./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB --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 00530584ceb95509e59a4223c6066e974815f5b40475a70fc9a47cceec3e0b2f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:15:20,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:15:20,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:15:20,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:15:20,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:15:20,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:15:20,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:15:20,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:15:20,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:15:20,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:15:20,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:15:20,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:15:20,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:15:20,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:15:20,863 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:15:20,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:15:20,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:15:20,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:15:20,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:15:20,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:15:20,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:15:20,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:15:20,864 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:15:20,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:15:20,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:15:20,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:15:20,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:15:20,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:15:20,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:15:20,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:15:20,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:15:20,865 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:15:20,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:15:20,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:15:20,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:15:20,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:15:20,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:15:20,867 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:15:20,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:15:20,867 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_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 00530584ceb95509e59a4223c6066e974815f5b40475a70fc9a47cceec3e0b2f [2024-11-27 20:15:21,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:15:21,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:15:21,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:15:21,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:15:21,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:15:21,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2024-11-27 20:15:24,340 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/data/bc2a77ee7/dd3ba3484ffb49a79d0be5accb31eaef/FLAGfb78c1621 [2024-11-27 20:15:24,700 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:15:24,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2024-11-27 20:15:24,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/data/bc2a77ee7/dd3ba3484ffb49a79d0be5accb31eaef/FLAGfb78c1621 [2024-11-27 20:15:24,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/data/bc2a77ee7/dd3ba3484ffb49a79d0be5accb31eaef [2024-11-27 20:15:24,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:15:24,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:15:24,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:15:24,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:15:24,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:15:24,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:15:24" (1/1) ... [2024-11-27 20:15:24,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5013dad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:24, skipping insertion in model container [2024-11-27 20:15:24,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:15:24" (1/1) ... [2024-11-27 20:15:24,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:15:25,381 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_e112a761-9f11-4435-8252-4719e96ea807/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c[34014,34027] [2024-11-27 20:15:25,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:15:25,674 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:15:25,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-11-27 20:15:25,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1128] [2024-11-27 20:15:25,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1525] [2024-11-27 20:15:25,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1534] [2024-11-27 20:15:25,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1572] [2024-11-27 20:15:25,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1670] [2024-11-27 20:15:25,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1980] [2024-11-27 20:15:25,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2346] [2024-11-27 20:15:25,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2568] [2024-11-27 20:15:25,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2585] [2024-11-27 20:15:25,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2604] [2024-11-27 20:15:25,789 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_e112a761-9f11-4435-8252-4719e96ea807/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c[34014,34027] [2024-11-27 20:15:25,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:15:25,907 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:15:25,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25 WrapperNode [2024-11-27 20:15:25,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:15:25,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:15:25,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:15:25,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:15:25,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:25,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,035 INFO L138 Inliner]: procedures = 133, calls = 207, calls flagged for inlining = 65, calls inlined = 62, statements flattened = 1128 [2024-11-27 20:15:26,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:15:26,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:15:26,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:15:26,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:15:26,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,108 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]. [2024-11-27 20:15:26,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,141 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:15:26,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:15:26,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:15:26,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:15:26,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (1/1) ... [2024-11-27 20:15:26,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:15:26,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:26,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:15:26,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:15:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-27 20:15:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-27 20:15:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-27 20:15:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-27 20:15:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-27 20:15:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-27 20:15:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-27 20:15:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-27 20:15:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-27 20:15:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-27 20:15:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-27 20:15:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-27 20:15:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-27 20:15:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-27 20:15:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-27 20:15:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-27 20:15:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-27 20:15:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-27 20:15:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-27 20:15:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-27 20:15:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-27 20:15:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-27 20:15:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-27 20:15:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-27 20:15:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:15:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-27 20:15:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-27 20:15:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-27 20:15:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-27 20:15:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-27 20:15:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-27 