./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product25.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_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/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_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/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_cc3ec4a1-c059-4bfa-909b-637d833e9821/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 6fd6d1c71ba5dc2d3b9a29abb89e94ab4329c839d1f475ee44ea6eb34f32fbde --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:48:26,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:48:27,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:48:27,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:48:27,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:48:27,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:48:27,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:48:27,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:48:27,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:48:27,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:48:27,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:48:27,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:48:27,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:48:27,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:48:27,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:48:27,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:48:27,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:48:27,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:48:27,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:48:27,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:48:27,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:48:27,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:48:27,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:48:27,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:48:27,133 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:48:27,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:48:27,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:48:27,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:48:27,134 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:48:27,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:48:27,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:48:27,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:48:27,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:27,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:48:27,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:48:27,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:48:27,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:48:27,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:27,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:48:27,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:48:27,136 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:48:27,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:48:27,137 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:48:27,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:48:27,137 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:48:27,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:48:27,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:48:27,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:48:27,137 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_cc3ec4a1-c059-4bfa-909b-637d833e9821/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 -> 6fd6d1c71ba5dc2d3b9a29abb89e94ab4329c839d1f475ee44ea6eb34f32fbde [2024-11-28 02:48:27,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:48:27,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:48:27,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:48:27,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:48:27,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:48:27,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2024-11-28 02:48:31,073 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/data/df6b074b5/d76ba01416d94f75880d366d3b5246b6/FLAG4b84f0801 [2024-11-28 02:48:31,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:48:31,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2024-11-28 02:48:31,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/data/df6b074b5/d76ba01416d94f75880d366d3b5246b6/FLAG4b84f0801 [2024-11-28 02:48:31,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/data/df6b074b5/d76ba01416d94f75880d366d3b5246b6 [2024-11-28 02:48:31,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:48:31,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:48:31,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:48:31,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:48:31,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:48:31,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:31" (1/1) ... [2024-11-28 02:48:31,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e89ee8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:31, skipping insertion in model container [2024-11-28 02:48:31,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:31" (1/1) ... [2024-11-28 02:48:31,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:48:32,212 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_cc3ec4a1-c059-4bfa-909b-637d833e9821/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c[8804,8817] [2024-11-28 02:48:32,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:48:32,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:48:32,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-28 02:48:32,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [417] [2024-11-28 02:48:32,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [455] [2024-11-28 02:48:32,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [464] [2024-11-28 02:48:32,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [481] [2024-11-28 02:48:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [710] [2024-11-28 02:48:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [728] [2024-11-28 02:48:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1800] [2024-11-28 02:48:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2088] [2024-11-28 02:48:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2454] [2024-11-28 02:48:32,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2857] [2024-11-28 02:48:32,778 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_cc3ec4a1-c059-4bfa-909b-637d833e9821/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c[8804,8817] [2024-11-28 02:48:32,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:48:32,951 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:48:32,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32 WrapperNode [2024-11-28 02:48:32,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:48:32,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:48:32,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:48:32,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:48:32,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:32,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,059 INFO L138 Inliner]: procedures = 130, calls = 199, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1076 [2024-11-28 02:48:33,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:48:33,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:48:33,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:48:33,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:48:33,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,149 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]. [2024-11-28 02:48:33,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,197 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:48:33,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:48:33,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:48:33,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:48:33,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (1/1) ... [2024-11-28 02:48:33,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:33,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:33,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:48:33,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:48:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-28 02:48:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-28 02:48:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-28 02:48:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-28 02:48:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2024-11-28 02:48:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2024-11-28 02:48:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-28 02:48:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-28 02:48:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-28 