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:45:31" (2/3) ... [2024-11-24 01:45:33,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116ad9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:45:33, skipping insertion in model container [2024-11-24 01:45:33,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:45:33" (3/3) ... [2024-11-24 01:45:33,657 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec0_product27.cil.c [2024-11-24 01:45:33,673 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:45:33,675 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec0_product27.cil.c that has 23 procedures, 397 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:45:33,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:45:33,807 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;@78241e4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:45:33,809 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:45:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 315 states have (on average 1.5682539682539682) internal successors, (494), 318 states have internal predecessors, (494), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-24 01:45:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 01:45:33,855 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:33,857 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 01:45:33,858 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:45:33,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:33,865 INFO L85 PathProgramCache]: Analyzing trace with hash 476009238, now seen corresponding path program 1 times [2024-11-24 01:45:33,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:33,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239011436] [2024-11-24 01:45:33,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:33,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-24 01:45:35,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:35,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239011436] [2024-11-24 01:45:35,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239011436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:35,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134117520] [2024-11-24 01:45:35,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:35,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:35,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:35,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:35,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:45:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:35,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:45:35,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-24 01:45:35,817 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:45:35,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134117520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:35,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:45:35,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-24 01:45:35,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491835451] [2024-11-24 01:45:35,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:35,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:45:35,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:35,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:45:35,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:45:35,855 INFO L87 Difference]: Start difference. First operand has 397 states, 315 states have (on average 1.5682539682539682) internal successors, (494), 318 states have internal predecessors, (494), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 01:45:35,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:35,948 INFO L93 Difference]: Finished difference Result 597 states and 903 transitions. [2024-11-24 01:45:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:45:35,951 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2024-11-24 01:45:35,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:35,977 INFO L225 Difference]: With dead ends: 597 [2024-11-24 01:45:35,977 INFO L226 Difference]: Without dead ends: 390 [2024-11-24 01:45:35,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 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 01:45:35,991 INFO L435 NwaCegarLoop]: 606 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, 606 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:35,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:45:36,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-24 01:45:36,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2024-11-24 01:45:36,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 309 states have (on average 1.5631067961165048) internal successors, (483), 311 states have internal predecessors, (483), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-24 01:45:36,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 598 transitions. [2024-11-24 01:45:36,099 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 598 transitions. Word has length 117 [2024-11-24 01:45:36,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:36,101 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 598 transitions. [2024-11-24 01:45:36,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 01:45:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 598 transitions. [2024-11-24 01:45:36,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 01:45:36,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:36,110 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 01:45:36,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:36,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:36,315 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:45:36,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:36,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2069061580, now seen corresponding path program 1 times [2024-11-24 01:45:36,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:36,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708689443] [2024-11-24 01:45:36,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:36,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-24 01:45:36,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:36,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708689443] [2024-11-24 01:45:36,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708689443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:36,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652787382] [2024-11-24 01:45:36,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:36,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:36,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:36,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:45:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:37,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:45:37,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-24 01:45:37,532 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:45:37,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652787382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:37,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:45:37,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-24 01:45:37,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974936183] [2024-11-24 01:45:37,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:37,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:45:37,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:37,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:45:37,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:45:37,538 INFO L87 Difference]: Start difference. First operand 390 states and 598 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 01:45:37,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:37,617 INFO L93 Difference]: Finished difference Result 586 states and 880 transitions. [2024-11-24 01:45:37,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:45:37,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2024-11-24 01:45:37,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:37,623 INFO L225 Difference]: With dead ends: 586 [2024-11-24 01:45:37,623 INFO L226 Difference]: Without dead ends: 392 [2024-11-24 01:45:37,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 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 01:45:37,629 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 1 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:37,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1190 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:45:37,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-24 01:45:37,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 391. [2024-11-24 01:45:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 310 states have (on average 1.5612903225806452) internal successors, (484), 312 states have internal predecessors, (484), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-24 