20:15:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-27 20:15:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-27 20:15:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-27 20:15:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-27 20:15:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-27 20:15:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-27 20:15:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-27 20:15:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-27 20:15:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-27 20:15:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-27 20:15:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:15:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:15:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:15:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:15:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-27 20:15:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-27 20:15:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-27 20:15:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-27 20:15:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:15:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:15:26,580 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:15:26,582 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:15:27,912 INFO L? ?]: Removed 567 outVars from TransFormulas that were not future-live. [2024-11-27 20:15:27,912 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:15:27,931 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:15:27,931 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:15:27,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:15:27 BoogieIcfgContainer [2024-11-27 20:15:27,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:15:27,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:15:27,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:15:27,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:15:27,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:15:24" (1/3) ... [2024-11-27 20:15:27,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13316fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:15:27, skipping insertion in model container [2024-11-27 20:15:27,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:15:25" (2/3) ... [2024-11-27 20:15:27,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13316fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:15:27, skipping insertion in model container [2024-11-27 20:15:27,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:15:27" (3/3) ... [2024-11-27 20:15:27,942 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product27.cil.c [2024-11-27 20:15:27,957 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:15:27,960 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product27.cil.c that has 23 procedures, 397 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:15:28,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:15:28,046 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;@266de708, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:15:28,047 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:15:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 315 states have (on average 1.5682539682539682) internal successors, (494), 318 states have internal predecessors, (494), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-27 20:15:28,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 20:15:28,078 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:28,079 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:28,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:28,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:28,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1699892714, now seen corresponding path program 1 times [2024-11-27 20:15:28,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:28,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675443212] [2024-11-27 20:15:28,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:28,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 20:15:29,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:29,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675443212] [2024-11-27 20:15:29,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675443212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:29,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265937484] [2024-11-27 20:15:29,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:29,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:29,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:29,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:15:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:29,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:15:29,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 20:15:29,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:29,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265937484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:29,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:29,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-27 20:15:29,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835462149] [2024-11-27 20:15:29,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:29,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:15:29,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:29,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:15:29,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:15:29,622 INFO L87 Difference]: Start difference. First operand has 397 states, 315 states have (on average 1.5682539682539682) internal successors, (494), 318 states have internal predecessors, (494), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 20:15:29,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:29,722 INFO L93 Difference]: Finished difference Result 597 states and 903 transitions. [2024-11-27 20:15:29,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:15:29,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2024-11-27 20:15:29,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:29,749 INFO L225 Difference]: With dead ends: 597 [2024-11-27 20:15:29,750 INFO L226 Difference]: Without dead ends: 390 [2024-11-27 20:15:29,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:15:29,763 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:29,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:29,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-27 20:15:29,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2024-11-27 20:15:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 309 states have (on average 1.5631067961165048) internal successors, (483), 311 states have internal predecessors, (483), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 20:15:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 598 transitions. [2024-11-27 20:15:29,852 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 598 transitions. Word has length 107 [2024-11-27 20:15:29,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:29,853 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 598 transitions. [2024-11-27 20:15:29,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 20:15:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 598 transitions. [2024-11-27 20:15:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 20:15:29,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:29,864 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:29,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:15:30,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:30,065 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:30,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:30,065 INFO L85 PathProgramCache]: Analyzing trace with hash -118355380, now seen corresponding path program 1 times [2024-11-27 20:15:30,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:30,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304752605] [2024-11-27 20:15:30,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:30,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 20:15:30,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:30,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304752605] [2024-11-27 20:15:30,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304752605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:30,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896545071] [2024-11-27 20:15:30,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:30,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:30,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:30,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:30,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:15:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:30,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:15:30,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 20:15:30,948 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:30,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896545071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:30,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:30,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-27 20:15:30,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357963895] [2024-11-27 