02:48:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-28 02:48:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-28 02:48:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-28 02:48:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-28 02:48:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-28 02:48:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-28 02:48:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-28 02:48:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-28 02:48:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-28 02:48:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-28 02:48:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-28 02:48:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-28 02:48:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-28 02:48:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:48:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-28 02:48:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-28 02:48:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-28 02:48:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-28 02:48:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-28 02:48:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-28 02:48:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-28 02:48:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-28 02:48:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-28 02:48:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-28 02:48:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-28 02:48:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-28 02:48:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-28 02:48:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-28 02:48:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-28 02:48:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-28 02:48:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:48:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:48:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:48:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:48:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-28 02:48:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-28 02:48:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-28 02:48:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-28 02:48:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:48:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:48:33,763 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:48:33,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:48:35,384 INFO L? ?]: Removed 540 outVars from TransFormulas that were not future-live. [2024-11-28 02:48:35,384 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:48:35,407 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:48:35,407 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:48:35,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:35 BoogieIcfgContainer [2024-11-28 02:48:35,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:48:35,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:48:35,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:48:35,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:48:35,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:48:31" (1/3) ... [2024-11-28 02:48:35,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9f3bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:48:35, skipping insertion in model container [2024-11-28 02:48:35,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:32" (2/3) ... [2024-11-28 02:48:35,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9f3bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:48:35, skipping insertion in model container [2024-11-28 02:48:35,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:35" (3/3) ... [2024-11-28 02:48:35,420 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec7_product25.cil.c [2024-11-28 02:48:35,439 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:48:35,442 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec7_product25.cil.c that has 22 procedures, 378 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:48:35,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:48:35,583 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;@18fb7909, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:48:35,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:48:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 378 states, 301 states have (on average 1.5714285714285714) internal successors, (473), 304 states have internal predecessors, (473), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-28 02:48:35,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 02:48:35,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:35,624 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:35,625 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:35,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:35,634 INFO L85 PathProgramCache]: Analyzing trace with hash -676865878, now seen corresponding path program 1 times [2024-11-28 02:48:35,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:35,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494108236] [2024-11-28 02:48:35,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:35,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-28 02:48:36,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:36,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494108236] [2024-11-28 02:48:36,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494108236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:36,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59572084] [2024-11-28 02:48:36,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:36,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:36,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:36,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:48:36,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:48:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:37,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:48:37,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 02:48:37,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:48:37,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59572084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:37,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:37,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 02:48:37,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923558809] [2024-11-28 02:48:37,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:37,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:48:37,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:37,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:48:37,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:48:37,392 INFO L87 Difference]: Start difference. First operand has 378 states, 301 states have (on average 1.5714285714285714) internal successors, (473), 304 states have internal predecessors, (473), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:48:37,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:37,535 INFO L93 Difference]: Finished difference Result 566 states and 858 transitions. [2024-11-28 02:48:37,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:48:37,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2024-11-28 02:48:37,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:37,571 INFO L225 Difference]: With dead ends: 566 [2024-11-28 02:48:37,573 INFO L226 Difference]: Without dead ends: 373 [2024-11-28 02:48:37,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:48:37,589 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 1 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:37,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1147 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:48:37,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-28 02:48:37,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 372. [2024-11-28 02:48:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 296 states have (on average 1.5641891891891893) internal successors, (463), 298 states have internal predecessors, (463), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-28 02:48:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 570 transitions. [2024-11-28 02:48:37,702 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 570 transitions. Word has length 95 [2024-11-28 02:48:37,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:37,705 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 570 transitions. [2024-11-28 02:48:37,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:48:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 570 transitions. [2024-11-28 02:48:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 