./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product18.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_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/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_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/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_c68bbe68-ff38-4861-82a9-0fb91d4be018/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 f70ac21a1decd51d5f9571a5be4450629a9ca28f5aa1158e9564f33ba44bf6ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:10:09,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:10:09,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:10:09,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:10:09,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:10:09,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:10:09,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:10:09,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:10:09,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:10:09,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:10:09,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:10:09,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:10:09,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:10:09,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:10:09,627 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:10:09,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:10:09,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:10:09,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:10:09,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:10:09,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:10:09,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:10:09,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:10:09,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:10:09,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:10:09,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:10:09,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:10:09,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:10:09,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:10:09,630 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:10:09,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:10:09,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:10:09,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:10:09,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:10:09,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:10:09,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:10:09,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:10:09,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:10:09,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:10:09,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:10:09,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:10:09,631 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:10:09,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:10:09,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:10:09,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:10:09,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:10:09,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:10:09,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:10:09,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:10:09,632 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_c68bbe68-ff38-4861-82a9-0fb91d4be018/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 -> f70ac21a1decd51d5f9571a5be4450629a9ca28f5aa1158e9564f33ba44bf6ef [2024-11-24 01:10:10,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:10:10,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:10:10,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:10:10,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:10:10,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:10:10,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/email_spec7_product18.cil.c [2024-11-24 01:10:13,416 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/data/bf9909afa/9db83a81ccef4e3eb4ad2d70f771d509/FLAGd0f393b88 [2024-11-24 01:10:13,949 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:10:13,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/sv-benchmarks/c/product-lines/email_spec7_product18.cil.c [2024-11-24 01:10:13,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/data/bf9909afa/9db83a81ccef4e3eb4ad2d70f771d509/FLAGd0f393b88 [2024-11-24 01:10:14,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/data/bf9909afa/9db83a81ccef4e3eb4ad2d70f771d509 [2024-11-24 01:10:14,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:10:14,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:10:14,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:10:14,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:10:14,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:10:14,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:10:14" (1/1) ... [2024-11-24 01:10:14,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624f9702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:14, skipping insertion in model container [2024-11-24 01:10:14,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:10:14" (1/1) ... [2024-11-24 01:10:14,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:10:14,764 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_c68bbe68-ff38-4861-82a9-0fb91d4be018/sv-benchmarks/c/product-lines/email_spec7_product18.cil.c[45803,45816] [2024-11-24 01:10:14,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:10:14,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:10:14,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-24 01:10:14,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [66] [2024-11-24 01:10:14,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432] [2024-11-24 01:10:14,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [481] [2024-11-24 01:10:14,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1561] [2024-11-24 01:10:14,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1973] [2024-11-24 01:10:14,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1982] [2024-11-24 01:10:14,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2274] [2024-11-24 01:10:14,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2373] [2024-11-24 01:10:14,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2658] [2024-11-24 01:10:14,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [2874] [2024-11-24 01:10:15,021 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_c68bbe68-ff38-4861-82a9-0fb91d4be018/sv-benchmarks/c/product-lines/email_spec7_product18.cil.c[45803,45816] [2024-11-24 01:10:15,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:10:15,107 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:10:15,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15 WrapperNode [2024-11-24 01:10:15,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:10:15,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:10:15,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:10:15,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:10:15,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,219 INFO L138 Inliner]: procedures = 127, calls = 184, calls flagged for inlining = 59, calls inlined = 50, statements flattened = 905 [2024-11-24 01:10:15,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:10:15,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:10:15,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:10:15,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:10:15,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,285 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 01:10:15,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,314 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:10:15,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:10:15,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:10:15,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:10:15,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (1/1) ... [2024-11-24 01:10:15,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:10:15,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:10:15,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:10:15,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:10:15,450 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-24 01:10:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-24 01:10:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-24 01:10:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-24 01:10:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-24 01:10:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-24 01:10:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-24 01:10:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-24 01:10:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-24 01:10:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-24 01:10:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-24 01:10:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-24 01:10:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-24 01:10:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-24 01:10:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-24 01:10:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-24 01:10:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:10:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-24 01:10:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-24 01:10:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-24 