./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product39.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_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1 --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 d13022ac5777526b0e211d2bc2c4786b4fd03965aed567ff73b5cfbb8c2cd97a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:27:25,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:27:25,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:27:25,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:27:25,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:27:25,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:27:25,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:27:25,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:27:25,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:27:25,678 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:27:25,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:27:25,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:27:25,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:27:25,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:27:25,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:27:25,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:27:25,680 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:27:25,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:27:25,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:27:25,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:27:25,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:27:25,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:27:25,682 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_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1 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 -> d13022ac5777526b0e211d2bc2c4786b4fd03965aed567ff73b5cfbb8c2cd97a [2024-12-02 13:27:25,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:27:25,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:27:25,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:27:25,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:27:25,933 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:27:25,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/email_spec11_product39.cil.c [2024-12-02 13:27:28,566 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/data/91ec96e7c/c97d81492a5e4faebe5188cde8abc754/FLAG1929d06a8 [2024-12-02 13:27:28,849 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:27:28,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/sv-benchmarks/c/product-lines/email_spec11_product39.cil.c [2024-12-02 13:27:28,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/data/91ec96e7c/c97d81492a5e4faebe5188cde8abc754/FLAG1929d06a8 [2024-12-02 13:27:28,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/data/91ec96e7c/c97d81492a5e4faebe5188cde8abc754 [2024-12-02 13:27:28,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:27:28,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:27:28,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:27:28,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:27:28,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:27:28,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:27:28" (1/1) ... [2024-12-02 13:27:28,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f59203c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:28, skipping insertion in model container [2024-12-02 13:27:28,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:27:28" (1/1) ... [2024-12-02 13:27:28,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:27:29,174 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_f8e92fcb-73db-4983-831f-a28c2023527a/sv-benchmarks/c/product-lines/email_spec11_product39.cil.c[17959,17972] [2024-12-02 13:27:29,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:27:29,313 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:27:29,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-12-02 13:27:29,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [380] [2024-12-02 13:27:29,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [415] [2024-12-02 13:27:29,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [436] [2024-12-02 13:27:29,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [802] [2024-12-02 13:27:29,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [811] [2024-12-02 13:27:29,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1880] [2024-12-02 13:27:29,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1897] [2024-12-02 13:27:29,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2309] [2024-12-02 13:27:29,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2548] [2024-12-02 13:27:29,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2767] [2024-12-02 13:27:29,355 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_f8e92fcb-73db-4983-831f-a28c2023527a/sv-benchmarks/c/product-lines/email_spec11_product39.cil.c[17959,17972] [2024-12-02 13:27:29,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:27:29,434 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:27:29,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29 WrapperNode [2024-12-02 13:27:29,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:27:29,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:27:29,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:27:29,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:27:29,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,493 INFO L138 Inliner]: procedures = 124, calls = 177, calls flagged for inlining = 47, calls inlined = 43, statements flattened = 811 [2024-12-02 13:27:29,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:27:29,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:27:29,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:27:29,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:27:29,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,509 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,529 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]. [2024-12-02 13:27:29,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,543 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:27:29,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:27:29,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:27:29,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:27:29,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (1/1) ... [2024-12-02 13:27:29,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:27:29,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:27:29,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:27:29,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:27:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-12-02 13:27:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-12-02 13:27:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-12-02 13:27:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-12-02 13:27:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-12-02 13:27:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-12-02 13:27:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-12-02 13:27:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-12-02 13:27:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-12-02 13:27:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-12-02 13:27:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-12-02 13:27:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-12-02 13:27:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-12-02 13:27:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-12-02 13:27:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-12-02 13:27:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-12-02 13:27:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-12-02 13:27:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-12-02 13:27:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-12-02 13:27:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-12-02 13:27:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:27:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-12-02 13:27:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-12-02 13:27:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-12-02 13:27:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-12-02 13:27:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-12-02 13:27:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-12-02 13:27:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-12-02 13:27:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-12-02 13:27:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-12-02 13:27:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-12-02 13:27:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-12-02 13:27:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-12-02 13:27:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-12-02 13:27:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-12-02 13:27:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:27:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:27:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:27:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:27:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-12-02 13:27:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-12-02 13:27:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-12-02 13:27:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-12-02 