02:48:37,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:37,716 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:37,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:48:37,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:48:37,918 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:37,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:37,918 INFO L85 PathProgramCache]: Analyzing trace with hash -968648103, now seen corresponding path program 1 times [2024-11-28 02:48:37,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:37,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329538333] [2024-11-28 02:48:37,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:37,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-28 02:48:38,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:38,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329538333] [2024-11-28 02:48:38,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329538333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:38,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260210867] [2024-11-28 02:48:38,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:38,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:38,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:38,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:48:38,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:48:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:38,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:48:38,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 02:48:38,941 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:48:38,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260210867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:38,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:38,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 02:48:38,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435672737] [2024-11-28 02:48:38,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:38,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:48:38,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:38,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:48:38,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:48:38,945 INFO L87 Difference]: Start difference. First operand 372 states and 570 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:48:39,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:39,040 INFO L93 Difference]: Finished difference Result 792 states and 1232 transitions. [2024-11-28 02:48:39,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:48:39,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2024-11-28 02:48:39,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:39,049 INFO L225 Difference]: With dead ends: 792 [2024-11-28 02:48:39,053 INFO L226 Difference]: Without dead ends: 446 [2024-11-28 02:48:39,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:48:39,058 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 134 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1109 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 [2024-11-28 02:48:39,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1109 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:48:39,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-28 02:48:39,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 438. [2024-11-28 02:48:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 348 states have (on average 1.5833333333333333) internal successors, (551), 350 states have internal predecessors, (551), 68 states have call successors, (68), 21 states have call predecessors, (68), 21 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-28 02:48:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 686 transitions. [2024-11-28 02:48:39,135 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 686 transitions. Word has length 100 [2024-11-28 02:48:39,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:39,136 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 686 transitions. [2024-11-28 02:48:39,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:48:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 686 transitions. [2024-11-28 02:48:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 02:48:39,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:39,140 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:39,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:48:39,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-28 02:48:39,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:39,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:39,342 INFO L85 PathProgramCache]: Analyzing trace with hash -85918597, now seen corresponding path program 1 times [2024-11-28 02:48:39,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:39,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772243367] [2024-11-28 02:48:39,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:39,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-28 02:48:39,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:39,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772243367] [2024-11-28 02:48:39,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772243367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:39,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971731514] [2024-11-28 02:48:39,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:39,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:39,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:39,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:48:39,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:48:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:40,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:48:40,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 02:48:40,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:48:40,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971731514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:40,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:40,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-28 02:48:40,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176164083] [2024-11-28 02:48:40,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:40,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:48:40,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:40,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:48:40,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:48:40,313 INFO L87 Difference]: Start difference. First operand 438 states and 686 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 02:48:40,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:40,465 INFO L93 Difference]: Finished difference Result 867 states and 1362 transitions. [2024-11-28 02:48:40,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:48:40,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2024-11-28 02:48:40,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:40,471 INFO L225 Difference]: With dead ends: 867 [2024-11-28 02:48:40,472 INFO L226 Difference]: Without dead ends: 440 [2024-11-28 02:48:40,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:48:40,475 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 2 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:40,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2233 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:48:40,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-28 02:48:40,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-28 02:48:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 349 states have (on average 1.5816618911174785) internal successors, (552), 352 states have internal predecessors, (552), 68 states have call successors, (68), 21 states have call predecessors, (68), 22 states have return successors, (69), 66 states have call predecessors, (69), 67 states have call successors, (69) [2024-11-28 02:48:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 689 transitions. [2024-11-28 02:48:40,518 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 689 transitions. Word has length 101 [2024-11-28 02:48:40,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:40,519 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 689 transitions. [2024-11-28 02:48:40,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 02:48:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 689 transitions. [2024-11-28 02:48:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 02:48:40,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:40,527 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:40,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:48:40,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:40,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:40,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:40,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1275844847, now