01:10:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-24 01:10:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-24 01:10:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-24 01:10:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-24 01:10:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-24 01:10:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-24 01:10:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-24 01:10:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-24 01:10:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-24 01:10:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-24 01:10:15,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-24 01:10:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:10:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:10:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:10:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:10:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-24 01:10:15,459 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-24 01:10:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:10:15,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:10:15,689 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:10:15,692 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:10:16,913 INFO L? ?]: Removed 393 outVars from TransFormulas that were not future-live. [2024-11-24 01:10:16,914 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:10:16,942 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:10:16,946 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:10:16,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:10:16 BoogieIcfgContainer [2024-11-24 01:10:16,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:10:16,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:10:16,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:10:16,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:10:16,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:10:14" (1/3) ... [2024-11-24 01:10:16,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb98150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:10:16, skipping insertion in model container [2024-11-24 01:10:16,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:15" (2/3) ... [2024-11-24 01:10:16,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb98150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:10:16, skipping insertion in model container [2024-11-24 01:10:16,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:10:16" (3/3) ... [2024-11-24 01:10:16,960 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec7_product18.cil.c [2024-11-24 01:10:16,983 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:10:16,986 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec7_product18.cil.c that has 17 procedures, 283 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:10:17,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:10:17,109 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;@41f7e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:10:17,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:10:17,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 227 states have (on average 1.550660792951542) internal successors, (352), 229 states have internal predecessors, (352), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:10:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-24 01:10:17,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:17,139 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:17,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:10:17,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:17,147 INFO L85 PathProgramCache]: Analyzing trace with hash 324321746, now seen corresponding path program 1 times [2024-11-24 01:10:17,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:17,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332855031] [2024-11-24 01:10:17,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-24 01:10:18,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:18,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332855031] [2024-11-24 01:10:18,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332855031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:10:18,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755152214] [2024-11-24 01:10:18,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:18,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:10:18,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:10:18,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:10:18,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:10:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:18,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:10:18,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:10:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:10:18,524 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:10:18,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755152214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:18,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:10:18,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-24 01:10:18,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748205606] [2024-11-24 01:10:18,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:18,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:10:18,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:18,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:10:18,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:10:18,558 INFO L87 Difference]: Start difference. First operand has 283 states, 227 states have (on average 1.550660792951542) internal successors, (352), 229 states have internal predecessors, (352), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:10:18,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:18,625 INFO L93 Difference]: Finished difference Result 413 states and 611 transitions. [2024-11-24 01:10:18,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:10:18,630 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2024-11-24 01:10:18,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:18,649 INFO L225 Difference]: With dead ends: 413 [2024-11-24 01:10:18,649 INFO L226 Difference]: Without dead ends: 276 [2024-11-24 01:10:18,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 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 01:10:18,661 INFO L435 NwaCegarLoop]: 424 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, 424 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 01:10:18,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:10:18,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-24 01:10:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-11-24 01:10:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 221 states have (on average 1.5429864253393666) internal successors, (341), 222 states have internal predecessors, (341), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 01:10:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 416 transitions. [2024-11-24 01:10:18,750 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 416 transitions. Word has length 86 [2024-11-24 01:10:18,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:18,752 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 416 transitions. [2024-11-24 01:10:18,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:10:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 416 transitions. [2024-11-24 01:10:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-24 01:10:18,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:18,757 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:18,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:10:18,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:10:18,959 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:10:18,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:18,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1927109208, now seen corresponding path program 1 times [2024-11-24 01:10:18,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:18,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703442684] [2024-11-24 01:10:18,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:18,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-24 01:10:19,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:19,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703442684] [2024-11-24 01:10:19,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703442684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:10:19,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711649399] [2024-11-24 01:10:19,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:19,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:10:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:10:19,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:10:19,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:10:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:19,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:10:19,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:10:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:10:19,841 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:10:19,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711649399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:19,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:10:19,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-24 01:10:19,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040742568] [2024-11-24 