13:27:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:27:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:27:29,779 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:27:29,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:27:30,496 INFO L? ?]: Removed 392 outVars from TransFormulas that were not future-live. [2024-12-02 13:27:30,496 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:27:30,511 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:27:30,512 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:27:30,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:27:30 BoogieIcfgContainer [2024-12-02 13:27:30,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:27:30,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:27:30,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:27:30,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:27:30,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:27:28" (1/3) ... [2024-12-02 13:27:30,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2162e059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:27:30, skipping insertion in model container [2024-12-02 13:27:30,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:29" (2/3) ... [2024-12-02 13:27:30,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2162e059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:27:30, skipping insertion in model container [2024-12-02 13:27:30,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:27:30" (3/3) ... [2024-12-02 13:27:30,521 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec11_product39.cil.c [2024-12-02 13:27:30,535 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:27:30,537 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec11_product39.cil.c that has 20 procedures, 308 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:27:30,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:27:30,603 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;@402fd73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:27:30,604 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:27:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 308 states, 241 states have (on average 1.5767634854771784) internal successors, (380), 244 states have internal predecessors, (380), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 13:27:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 13:27:30,619 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:27:30,620 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] [2024-12-02 13:27:30,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:27:30,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:27:30,623 INFO L85 PathProgramCache]: Analyzing trace with hash -247181400, now seen corresponding path program 1 times [2024-12-02 13:27:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:27:30,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035547117] [2024-12-02 13:27:30,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:27:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 13:27:31,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:27:31,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035547117] [2024-12-02 13:27:31,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035547117] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:27:31,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995119668] [2024-12-02 13:27:31,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:31,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:31,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:27:31,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:27:31,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:27:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:31,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:27:31,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:27:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 13:27:31,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:27:31,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995119668] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:27:31,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:27:31,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-12-02 13:27:31,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082685627] [2024-12-02 13:27:31,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:27:31,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:27:31,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:27:31,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:27:31,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:27:31,510 INFO L87 Difference]: Start difference. First operand has 308 states, 241 states have (on average 1.5767634854771784) internal successors, (380), 244 states have internal predecessors, (380), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2024-12-02 13:27:31,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:27:31,547 INFO L93 Difference]: Finished difference Result 424 states and 635 transitions. [2024-12-02 13:27:31,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:27:31,549 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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 96 [2024-12-02 13:27:31,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:27:31,559 INFO L225 Difference]: With dead ends: 424 [2024-12-02 13:27:31,559 INFO L226 Difference]: Without dead ends: 301 [2024-12-02 13:27:31,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:27:31,565 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:27:31,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:27:31,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-12-02 13:27:31,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2024-12-02 13:27:31,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 235 states have (on average 1.5702127659574467) internal successors, (369), 237 states have internal predecessors, (369), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 13:27:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 460 transitions. [2024-12-02 13:27:31,619 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 460 transitions. Word has length 96 [2024-12-02 13:27:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:27:31,621 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 460 transitions. [2024-12-02 13:27:31,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2024-12-02 13:27:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 460 transitions. [2024-12-02 13:27:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 13:27:31,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:27:31,627 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] [2024-12-02 13:27:31,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:27:31,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:31,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:27:31,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:27:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1084520622, now seen corresponding path program 1 times [2024-12-02 13:27:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:27:31,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484892222] [2024-12-02 13:27:31,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:31,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:27:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 13:27:32,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:27:32,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484892222] [2024-12-02 13:27:32,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484892222] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:27:32,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222807192] [2024-12-02 13:27:32,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:32,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:32,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:27:32,103 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:27:32,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:27:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:32,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:27:32,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:27:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 13:27:32,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:27:32,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222807192] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:27:32,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:27:32,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 13:27:32,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162385722] [2024-12-02 13:27:32,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:27:32,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:27:32,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:27:32,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:27:32,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:27:32,427 INFO L87 Difference]: Start difference. First operand 301 states and 460 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-12-02 13:27:32,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:27:32,465 INFO L93 Difference]: Finished difference Result 413 states and 612 transitions. [2024-12-02 13:27:32,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:27:32,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 96 [2024-12-02 13:27:32,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:27:32,470 INFO L225 Difference]: With dead ends: 413 [2024-12-02 13:27:32,471 INFO L226 Difference]: Without dead ends: 303 [2024-12-02 13:27:32,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:27:32,472 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 1 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:27:32,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 914 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:27:32,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-12-02 13:27:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 302. [2024-12-02 13:27:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 236 states have (on average 1.5677966101694916) internal successors, (370), 238 states have internal predecessors, (370), 46 states have call successors, (46), 19 states have call predecessors, (46), 19 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 13:27:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 461 transitions. [2024-12-02 13:27:32,497 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 461 transitions. Word has length 96 [2024-12-02 13:27:32,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:27:32,498 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 461 transitions. [2024-12-02 13:27:32,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-12-02 13:27:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 461 transitions. [2024-12-02 13:27:32,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 13:27:32,502 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:27:32,502 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, 1, 1, 1] [2024-12-02 13:27:32,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:27:32,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:32,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:27:32,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:27:32,703 INFO L85 PathProgramCache]: Analyzing trace with hash -171631359, now seen corresponding path program 1 times [2024-12-02 13:27:32,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:27:32,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124623813] [2024-12-02 13:27:32,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:32,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:27:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 13:27:32,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:27:32,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124623813] [2024-12-02 13:27:32,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124623813] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:27:32,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70536190] [2024-12-02 13:27:32,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:32,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:27:32,942 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:27:32,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:27:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:33,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:27:33,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:27:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 13:27:33,242 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:27:33,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70536190] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:27:33,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:27:33,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 13:27:33,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036381545] [2024-12-02 13:27:33,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:27:33,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:27:33,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:27:33,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:27:33,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:27:33,244 INFO L87 Difference]: Start difference. First operand 302 states and 461 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-12-02 13:27:33,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:27:33,273 INFO L93 Difference]: Finished difference Result 652 states and 1014 transitions. [2024-12-02 13:27:33,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:27:33,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 104 [2024-12-02 13:27:33,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:27:33,277 INFO L225 Difference]: With dead ends: 652 [2024-12-02 13:27:33,277 INFO L226 Difference]: Without dead ends: 376 [2024-12-02 13:27:33,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:27:33,279 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 134 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 887 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 [2024-12-02 13:27:33,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 887 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:27:33,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-12-02 13:27:33,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 368. [2024-12-02 13:27:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 288 states have (on average 1.5902777777777777) internal successors, (458), 290 states have internal predecessors, (458), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-12-02 13:27:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 577 transitions. [2024-12-02 13:27:33,299 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 577 transitions. Word has length 104 [2024-12-02 13:27:33,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:27:33,300 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 577 transitions. [2024-12-02 13:27:33,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-12-02 13:27:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 577 transitions. [2024-12-02 13:27:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 13:27:33,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:27:33,302 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, 1, 1, 1, 1] [2024-12-02 13:27:33,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 13:27:33,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:33,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:27:33,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:27:33,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1547853833, now seen corresponding path program 1 times [2024-12-02 13:27:33,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:27:33,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371064871] [2024-12-02 13:27:33,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:33,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:27:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 13:27:33,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:27:33,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371064871] [2024-12-02 13:27:33,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371064871] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:27:33,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416001684] [2024-12-02 13:27:33,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:33,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:33,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:27:33,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:27:33,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:27:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:33,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:27:33,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:27:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 13:27:34,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:27:34,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416001684] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:27:34,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:27:34,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-12-02 13:27:34,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413653423] [2024-12-02 13:27:34,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:27:34,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:27:34,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:27:34,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:27:34,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:27:34,035 INFO L87 Difference]: Start difference. First operand 368 states and 577 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-12-02 13:27:34,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:27:34,101 INFO L93 Difference]: Finished difference Result 727 states and 1144 transitions. [2024-12-02 13:27:34,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:27:34,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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 105 [2024-12-02 13:27:34,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:27:34,104 INFO L225 Difference]: With dead ends: 727 [2024-12-02 13:27:34,104 INFO L226 Difference]: Without dead ends: 370 [2024-12-02 13:27:34,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:27:34,106 INFO L435 NwaCegarLoop]: 452 mSDtfsCounter, 2 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:27:34,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1797 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:27:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-12-02 13:27:34,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2024-12-02 