01:45:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 599 transitions. [2024-11-24 01:45:37,664 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 599 transitions. Word has length 117 [2024-11-24 01:45:37,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:37,664 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 599 transitions. [2024-11-24 01:45:37,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 01:45:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 599 transitions. [2024-11-24 01:45:37,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 01:45:37,671 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:37,671 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:45:37,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:45:37,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:37,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:45:37,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:37,873 INFO L85 PathProgramCache]: Analyzing trace with hash 562883417, now seen corresponding path program 1 times [2024-11-24 01:45:37,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:37,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202768368] [2024-11-24 01:45:37,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:37,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 01:45:38,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:38,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202768368] [2024-11-24 01:45:38,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202768368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:38,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430502963] [2024-11-24 01:45:38,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:38,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:38,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:38,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:45:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:38,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:45:38,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-24 01:45:38,956 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:45:38,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430502963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:38,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:45:38,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-24 01:45:38,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668366155] [2024-11-24 01:45:38,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:38,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:45:38,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:38,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:45:38,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:45:38,962 INFO L87 Difference]: Start difference. First operand 391 states and 599 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 01:45:39,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:39,064 INFO L93 Difference]: Finished difference Result 835 states and 1298 transitions. [2024-11-24 01:45:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:45:39,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-11-24 01:45:39,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:39,072 INFO L225 Difference]: With dead ends: 835 [2024-11-24 01:45:39,072 INFO L226 Difference]: Without dead ends: 470 [2024-11-24 01:45:39,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 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 01:45:39,078 INFO L435 NwaCegarLoop]: 615 mSDtfsCounter, 142 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:39,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1167 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:45:39,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-24 01:45:39,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 462. [2024-11-24 01:45:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 367 states have (on average 1.5803814713896458) internal successors, (580), 369 states have internal predecessors, (580), 72 states have call successors, (72), 22 states have call predecessors, (72), 22 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-24 01:45:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 723 transitions. [2024-11-24 01:45:39,144 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 723 transitions. Word has length 125 [2024-11-24 01:45:39,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:39,145 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 723 transitions. [2024-11-24 01:45:39,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 01:45:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 723 transitions. [2024-11-24 01:45:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 01:45:39,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:39,153 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 1] [2024-11-24 01:45:39,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:45:39,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:39,356 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:45:39,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash 2099670271, now seen corresponding path program 1 times [2024-11-24 01:45:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:39,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482389444] [2024-11-24 01:45:39,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:39,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 01:45:39,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:39,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482389444] [2024-11-24 01:45:39,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482389444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:39,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763379031] [2024-11-24 01:45:39,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:39,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:39,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:39,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:39,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:45:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:40,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:45:40,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-24 01:45:40,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:45:40,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763379031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:40,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:45:40,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-24 01:45:40,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86525103] [2024-11-24 01:45:40,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:40,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:45:40,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:40,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:45:40,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:45:40,398 INFO L87 Difference]: Start difference. First operand 462 states and 723 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-24 01:45:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:40,536 INFO L93 Difference]: Finished difference Result 915 states and 1436 transitions. [2024-11-24 01:45:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:45:40,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 126 [2024-11-24 01:45:40,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:40,544 INFO L225 Difference]: With dead ends: 915 [2024-11-24 01:45:40,544 INFO L226 Difference]: Without dead ends: 464 [2024-11-24 01:45:40,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 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 01:45:40,551 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 2 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:40,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2349 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-24 01:45:40,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-24 01:45:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 368 states have (on average 1.578804347826087) internal successors, (581), 371 states have internal predecessors, (581), 72 states have call successors, (72), 22 states have call predecessors, (72), 23 states have return successors, (73), 70 states have call predecessors, (73), 71 states have call successors, (73) [2024-11-24 01:45:40,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 726 transitions. [2024-11-24 01:45:40,606 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 726 transitions. Word has length 126 [2024-11-24 01:45:40,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:40,607 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 726 transitions. [2024-11-24 01:45:40,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-24 01:45:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 