20:15:30,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:30,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:15:30,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:30,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:15:30,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:15:30,953 INFO L87 Difference]: Start difference. First operand 390 states and 598 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 20:15:31,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:31,039 INFO L93 Difference]: Finished difference Result 586 states and 880 transitions. [2024-11-27 20:15:31,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:15:31,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2024-11-27 20:15:31,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:31,047 INFO L225 Difference]: With dead ends: 586 [2024-11-27 20:15:31,048 INFO L226 Difference]: Without dead ends: 392 [2024-11-27 20:15:31,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:15:31,051 INFO L435 NwaCegarLoop]: 596 mSDtfsCounter, 1 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:31,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1190 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:31,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-27 20:15:31,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 391. [2024-11-27 20:15:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 310 states have (on average 1.5612903225806452) internal successors, (484), 312 states have internal predecessors, (484), 58 states have call successors, (58), 22 states have call predecessors, (58), 22 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 20:15:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 599 transitions. [2024-11-27 20:15:31,115 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 599 transitions. Word has length 107 [2024-11-27 20:15:31,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:31,117 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 599 transitions. [2024-11-27 20:15:31,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 20:15:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 599 transitions. [2024-11-27 20:15:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-27 20:15:31,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:31,124 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:31,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:31,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:31,325 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:31,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1836240359, now seen corresponding path program 1 times [2024-11-27 20:15:31,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:31,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252061019] [2024-11-27 20:15:31,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-27 20:15:31,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:31,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252061019] [2024-11-27 20:15:31,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252061019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:31,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927095794] [2024-11-27 20:15:31,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:31,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:31,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:31,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:31,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:15:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:32,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:15:32,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 20:15:32,128 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:32,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927095794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:32,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:32,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-27 20:15:32,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634174161] [2024-11-27 20:15:32,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:32,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:15:32,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:32,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:15:32,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:15:32,131 INFO L87 Difference]: Start difference. First operand 391 states and 599 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 20:15:32,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:32,177 INFO L93 Difference]: Finished difference Result 835 states and 1298 transitions. [2024-11-27 20:15:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:15:32,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2024-11-27 20:15:32,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:32,182 INFO L225 Difference]: With dead ends: 835 [2024-11-27 20:15:32,182 INFO L226 Difference]: Without dead ends: 470 [2024-11-27 20:15:32,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:15:32,185 INFO L435 NwaCegarLoop]: 616 mSDtfsCounter, 142 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1168 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 [2024-11-27 20:15:32,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1168 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:32,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-27 20:15:32,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 462. [2024-11-27 20:15:32,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 367 states have (on average 1.5803814713896458) internal successors, (580), 369 states have internal predecessors, (580), 72 states have call successors, (72), 22 states have call predecessors, (72), 22 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-27 20:15:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 723 transitions. [2024-11-27 20:15:32,220 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 723 transitions. Word has length 115 [2024-11-27 20:15:32,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:32,221 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 723 transitions. [2024-11-27 20:15:32,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 20:15:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 723 transitions. [2024-11-27 20:15:32,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 20:15:32,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:32,227 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:32,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:15:32,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:32,427 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:32,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:32,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1863881921, now seen corresponding path program 1 times [2024-11-27 20:15:32,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:32,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266502578] [2024-11-27 20:15:32,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:32,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-27 20:15:32,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:32,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266502578] [2024-11-27 20:15:32,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266502578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:32,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461859060] [2024-11-27 20:15:32,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:32,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:32,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:32,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:32,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:15:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:33,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:15:33,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 20:15:33,233 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:33,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461859060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:33,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:33,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-27 20:15:33,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892120595] [2024-11-27 20:15:33,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:33,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:15:33,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:33,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:15:33,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:33,235 INFO L87 Difference]: Start difference. First operand 462 states and 723 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:15:33,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:33,352 INFO L93 Difference]: Finished difference Result 915 states and 1436 transitions. [2024-11-27 20:15:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:15:33,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 116 [2024-11-27 20:15:33,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:33,357 INFO L225 Difference]: With dead ends: 915 [2024-11-27 20:15:33,358 INFO L226 Difference]: Without dead ends: 464 [2024-11-27 20:15:33,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:33,362 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 2 