13:27:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 289 states have (on average 1.588235294117647) internal successors, (459), 292 states have internal predecessors, (459), 60 states have call successors, (60), 19 states have call predecessors, (60), 20 states have return successors, (61), 58 states have call predecessors, (61), 59 states have call successors, (61) [2024-12-02 13:27:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 580 transitions. [2024-12-02 13:27:34,127 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 580 transitions. Word has length 105 [2024-12-02 13:27:34,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:27:34,127 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 580 transitions. [2024-12-02 13:27:34,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-12-02 13:27:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 580 transitions. [2024-12-02 13:27:34,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 13:27:34,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:27:34,130 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, 1, 1, 1, 1] [2024-12-02 13:27:34,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 13:27:34,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:34,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:27:34,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:27:34,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1782880435, now seen corresponding path program 1 times [2024-12-02 13:27:34,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:27:34,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031637948] [2024-12-02 13:27:34,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:34,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:27:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-02 13:27:34,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:27:34,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031637948] [2024-12-02 13:27:34,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031637948] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:27:34,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269538069] [2024-12-02 13:27:34,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:34,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:34,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:27:34,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:27:34,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:27:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:34,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:27:34,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:27:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 13:27:34,817 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:27:34,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269538069] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:27:34,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:27:34,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-12-02 13:27:34,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27179528] [2024-12-02 13:27:34,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:27:34,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:27:34,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:27:34,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:27:34,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:27:34,819 INFO L87 Difference]: Start difference. First operand 370 states and 580 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-12-02 13:27:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:27:34,884 INFO L93 Difference]: Finished difference Result 729 states and 1149 transitions. [2024-12-02 13:27:34,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:27:34,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 106 [2024-12-02 13:27:34,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:27:34,887 INFO L225 Difference]: With dead ends: 729 [2024-12-02 13:27:34,887 INFO L226 Difference]: Without dead ends: 372 [2024-12-02 13:27:34,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:27:34,889 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 2 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:27:34,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1783 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:27:34,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-12-02 13:27:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-12-02 13:27:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 290 states have (on average 1.5862068965517242) internal successors, (460), 294 states have internal predecessors, (460), 60 states have call successors, (60), 19 states have call predecessors, (60), 21 states have return successors, (66), 58 states have call predecessors, (66), 59 states have call successors, (66) [2024-12-02 13:27:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 586 transitions. [2024-12-02 13:27:34,909 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 586 transitions. Word has length 106 [2024-12-02 13:27:34,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:27:34,909 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 586 transitions. [2024-12-02 13:27:34,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-12-02 13:27:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 586 transitions. [2024-12-02 13:27:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 13:27:34,911 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:27:34,911 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, 1, 1, 1, 1] [2024-12-02 13:27:34,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 13:27:35,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:27:35,112 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:27:35,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:27:35,112 INFO L85 PathProgramCache]: Analyzing trace with hash -960126763, now seen corresponding path program 1 times [2024-12-02 13:27:35,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:27:35,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512961775] [2024-12-02 13:27:35,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:27:35,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:27:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:27:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-02 13:27:35,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:27:35,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512961775] [2024-12-02 13:27:35,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512961775] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:27:35,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:27:35,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:27:35,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180643775] [2024-12-02 13:27:35,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:27:35,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:27:35,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:27:35,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:27:35,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:27:35,267 INFO L87 Difference]: Start difference. First operand 372 states and 586 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-12-02 13:27:35,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:27:35,312 INFO L93 Difference]: Finished difference Result 721 states and 1140 transitions. [2024-12-02 13:27:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:27:35,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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 107 [2024-12-02 13:27:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:27:35,315 INFO L225 Difference]: With dead ends: 721 [2024-12-02 13:27:35,315 INFO L226 Difference]: Without dead ends: 372 [2024-12-02 13:27:35,317 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 [2024-12-02 13:27:35,317 INFO L435 NwaCegarLoop]: 453 mSDtfsCounter, 2 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1801 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 [2024-12-02 13:27:35,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1801 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:27:35,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-12-02 13:27:35,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-12-02 13:27:35,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 290 states have (on average 1.5862068965517242) internal successors, (460), 294 states have internal predecessors, (460), 60 states have call successors, (60), 19 states have call predecessors, (60), 21 states have return successors, (65), 58 states have call predecessors, (65), 59 states have call successors, (65) [2024-12-02 13:27:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 585 transitions. [2024-12-02 13:27:35,336 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 585 transitions. Word has length 107 [2024-12-02 13:27:35,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:27:35,336 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 585 transitions. [2024-12-02 13:27:35,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-12-02 13:27:35,337 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 585 transitions. [2024-12-02 13:27:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 13:27:35,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:27:35,339 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, 