726 transitions. [2024-11-24 01:45:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:45:40,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:40,613 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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, 1, 1, 1] [2024-11-24 01:45:40,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:40,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:40,818 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:45:40,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash 968400011, now seen corresponding path program 1 times [2024-11-24 01:45:40,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:40,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138737759] [2024-11-24 01:45:40,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 01:45:41,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:41,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138737759] [2024-11-24 01:45:41,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138737759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:45:41,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991036210] [2024-11-24 01:45:41,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:41,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:41,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:45:41,207 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:45:41,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:45:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:41,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:45:41,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:45:41,935 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-24 01:45:41,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:45:41,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991036210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:41,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:45:41,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-24 01:45:41,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376049933] [2024-11-24 01:45:41,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:41,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:45:41,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:41,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:45:41,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:45:41,938 INFO L87 Difference]: Start difference. First operand 464 states and 726 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-24 01:45:42,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:42,096 INFO L93 Difference]: Finished difference Result 917 states and 1441 transitions. [2024-11-24 01:45:42,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:45:42,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2024-11-24 01:45:42,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:42,102 INFO L225 Difference]: With dead ends: 917 [2024-11-24 01:45:42,104 INFO L226 Difference]: Without dead ends: 466 [2024-11-24 01:45:42,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:45:42,109 INFO L435 NwaCegarLoop]: 588 mSDtfsCounter, 2 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:42,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2335 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:45:42,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-24 01:45:42,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2024-11-24 01:45:42,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 369 states have (on average 1.5772357723577235) internal successors, (582), 373 states have internal predecessors, (582), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2024-11-24 01:45:42,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 732 transitions. [2024-11-24 01:45:42,158 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 732 transitions. Word has length 127 [2024-11-24 01:45:42,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:42,158 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 732 transitions. [2024-11-24 01:45:42,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-24 01:45:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 732 transitions. [2024-11-24 01:45:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:45:42,163 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:42,164 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1] [2024-11-24 01:45:42,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-24 01:45:42,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:45:42,364 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:45:42,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:42,365 INFO L85 PathProgramCache]: Analyzing trace with hash 605467379, now seen corresponding path program 1 times [2024-11-24 01:45:42,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:42,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503694578] [2024-11-24 01:45:42,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:45:42,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:45:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 01:45:42,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:42,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503694578] [2024-11-24 01:45:42,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503694578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:42,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:42,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:45:42,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973531619] [2024-11-24 01:45:42,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:42,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:45:42,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:42,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:45:42,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:45:42,665 INFO L87 Difference]: Start difference. First operand 466 states and 732 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-24 01:45:42,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:42,754 INFO L93 Difference]: Finished difference Result 909 states and 1432 transitions. [2024-11-24 01:45:42,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:45:42,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 128 [2024-11-24 01:45:42,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:42,760 INFO L225 Difference]: With dead ends: 909 [2024-11-24 01:45:42,761 INFO L226 Difference]: Without dead ends: 466 [2024-11-24 01:45:42,763 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 01:45:42,764 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 2 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2353 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 01:45:42,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2353 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:45:42,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-24 01:45:42,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2024-11-24 01:45:42,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 369 states have (on average 1.5772357723577235) internal successors, (582), 373 states have internal predecessors, (582), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (77), 70 states have call predecessors, (77), 71 states have call successors, (77) [2024-11-24 01:45:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 731 transitions. [2024-11-24 01:45:42,797 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 731 transitions. Word has length 128 [2024-11-24 01:45:42,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:42,799 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 731 transitions. [2024-11-24 01:45:42,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-24 01:45:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 731 transitions. [2024-11-24 01:45:42,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:45:42,806 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:45:42,806 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1] [2024-11-24 01:45:42,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:45:42,806 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:45:42,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:45:42,807 INFO L85 PathProgramCache]: Analyzing trace with hash -345327071, now seen corresponding path program 2 times [2024-11-24 01:45:42,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:45:42,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488555587] [2024-11-24 01:45:42,807 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:45:42,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:45:42,861 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:45:42,861 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:45:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-24 01:45:43,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:45:43,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488555587] [2024-11-24 