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:33,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2349 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-27 20:15:33,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-27 20:15:33,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 368 states have (on average 1.578804347826087) internal successors, (581), 371 states have internal predecessors, (581), 72 states have call successors, (72), 22 states have call predecessors, (72), 23 states have return successors, (73), 70 states have call predecessors, (73), 71 states have call successors, (73) [2024-11-27 20:15:33,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 726 transitions. [2024-11-27 20:15:33,402 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 726 transitions. Word has length 116 [2024-11-27 20:15:33,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:33,402 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 726 transitions. [2024-11-27 20:15:33,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:15:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 726 transitions. [2024-11-27 20:15:33,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-27 20:15:33,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:33,408 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:33,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:15:33,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:33,609 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:33,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:33,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2089199157, now seen corresponding path program 1 times [2024-11-27 20:15:33,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:33,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666925646] [2024-11-27 20:15:33,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:33,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-27 20:15:33,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:33,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666925646] [2024-11-27 20:15:33,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666925646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:33,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533397813] [2024-11-27 20:15:33,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:33,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:33,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:33,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:33,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:15:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:34,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:15:34,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 20:15:34,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:34,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533397813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:34,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:34,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-27 20:15:34,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031309677] [2024-11-27 20:15:34,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:34,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:15:34,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:34,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:15:34,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:15:34,399 INFO L87 Difference]: Start difference. First operand 464 states and 726 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:15:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:34,525 INFO L93 Difference]: Finished difference Result 917 states and 1441 transitions. [2024-11-27 20:15:34,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:15:34,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2024-11-27 20:15:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:34,531 INFO L225 Difference]: With dead ends: 917 [2024-11-27 20:15:34,531 INFO L226 Difference]: Without dead ends: 466 [2024-11-27 20:15:34,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:15:34,536 INFO L435 NwaCegarLoop]: 588 mSDtfsCounter, 2 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:34,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2335 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:15:34,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-27 20:15:34,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2024-11-27 20:15:34,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 369 states have (on average 1.5772357723577235) internal successors, (582), 373 states have internal predecessors, (582), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (78), 70 states have call predecessors, (78), 71 states have call successors, (78) [2024-11-27 20:15:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 732 transitions. [2024-11-27 20:15:34,583 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 732 transitions. Word has length 117 [2024-11-27 20:15:34,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:34,584 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 732 transitions. [2024-11-27 20:15:34,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:15:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 732 transitions. [2024-11-27 20:15:34,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-27 20:15:34,589 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:34,589 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:34,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:15:34,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:34,790 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:34,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:34,791 INFO L85 PathProgramCache]: Analyzing trace with hash -958082509, now seen corresponding path program 1 times [2024-11-27 20:15:34,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:34,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132716032] [2024-11-27 20:15:34,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:34,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-27 20:15:35,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:35,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132716032] [2024-11-27 20:15:35,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132716032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:35,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:35,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:15:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147543762] [2024-11-27 20:15:35,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:35,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:15:35,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:35,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:15:35,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:15:35,086 INFO L87 Difference]: Start difference. First operand 466 states and 732 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:15:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:35,171 INFO L93 Difference]: Finished difference Result 909 states and 1432 transitions. [2024-11-27 20:15:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:15:35,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2024-11-27 20:15:35,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:35,179 INFO L225 Difference]: With dead ends: 909 [2024-11-27 20:15:35,180 INFO L226 Difference]: Without dead ends: 466 [2024-11-27 20:15:35,182 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 [2024-11-27 20:15:35,182 INFO L435 NwaCegarLoop]: 591 mSDtfsCounter, 2 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:35,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2353 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:35,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-27 20:15:35,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2024-11-27 20:15:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 369 states have (on average 1.5772357723577235) internal successors, (582), 373 states have internal predecessors, (582), 72 states have call successors, (72), 22 states have call predecessors, (72), 24 states have return successors, (77), 70 states have call predecessors, (77), 71 states have call successors, (77) [2024-11-27 20:15:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 731 transitions. [2024-11-27 20:15:35,235 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 731 transitions. Word has length 118 [2024-11-27 20:15:35,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:35,236 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 731 transitions. [2024-11-27 20:15:35,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-27 20:15:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 731 transitions. [2024-11-27 20:15:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-27 20:15:35,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:35,240 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:35,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:15:35,241 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:35,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:35,241 INFO L85 PathProgramCache]: Analyzing trace with hash -758031647, now seen corresponding path program 2 times [2024-11-27 