seen corresponding path program 1 times [2024-11-28 02:48:40,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:40,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002396051] [2024-11-28 02:48:40,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 02:48:41,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:41,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002396051] [2024-11-28 02:48:41,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002396051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:41,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450090869] [2024-11-28 02:48:41,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:41,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:41,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:41,120 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:48:41,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:48:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:41,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:48:41,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 02:48:41,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:48:41,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450090869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:41,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:41,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-28 02:48:41,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972787546] [2024-11-28 02:48:41,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:41,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:48:41,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:41,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:48:41,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:48:41,679 INFO L87 Difference]: Start difference. First operand 440 states and 689 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 02:48:41,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:41,807 INFO L93 Difference]: Finished difference Result 869 states and 1367 transitions. [2024-11-28 02:48:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:48:41,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 102 [2024-11-28 02:48:41,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:41,816 INFO L225 Difference]: With dead ends: 869 [2024-11-28 02:48:41,816 INFO L226 Difference]: Without dead ends: 442 [2024-11-28 02:48:41,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:48:41,822 INFO L435 NwaCegarLoop]: 559 mSDtfsCounter, 2 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2219 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 [2024-11-28 02:48:41,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2219 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:48:41,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-28 02:48:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2024-11-28 02:48:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 350 states have (on average 1.58) internal successors, (553), 354 states have internal predecessors, (553), 68 states have call successors, (68), 21 states have call predecessors, (68), 23 states have return successors, (74), 66 states have call predecessors, (74), 67 states have call successors, (74) [2024-11-28 02:48:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 695 transitions. [2024-11-28 02:48:41,871 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 695 transitions. Word has length 102 [2024-11-28 02:48:41,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:41,872 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 695 transitions. [2024-11-28 02:48:41,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 02:48:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 695 transitions. [2024-11-28 02:48:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 02:48:41,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:41,879 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:41,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:48:42,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:42,080 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:42,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:42,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1873634074, now seen corresponding path program 1 times [2024-11-28 02:48:42,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:42,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559445361] [2024-11-28 02:48:42,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:42,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-28 02:48:42,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:42,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559445361] [2024-11-28 02:48:42,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559445361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:42,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:42,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:48:42,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036591818] [2024-11-28 02:48:42,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:42,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:48:42,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:42,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:48:42,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:48:42,381 INFO L87 Difference]: Start difference. First operand 442 states and 695 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 02:48:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:42,477 INFO L93 Difference]: Finished difference Result 861 states and 1358 transitions. [2024-11-28 02:48:42,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:48:42,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2024-11-28 02:48:42,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:42,483 INFO L225 Difference]: With dead ends: 861 [2024-11-28 02:48:42,484 INFO L226 Difference]: Without dead ends: 442 [2024-11-28 02:48:42,486 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 [2024-11-28 02:48:42,488 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 2 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2237 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 [2024-11-28 02:48:42,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2237 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:48:42,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-28 02:48:42,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2024-11-28 02:48:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 350 states have (on average 1.58) internal successors, (553), 354 states have internal predecessors, (553), 68 states have call successors, (68), 21 states have call predecessors, (68), 23 states have return successors, (73), 66 states have call predecessors, (73), 67 states have call successors, (73) [2024-11-28 02:48:42,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 694 transitions. [2024-11-28 02:48:42,526 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 694 transitions. Word has length 103 [2024-11-28 02:48:42,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:42,527 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 694 transitions. [2024-11-28 02:48:42,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 02:48:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 694 transitions. [2024-11-28 02:48:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 02:48:42,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:42,531 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:42,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:48:42,531 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:42,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:42,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1077077734, now seen corresponding path program 2 times [2024-11-28 02:48:42,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:42,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963273540] [2024-11-28 02:48:42,532 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:48:42,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:42,583 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:48:42,583 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:48:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-28 02:48:42,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:42,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963273540] [2024-11-28 02:48:42,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963273540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:42,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:42,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:48:42,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896975439] [2024-11-28 