01:10:19,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:19,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:19,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:19,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:19,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:10:19,848 INFO L87 Difference]: Start difference. First operand 276 states and 416 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:10:19,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:19,929 INFO L93 Difference]: Finished difference Result 402 states and 591 transitions. [2024-11-24 01:10:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:19,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2024-11-24 01:10:19,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:19,934 INFO L225 Difference]: With dead ends: 402 [2024-11-24 01:10:19,938 INFO L226 Difference]: Without dead ends: 278 [2024-11-24 01:10:19,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 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 01:10:19,944 INFO L435 NwaCegarLoop]: 414 mSDtfsCounter, 1 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 826 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 01:10:19,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 826 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:10:19,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-24 01:10:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 277. [2024-11-24 01:10:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 222 states have (on average 1.5405405405405406) internal successors, (342), 223 states have internal predecessors, (342), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 01:10:19,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 417 transitions. [2024-11-24 01:10:19,990 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 417 transitions. Word has length 86 [2024-11-24 01:10:19,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:19,993 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 417 transitions. [2024-11-24 01:10:19,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:10:19,993 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 417 transitions. [2024-11-24 01:10:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 01:10:20,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:20,000 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:20,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:10:20,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:10:20,207 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:10:20,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:20,207 INFO L85 PathProgramCache]: Analyzing trace with hash 873762539, now seen corresponding path program 1 times [2024-11-24 01:10:20,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:20,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072717806] [2024-11-24 01:10:20,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:20,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-24 01:10:20,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:20,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072717806] [2024-11-24 01:10:20,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072717806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:10:20,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925528098] [2024-11-24 01:10:20,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:10:20,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:10:20,682 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:10:20,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:10:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:21,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:10:21,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:10:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:10:21,163 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:10:21,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925528098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:21,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:10:21,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-24 01:10:21,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247514213] [2024-11-24 01:10:21,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:21,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:21,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:21,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:21,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:10:21,166 INFO L87 Difference]: Start difference. First operand 277 states and 417 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:10:21,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:21,247 INFO L93 Difference]: Finished difference Result 584 states and 893 transitions. [2024-11-24 01:10:21,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:21,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-24 01:10:21,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:21,253 INFO L225 Difference]: With dead ends: 584 [2024-11-24 01:10:21,253 INFO L226 Difference]: Without dead ends: 333 [2024-11-24 01:10:21,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 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 01:10:21,260 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 107 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 795 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 01:10:21,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 795 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:10:21,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-24 01:10:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 325. [2024-11-24 01:10:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 259 states have (on average 1.555984555984556) internal successors, (403), 260 states have internal predecessors, (403), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:10:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 500 transitions. [2024-11-24 01:10:21,297 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 500 transitions. Word has length 94 [2024-11-24 01:10:21,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:21,297 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 500 transitions. [2024-11-24 01:10:21,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:10:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 500 transitions. [2024-11-24 01:10:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-24 01:10:21,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:21,303 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:21,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:10:21,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:10:21,506 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:10:21,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:21,506 INFO L85 PathProgramCache]: Analyzing trace with hash 648470890, now seen corresponding path program 1 times [2024-11-24 01:10:21,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:21,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021210636] [2024-11-24 01:10:21,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:21,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-24 01:10:21,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:21,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021210636] [2024-11-24 01:10:21,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021210636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:10:21,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675215385] [2024-11-24 01:10:21,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:21,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:10:21,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:10:21,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:10:21,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:10:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:22,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:10:22,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:10:22,252 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-24 01:10:22,252 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:10:22,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675215385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:22,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:10:22,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-24 01:10:22,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126314195] [2024-11-24 01:10:22,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:22,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:10:22,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:22,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:10:22,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:10:22,255 INFO L87 Difference]: Start difference. First operand 325 states and 500 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 01:10:22,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:22,359 INFO L93 Difference]: Finished difference Result 641 states and 990 transitions. [2024-11-24 01:10:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:10:22,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 95 [2024-11-24 01:10:22,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:22,365 INFO L225 Difference]: With dead ends: 641 [2024-11-24 01:10:22,365 INFO L226 Difference]: Without dead ends: 327 [2024-11-24 01:10:22,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 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 01:10:22,367 INFO L435 NwaCegarLoop]: 408 mSDtfsCounter, 