1, 1, 1, 1] [2024-12-02 13:27:35,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:27:35,339 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:27:35,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:27:35,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1250501705, now seen corresponding path program 2 times [2024-12-02 13:27:35,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:27:35,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028154138] [2024-12-02 13:27:35,340 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:27:35,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:27:35,367 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 13:27:35,367 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:27:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 13:27:35,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:27:35,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028154138] [2024-12-02 13:27:35,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028154138] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:27:35,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:27:35,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:27:35,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225414457] [2024-12-02 13:27:35,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:27:35,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:27:35,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:27:35,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:27:35,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:27:35,471 INFO L87 Difference]: Start difference. First operand 372 states and 585 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-12-02 13:27:35,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:27:35,508 INFO L93 Difference]: Finished difference Result 372 states and 585 transitions. [2024-12-02 13:27:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:27:35,509 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 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 108 [2024-12-02 13:27:35,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:27:35,509 INFO L225 Difference]: With dead ends: 372 [2024-12-02 13:27:35,510 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:27:35,511 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 [2024-12-02 13:27:35,511 INFO L435 NwaCegarLoop]: 454 mSDtfsCounter, 0 mSDsluCounter, 2261 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2715 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 [2024-12-02 13:27:35,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2715 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:27:35,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:27:35,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:27:35,512 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) [2024-12-02 13:27:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:27:35,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2024-12-02 13:27:35,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:27:35,512 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:27:35,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-12-02 13:27:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:27:35,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:27:35,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:27:35,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:27:35,518 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-12-02 13:27:35,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:27:35,599 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:27:35,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:27:35 BoogieIcfgContainer [2024-12-02 13:27:35,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:27:35,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:27:35,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:27:35,610 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:27:35,610 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:27:30" (3/4) ... [2024-12-02 13:27:35,612 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:27:35,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing [2024-12-02 13:27:35,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2024-12-02 13:27:35,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendEmail [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isReadable [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2024-12-02 13:27:35,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure setClientId [2024-12-02 13:27:35,631 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2024-12-02 13:27:35,632 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2024-12-02 13:27:35,634 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-02 13:27:35,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 13:27:35,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:27:35,637 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:27:35,762 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:27:35,762 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:27:35,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:27:35,763 INFO L158 Benchmark]: Toolchain (without parser) took 6883.50ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 114.3MB in the beginning and 228.9MB in the end (delta: -114.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-02 13:27:35,763 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:27:35,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.20ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 77.2MB in the end (delta: 37.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 13:27:35,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.59ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 72.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:27:35,764 INFO L158 Benchmark]: Boogie Preprocessor took 69.71ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 67.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:27:35,764 INFO L158 Benchmark]: RCFGBuilder took 947.98ms. Allocated memory is still 142.6MB. Free memory was 67.1MB in the beginning and 59.6MB in the end (delta: 7.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-12-02 13:27:35,765 INFO L158 Benchmark]: TraceAbstraction took 5095.07ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 59.0MB in the beginning and 245.5MB in the end (delta: -186.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:27:35,765 INFO L158 Benchmark]: Witness Printer took 152.66ms. Allocated memory is still 302.0MB. Free memory was 245.5MB in the beginning and 228.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:27:35,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.20ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 77.2MB in the end (delta: 37.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.59ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 72.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.71ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 67.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 947.98ms. Allocated memory is still 142.6MB. Free memory was 67.1MB in the beginning and 59.6MB in the end (delta: 7.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5095.07ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 59.0MB in the beginning and 245.5MB in the end (delta: -186.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 152.66ms. Allocated memory is still 302.0MB. Free memory was 245.5MB in the beginning and 228.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] - GenericResultAtLocation [Line: 380]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [380] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [415] - GenericResultAtLocation [Line: 436]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [436] - GenericResultAtLocation [Line: 802]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [802] - GenericResultAtLocation [Line: 811]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [811] - GenericResultAtLocation [Line: 1880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1880] - GenericResultAtLocation [Line: 1897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1897] - GenericResultAtLocation [Line: 2309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2309] - GenericResultAtLocation [Line: 2548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2548] - GenericResultAtLocation [Line: 2767]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2767] * 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: 807]: 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 20 procedures, 308 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 10365 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7156 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3209 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 543 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1229 NumberOfCodeBlocks, 1169 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1217 ConstructedInterpolants, 0 QuantifiedInterpolants, 1324 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4753 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 327/345 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 13:27:35,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8e92fcb-73db-4983-831f-a28c2023527a/bin/uautomizer-verify-84ZbGMXZE1/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