02:48:42,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:42,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:48:42,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:42,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:48:42,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:48:42,755 INFO L87 Difference]: Start difference. First operand 442 states and 694 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 02:48:42,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:42,838 INFO L93 Difference]: Finished difference Result 442 states and 694 transitions. [2024-11-28 02:48:42,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:48:42,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-28 02:48:42,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:42,842 INFO L225 Difference]: With dead ends: 442 [2024-11-28 02:48:42,842 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:48:42,844 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 [2024-11-28 02:48:42,845 INFO L435 NwaCegarLoop]: 563 mSDtfsCounter, 0 mSDsluCounter, 2806 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3369 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 [2024-11-28 02:48:42,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3369 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:48:42,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:48:42,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:48:42,846 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) [2024-11-28 02:48:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:48:42,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2024-11-28 02:48:42,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:42,847 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:48:42,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 02:48:42,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:48:42,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:48:42,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:48:42,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:48:42,854 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-11-28 02:48:42,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:48:43,020 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:48:43,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:48:43 BoogieIcfgContainer [2024-11-28 02:48:43,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:48:43,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:48:43,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:48:43,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:48:43,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:35" (3/4) ... [2024-11-28 02:48:43,065 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:48:43,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__Keys [2024-11-28 02:48:43,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2024-11-28 02:48:43,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-11-28 02:48:43,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isSigned [2024-11-28 02:48:43,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-11-28 02:48:43,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2024-11-28 02:48:43,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2024-11-28 02:48:43,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-11-28 02:48:43,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-11-28 02:48:43,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2024-11-28 02:48:43,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-11-28 02:48:43,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-11-28 02:48:43,075 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-11-28 02:48:43,103 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2024-11-28 02:48:43,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2024-11-28 02:48:43,107 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-28 02:48:43,109 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:48:43,111 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:48:43,113 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:48:43,318 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:48:43,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:48:43,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:48:43,324 INFO L158 Benchmark]: Toolchain (without parser) took 11642.56ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.2MB in the beginning and 298.4MB in the end (delta: -207.2MB). Peak memory consumption was 208.8MB. Max. memory is 16.1GB. [2024-11-28 02:48:43,324 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:48:43,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1273.54ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 52.9MB in the end (delta: 38.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 02:48:43,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.27ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 47.0MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:48:43,326 INFO L158 Benchmark]: Boogie Preprocessor took 204.87ms. Allocated memory is still 117.4MB. Free memory was 47.0MB in the beginning and 40.5MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:48:43,326 INFO L158 Benchmark]: RCFGBuilder took 2142.22ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 40.5MB in the beginning and 290.2MB in the end (delta: -249.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-28 02:48:43,326 INFO L158 Benchmark]: TraceAbstraction took 7630.11ms. Allocated memory is still 352.3MB. Free memory was 289.6MB in the beginning and 122.1MB in the end (delta: 167.5MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. [2024-11-28 02:48:43,327 INFO L158 Benchmark]: Witness Printer took 277.68ms. Allocated memory is still 352.3MB. Free memory was 122.1MB in the beginning and 298.4MB in the end (delta: -176.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:48:43,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1273.54ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 52.9MB in the end (delta: 38.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.27ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 47.0MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 204.87ms. Allocated memory is still 117.4MB. Free memory was 47.0MB in the beginning and 40.5MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2142.22ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 40.5MB in the beginning and 290.2MB in the end (delta: -249.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7630.11ms. Allocated memory is still 352.3MB. Free memory was 289.6MB in the beginning and 122.1MB in the end (delta: 167.5MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. * Witness Printer took 277.68ms. Allocated memory is still 352.3MB. Free memory was 122.1MB in the beginning and 298.4MB in the end (delta: -176.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] - GenericResultAtLocation [Line: 417]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [417] - GenericResultAtLocation [Line: 455]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [455] - GenericResultAtLocation [Line: 464]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [464] - GenericResultAtLocation [Line: 481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [481] - GenericResultAtLocation [Line: 710]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [710] - GenericResultAtLocation [Line: 728]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [728] - GenericResultAtLocation [Line: 1800]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1800] - GenericResultAtLocation [Line: 2088]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2088] - GenericResultAtLocation [Line: 2454]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2454] - GenericResultAtLocation [Line: 2857]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2857] * 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: 460]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 378 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 12314 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8908 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3406 mSDtfsCounter, 155 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=442occurred in iteration=4, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1003 NumberOfCodeBlocks, 942 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 993 ConstructedInterpolants, 0 QuantifiedInterpolants, 1092 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4036 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 274/289 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! [2024-11-28 02:48:43,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ec4a1-c059-4bfa-909b-637d833e9821/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