01:45:43,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488555587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:45:43,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:45:43,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:45:43,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212360586] [2024-11-24 01:45:43,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:45:43,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:45:43,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:45:43,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:45:43,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:45:43,026 INFO L87 Difference]: Start difference. First operand 466 states and 731 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:45:43,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:45:43,103 INFO L93 Difference]: Finished difference Result 466 states and 731 transitions. [2024-11-24 01:45:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:45:43,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 129 [2024-11-24 01:45:43,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:45:43,105 INFO L225 Difference]: With dead ends: 466 [2024-11-24 01:45:43,105 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:45:43,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:45:43,111 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 0 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:45:43,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3543 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:45:43,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:45:43,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:45:43,115 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 01:45:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:45:43,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 129 [2024-11-24 01:45:43,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:45:43,116 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:45:43,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:45:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:45:43,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:45:43,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:45:43,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:45:43,125 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-11-24 01:45:43,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:45:43,304 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:45:43,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:45:43 BoogieIcfgContainer [2024-11-24 01:45:43,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:45:43,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:45:43,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:45:43,329 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:45:43,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:45:33" (3/4) ... [2024-11-24 01:45:43,333 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:45:43,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2024-11-24 01:45:43,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-11-24 01:45:43,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2024-11-24 01:45:43,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-11-24 01:45:43,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-11-24 01:45:43,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2024-11-24 01:45:43,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2024-11-24 01:45:43,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-11-24 01:45:43,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-11-24 01:45:43,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2024-11-24 01:45:43,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-11-24 01:45:43,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue [2024-11-24 01:45:43,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-11-24 01:45:43,345 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-11-24 01:45:43,384 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2024-11-24 01:45:43,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-24 01:45:43,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-24 01:45:43,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:45:43,394 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:45:43,397 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:45:43,640 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:45:43,640 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:45:43,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:45:43,643 INFO L158 Benchmark]: Toolchain (without parser) took 13765.37ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 101.6MB in the beginning and 144.0MB in the end (delta: -42.4MB). Peak memory consumption was 181.4MB. Max. memory is 16.1GB. [2024-11-24 01:45:43,644 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:45:43,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1195.16ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 62.3MB in the end (delta: 39.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:45:43,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.15ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 56.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:45:43,646 INFO L158 Benchmark]: Boogie Preprocessor took 144.27ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 49.5MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:45:43,646 INFO L158 Benchmark]: RCFGBuilder took 2281.49ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 49.5MB in the beginning and 318.4MB in the end (delta: -268.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-24 01:45:43,647 INFO L158 Benchmark]: TraceAbstraction took 9682.99ms. Allocated memory is still 369.1MB. Free memory was 317.5MB in the beginning and 161.3MB in the end (delta: 156.1MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. [2024-11-24 01:45:43,648 INFO L158 Benchmark]: Witness Printer took 313.38ms. Allocated memory is still 369.1MB. Free memory was 161.3MB in the beginning and 144.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:45:43,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1195.16ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 62.3MB in the end (delta: 39.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.15ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 56.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.27ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 49.5MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2281.49ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 49.5MB in the beginning and 318.4MB in the end (delta: -268.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9682.99ms. Allocated memory is still 369.1MB. Free memory was 317.5MB in the beginning and 161.3MB in the end (delta: 156.1MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. * Witness Printer took 313.38ms. Allocated memory is still 369.1MB. Free memory was 161.3MB in the beginning and 144.0MB in the end (delta: 17.3MB). 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,"scenario.i","") [48] - GenericResultAtLocation [Line: 281]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [281] - GenericResultAtLocation [Line: 314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [314] - GenericResultAtLocation [Line: 332]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [370] - GenericResultAtLocation [Line: 736]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [736] - GenericResultAtLocation [Line: 1148]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1148] - GenericResultAtLocation [Line: 1246]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1246] - GenericResultAtLocation [Line: 1255]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1255] - GenericResultAtLocation [Line: 1571]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1571] - GenericResultAtLocation [Line: 1941]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1941] * 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: 1251]: 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 23 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 13543 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9365 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4178 mSDtfsCounter, 154 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 648 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1481 NumberOfCodeBlocks, 1395 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1469 ConstructedInterpolants, 0 QuantifiedInterpolants, 1576 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5648 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 411/429 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 01:45:43,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35c9f2d8-310c-42ca-9802-f55cc80ef355/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