2 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:22,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1621 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:10:22,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-24 01:10:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-11-24 01:10:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 260 states have (on average 1.5538461538461539) internal successors, (404), 262 states have internal predecessors, (404), 49 states have call successors, (49), 16 states have call predecessors, (49), 17 states have return successors, (50), 48 states have call predecessors, (50), 48 states have call successors, (50) [2024-11-24 01:10:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 503 transitions. [2024-11-24 01:10:22,388 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 503 transitions. Word has length 95 [2024-11-24 01:10:22,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:22,388 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 503 transitions. [2024-11-24 01:10:22,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 01:10:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 503 transitions. [2024-11-24 01:10:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 01:10:22,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:22,391 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:22,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:10:22,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-24 01:10:22,592 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:10:22,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:22,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1714904051, now seen corresponding path program 1 times [2024-11-24 01:10:22,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:22,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650596419] [2024-11-24 01:10:22,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:22,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-24 01:10:22,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:22,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650596419] [2024-11-24 01:10:22,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650596419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:10:22,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562356658] [2024-11-24 01:10:22,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:22,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:10:22,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:10:22,887 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:10:22,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:10:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:23,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:10:23,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:10:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-24 01:10:23,341 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:10:23,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562356658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:23,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:10:23,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-24 01:10:23,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886870271] [2024-11-24 01:10:23,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:23,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:10:23,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:23,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:10:23,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:10:23,345 INFO L87 Difference]: Start difference. First operand 327 states and 503 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 01:10:23,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:23,471 INFO L93 Difference]: Finished difference Result 643 states and 995 transitions. [2024-11-24 01:10:23,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:10:23,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 96 [2024-11-24 01:10:23,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:23,476 INFO L225 Difference]: With dead ends: 643 [2024-11-24 01:10:23,479 INFO L226 Difference]: Without dead ends: 329 [2024-11-24 01:10:23,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 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 01:10:23,481 INFO L435 NwaCegarLoop]: 406 mSDtfsCounter, 2 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1607 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 01:10:23,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1607 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:10:23,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-24 01:10:23,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-24 01:10:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 261 states have (on average 1.5517241379310345) internal successors, (405), 264 states have internal predecessors, (405), 49 states have call successors, (49), 16 states have call predecessors, (49), 18 states have return successors, (55), 48 states have call predecessors, (55), 48 states have call successors, (55) [2024-11-24 01:10:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 509 transitions. [2024-11-24 01:10:23,516 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 509 transitions. Word has length 96 [2024-11-24 01:10:23,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:23,518 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 509 transitions. [2024-11-24 01:10:23,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 01:10:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 509 transitions. [2024-11-24 01:10:23,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-24 01:10:23,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:23,524 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:23,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 01:10:23,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:10:23,725 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:10:23,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:23,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1656640248, now seen corresponding path program 1 times [2024-11-24 01:10:23,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:23,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192825255] [2024-11-24 01:10:23,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:23,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-24 01:10:23,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:23,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192825255] [2024-11-24 01:10:23,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192825255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:23,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:23,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:10:23,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479773758] [2024-11-24 01:10:23,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:23,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:10:23,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:23,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:10:23,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:10:23,986 INFO L87 Difference]: Start difference. First operand 329 states and 509 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 01:10:24,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:24,049 INFO L93 Difference]: Finished difference Result 635 states and 986 transitions. [2024-11-24 01:10:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:10:24,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2024-11-24 01:10:24,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:24,056 INFO L225 Difference]: With dead ends: 635 [2024-11-24 01:10:24,056 INFO L226 Difference]: Without dead ends: 329 [2024-11-24 01:10:24,057 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 01:10:24,059 INFO L435 NwaCegarLoop]: 409 mSDtfsCounter, 2 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1625 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 01:10:24,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1625 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:10:24,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-24 01:10:24,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-24 01:10:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 261 states have (on average 1.5517241379310345) internal successors, (405), 264 states have internal predecessors, (405), 49 states have call successors, (49), 16 states have call predecessors, (49), 18 states have return successors, (54), 48 states have call predecessors, (54), 48 states have call successors, (54) [2024-11-24 01:10:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 508 transitions. [2024-11-24 01:10:24,092 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 508 transitions. Word has length 97 [2024-11-24 01:10:24,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:24,096 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 508 transitions. [2024-11-24 01:10:24,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 01:10:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 508 transitions. [2024-11-24 01:10:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 01:10:24,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:24,099 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:24,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:10:24,103 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:10:24,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:24,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1395862161, now