20:15:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564371751] [2024-11-27 20:15:35,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:15:35,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:35,284 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:15:35,284 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:15:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 20:15:35,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564371751] [2024-11-27 20:15:35,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564371751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:35,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:35,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:15:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879794060] [2024-11-27 20:15:35,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:35,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:15:35,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:35,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:15:35,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:15:35,427 INFO L87 Difference]: Start difference. First operand 466 states and 731 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-27 20:15:35,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:35,492 INFO L93 Difference]: Finished difference Result 466 states and 731 transitions. [2024-11-27 20:15:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:15:35,493 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 119 [2024-11-27 20:15:35,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:35,494 INFO L225 Difference]: With dead ends: 466 [2024-11-27 20:15:35,494 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:15:35,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:15:35,496 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 0 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:35,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3543 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:35,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:15:35,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:15:35,499 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) [2024-11-27 20:15:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:15:35,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2024-11-27 20:15:35,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:35,500 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:15:35,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 6 states have internal predecessors, (76), 1 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-27 20:15:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:15:35,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:15:35,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:15:35,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:15:35,508 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-11-27 20:15:35,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:15:35,652 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:15:35,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:15:35 BoogieIcfgContainer [2024-11-27 20:15:35,670 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:15:35,671 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:15:35,671 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:15:35,672 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:15:35,672 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:15:27" (3/4) ... [2024-11-27 20:15:35,675 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:15:35,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-11-27 20:15:35,682 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2024-11-27 20:15:35,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-11-27 20:15:35,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-11-27 20:15:35,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2024-11-27 20:15:35,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2024-11-27 20:15:35,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2024-11-27 20:15:35,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-11-27 20:15:35,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-11-27 20:15:35,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2024-11-27 20:15:35,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-11-27 20:15:35,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue [2024-11-27 20:15:35,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-11-27 20:15:35,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-11-27 20:15:35,714 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2024-11-27 20:15:35,716 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-11-27 20:15:35,718 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-27 20:15:35,720 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:15:35,722 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:15:35,724 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:15:35,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:15:35,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:15:35,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:15:35,935 INFO L158 Benchmark]: Toolchain (without parser) took 11191.65ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 90.5MB in the beginning and 74.1MB in the end (delta: 16.4MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-27 20:15:35,936 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:15:35,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1165.04ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 51.4MB in the end (delta: 39.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-27 20:15:35,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.05ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 45.6MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:15:35,938 INFO L158 Benchmark]: Boogie Preprocessor took 160.31ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 38.7MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:15:35,938 INFO L158 Benchmark]: RCFGBuilder took 1734.22ms. Allocated memory is still 117.4MB. Free memory was 38.7MB in the beginning and 58.5MB in the end (delta: -19.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-27 20:15:35,938 INFO L158 Benchmark]: TraceAbstraction took 7736.32ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 57.7MB in the beginning and 93.2MB in the end (delta: -35.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-27 20:15:35,939 INFO L158 Benchmark]: Witness Printer took 261.41ms. Allocated memory is still 176.2MB. Free memory was 93.2MB in the beginning and 74.1MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:15:35,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1165.04ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 51.4MB in the end (delta: 39.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.05ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 45.6MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.31ms. Allocated memory is still 117.4MB. Free memory was 45.6MB in the beginning and 38.7MB in the end (delta: 6.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1734.22ms. Allocated memory is still 117.4MB. Free memory was 38.7MB in the beginning and 58.5MB in the end (delta: -19.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7736.32ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 57.7MB in the beginning and 93.2MB in the end (delta: -35.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 261.41ms. Allocated memory is still 176.2MB. Free memory was 93.2MB in the beginning and 74.1MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] - GenericResultAtLocation [Line: 1128]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1128] - GenericResultAtLocation [Line: 1525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1525] - GenericResultAtLocation [Line: 1534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1534] - GenericResultAtLocation [Line: 1572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1572] - GenericResultAtLocation [Line: 1670]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1670] - GenericResultAtLocation [Line: 1980]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1980] - GenericResultAtLocation [Line: 2346]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2346] - GenericResultAtLocation [Line: 2568]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2568] - GenericResultAtLocation [Line: 2585]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2585] - GenericResultAtLocation [Line: 2604]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2604] * 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: 1530]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 13544 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9365 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4179 mSDtfsCounter, 154 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1361 NumberOfCodeBlocks, 1285 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1349 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5473 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 363/381 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:15:35,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e112a761-9f11-4435-8252-4719e96ea807/bin/uautomizer-verify-aQ6SnzHsRB/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