seen corresponding path program 2 times [2024-11-24 01:10:24,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:24,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778138551] [2024-11-24 01:10:24,104 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:10:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:24,141 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:10:24,141 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:10:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 01:10:24,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:24,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778138551] [2024-11-24 01:10:24,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778138551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:24,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:24,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:10:24,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812010363] [2024-11-24 01:10:24,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:24,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:10:24,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:24,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:10:24,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:10:24,234 INFO L87 Difference]: Start difference. First operand 329 states and 508 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:10:24,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:24,273 INFO L93 Difference]: Finished difference Result 329 states and 508 transitions. [2024-11-24 01:10:24,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:10:24,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 98 [2024-11-24 01:10:24,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:24,275 INFO L225 Difference]: With dead ends: 329 [2024-11-24 01:10:24,275 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:10:24,276 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 01:10:24,277 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 0 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:24,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1641 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:10:24,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:10:24,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:10:24,278 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 01:10:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:10:24,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2024-11-24 01:10:24,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:24,279 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:10:24,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:10:24,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:10:24,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:10:24,283 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:10:24,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:10:24,286 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-11-24 01:10:24,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:10:24,400 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:10:24,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:10:24 BoogieIcfgContainer [2024-11-24 01:10:24,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:10:24,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:10:24,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:10:24,421 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:10:24,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:10:16" (3/4) ... [2024-11-24 01:10:24,424 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:10:24,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2024-11-24 01:10:24,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-11-24 01:10:24,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2024-11-24 01:10:24,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-11-24 01:10:24,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-11-24 01:10:24,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-11-24 01:10:24,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-11-24 01:10:24,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-11-24 01:10:24,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-11-24 01:10:24,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-11-24 01:10:24,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-11-24 01:10:24,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-11-24 01:10:24,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-11-24 01:10:24,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-11-24 01:10:24,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-11-24 01:10:24,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-11-24 01:10:24,457 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-11-24 01:10:24,459 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-11-24 01:10:24,460 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-24 01:10:24,462 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:10:24,464 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:10:24,465 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:10:24,652 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:10:24,652 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:10:24,652 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:10:24,655 INFO L158 Benchmark]: Toolchain (without parser) took 10629.38ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 103.8MB in the beginning and 215.3MB in the end (delta: -111.5MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. [2024-11-24 01:10:24,655 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:10:24,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1082.18ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 66.0MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:10:24,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.27ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 60.8MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:10:24,657 INFO L158 Benchmark]: Boogie Preprocessor took 141.74ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 55.5MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:10:24,657 INFO L158 Benchmark]: RCFGBuilder took 1583.83ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 57.5MB in the end (delta: -2.0MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-24 01:10:24,658 INFO L158 Benchmark]: TraceAbstraction took 7469.99ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 56.8MB in the beginning and 231.9MB in the end (delta: -175.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-24 01:10:24,658 INFO L158 Benchmark]: Witness Printer took 231.99ms. Allocated memory is still 369.1MB. Free memory was 231.9MB in the beginning and 215.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:10:24,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1082.18ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 66.0MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.27ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 60.8MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 141.74ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 55.5MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1583.83ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 57.5MB in the end (delta: -2.0MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7469.99ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 56.8MB in the beginning and 231.9MB in the end (delta: -175.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Witness Printer took 231.99ms. Allocated memory is still 369.1MB. Free memory was 231.9MB in the beginning and 215.3MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] - GenericResultAtLocation [Line: 66]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [66] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432] - GenericResultAtLocation [Line: 481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [481] - GenericResultAtLocation [Line: 1561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1561] - GenericResultAtLocation [Line: 1973]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1973] - GenericResultAtLocation [Line: 1982]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1982] - GenericResultAtLocation [Line: 2274]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2274] - GenericResultAtLocation [Line: 2373]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2373] - GenericResultAtLocation [Line: 2658]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2658] - GenericResultAtLocation [Line: 2874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [2874] * 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: 1978]: 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 17 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 8539 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5640 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2899 mSDtfsCounter, 138 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 490 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1109 NumberOfCodeBlocks, 1054 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1097 ConstructedInterpolants, 0 QuantifiedInterpolants, 1198 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4738 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 327/345 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 01:10:24,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68bbe68-ff38-4861-82a9-0fb91d4be018/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE