./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec7_product23.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1bb2b79cb955f3674656871a8781fc51d3f295e24daabeaa86e62b128ba42f2a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:25:56,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:25:56,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:25:56,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:25:56,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:25:56,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:25:56,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:25:56,335 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:25:56,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:25:56,335 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:25:56,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:25:56,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:25:56,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:25:56,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:25:56,335 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:25:56,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:25:56,336 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:25:56,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:25:56,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:25:56,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:25:56,338 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1bb2b79cb955f3674656871a8781fc51d3f295e24daabeaa86e62b128ba42f2a [2025-03-03 14:25:56,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:25:56,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:25:56,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:25:56,573 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:25:56,574 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:25:56,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product23.cil.c [2025-03-03 14:25:57,741 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde1d4a55/474fd543ba29491289b6ed33b9c4cdd4/FLAG00dd7c5e3 [2025-03-03 14:25:58,059 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:25:58,059 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product23.cil.c [2025-03-03 14:25:58,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde1d4a55/474fd543ba29491289b6ed33b9c4cdd4/FLAG00dd7c5e3 [2025-03-03 14:25:58,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cde1d4a55/474fd543ba29491289b6ed33b9c4cdd4 [2025-03-03 14:25:58,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:25:58,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:25:58,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:25:58,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:25:58,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:25:58,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322b4289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58, skipping insertion in model container [2025-03-03 14:25:58,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:25:58,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product23.cil.c[18387,18400] [2025-03-03 14:25:58,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:25:58,555 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:25:58,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2025-03-03 14:25:58,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [416] [2025-03-03 14:25:58,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [433] [2025-03-03 14:25:58,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [452] [2025-03-03 14:25:58,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [551] [2025-03-03 14:25:58,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [952] [2025-03-03 14:25:58,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [961] [2025-03-03 14:25:58,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [999] [2025-03-03 14:25:58,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2071] [2025-03-03 14:25:58,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2437] [2025-03-03 14:25:58,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2736] [2025-03-03 14:25:58,597 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product23.cil.c[18387,18400] [2025-03-03 14:25:58,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:25:58,685 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:25:58,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58 WrapperNode [2025-03-03 14:25:58,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:25:58,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:25:58,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:25:58,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:25:58,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,749 INFO L138 Inliner]: procedures = 130, calls = 199, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 977 [2025-03-03 14:25:58,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:25:58,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:25:58,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:25:58,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:25:58,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,782 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]. [2025-03-03 14:25:58,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,796 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:25:58,810 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:25:58,810 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:25:58,810 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:25:58,811 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (1/1) ... [2025-03-03 14:25:58,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:25:58,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:25:58,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 14:25:58,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 14:25:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-03 14:25:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-03 14:25:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-03 14:25:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-03 14:25:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-03 14:25:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-03 14:25:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-03-03 14:25:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-03-03 14:25:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-03 14:25:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-03 14:25:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-03 14:25:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-03 14:25:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-03 14:25:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-03 14:25:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-03-03 14:25:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-03-03 14:25:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-03 14:25:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 14:25:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-03 14:25:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-03 14:25:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-03 14:25:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-03 14:25:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:25:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:25:59,034 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:25:59,038 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:25:59,148 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1613-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~31#1; [2025-03-03 14:25:59,154 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L859: #res := ~retValue_acc~17; [2025-03-03 14:25:59,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1660-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~32#1; [2025-03-03 14:25:59,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1705: #res#1 := ~retValue_acc~33#1; [2025-03-03 14:25:59,208 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L548-1: createEmail_#res#1 := createEmail_~retValue_acc~8#1; [2025-03-03 14:25:59,221 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1157: #res := ~retValue_acc~25; [2025-03-03 14:25:59,265 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L896: #res := ~retValue_acc~18; [2025-03-03 14:25:59,328 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L670: #res := ~retValue_acc~12; [2025-03-03 14:25:59,388 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1483: #res := ~retValue_acc~29; [2025-03-03 14:25:59,495 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L308-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~4#1; [2025-03-03 14:25:59,496 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1929-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~36#1; [2025-03-03 14:25:59,496 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1566-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~30#1; [2025-03-03 14:25:59,496 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2048-1: getClientId_#res#1 := getClientId_~retValue_acc~38#1; [2025-03-03 14:25:59,746 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L283-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~3#1; [2025-03-03 14:25:59,746 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-1: valid_product_#res#1 := valid_product_~retValue_acc~21#1; [2025-03-03 14:25:59,746 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1875-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~35#1; [2025-03-03 14:25:59,746 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L274-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~2#1; [2025-03-03 14:25:59,746 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~1#1; [2025-03-03 14:25:59,746 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1768-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~34#1; [2025-03-03 14:25:59,756 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L633: #res := ~retValue_acc~11; [2025-03-03 14:25:59,759 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L524: #res := ~retValue_acc~6; [2025-03-03 14:25:59,869 INFO L? ?]: Removed 500 outVars from TransFormulas that were not future-live. [2025-03-03 14:25:59,869 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:25:59,880 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:25:59,881 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:25:59,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:25:59 BoogieIcfgContainer [2025-03-03 14:25:59,881 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:25:59,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:25:59,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:25:59,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:25:59,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:25:58" (1/3) ... [2025-03-03 14:25:59,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0f9331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:25:59, skipping insertion in model container [2025-03-03 14:25:59,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:25:58" (2/3) ... [2025-03-03 14:25:59,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0f9331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:25:59, skipping insertion in model container [2025-03-03 14:25:59,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:25:59" (3/3) ... [2025-03-03 14:25:59,891 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec7_product23.cil.c [2025-03-03 14:25:59,902 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:25:59,905 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec7_product23.cil.c that has 22 procedures, 361 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 14:25:59,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:25:59,991 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;@2cfd7f95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:25:59,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:25:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 361 states, 288 states have (on average 1.5798611111111112) internal successors, (455), 291 states have internal predecessors, (455), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2025-03-03 14:26:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-03 14:26:00,010 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:26:00,010 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] [2025-03-03 14:26:00,011 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:26:00,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:26:00,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1966728847, now seen corresponding path program 1 times [2025-03-03 14:26:00,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:26:00,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741415769] [2025-03-03 14:26:00,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:00,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:26:00,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-03 14:26:00,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-03 14:26:00,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:00,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-03 14:26:00,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:26:00,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741415769] [2025-03-03 14:26:00,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741415769] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:26:00,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546676832] [2025-03-03 14:26:00,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:00,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:26:00,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:26:00,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:26:00,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 14:26:00,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-03 14:26:00,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-03 14:26:00,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:00,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:00,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 14:26:00,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:26:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-03 14:26:00,843 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:26:00,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546676832] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:26:00,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:26:00,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-03-03 14:26:00,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930226851] [2025-03-03 14:26:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:26:00,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:26:00,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:26:00,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:26:00,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:26:00,868 INFO L87 Difference]: Start difference. First operand has 361 states, 288 states have (on average 1.5798611111111112) internal successors, (455), 291 states have internal predecessors, (455), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:26:00,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:26:00,910 INFO L93 Difference]: Finished difference Result 530 states and 802 transitions. [2025-03-03 14:26:00,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:26:00,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2025-03-03 14:26:00,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:26:00,923 INFO L225 Difference]: With dead ends: 530 [2025-03-03 14:26:00,924 INFO L226 Difference]: Without dead ends: 354 [2025-03-03 14:26:00,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:26:00,932 INFO L435 NwaCegarLoop]: 552 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, 552 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 [2025-03-03 14:26:00,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:26:00,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-03-03 14:26:00,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2025-03-03 14:26:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 282 states have (on average 1.5780141843971631) internal successors, (445), 284 states have internal predecessors, (445), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2025-03-03 14:26:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 544 transitions. [2025-03-03 14:26:00,979 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 544 transitions. Word has length 95 [2025-03-03 14:26:00,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:26:00,980 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 544 transitions. [2025-03-03 14:26:00,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-03 14:26:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 544 transitions. [2025-03-03 14:26:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-03 14:26:00,985 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:26:00,985 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] [2025-03-03 14:26:00,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 14:26:01,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-03 14:26:01,186 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:26:01,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:26:01,187 INFO L85 PathProgramCache]: Analyzing trace with hash -2121547377, now seen corresponding path program 1 times [2025-03-03 14:26:01,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:26:01,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463537042] [2025-03-03 14:26:01,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:01,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:26:01,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-03 14:26:01,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-03 14:26:01,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:01,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-03 14:26:01,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:26:01,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463537042] [2025-03-03 14:26:01,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463537042] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:26:01,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867264950] [2025-03-03 14:26:01,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:01,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:26:01,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:26:01,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:26:01,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 14:26:01,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-03 14:26:01,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-03 14:26:01,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:01,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:01,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-03 14:26:01,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:26:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-03 14:26:01,684 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:26:01,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867264950] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:26:01,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:26:01,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-03 14:26:01,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523434760] [2025-03-03 14:26:01,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:26:01,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:26:01,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:26:01,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:26:01,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:26:01,686 INFO L87 Difference]: Start difference. First operand 354 states and 544 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) [2025-03-03 14:26:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:26:01,716 INFO L93 Difference]: Finished difference Result 519 states and 780 transitions. [2025-03-03 14:26:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:26:01,718 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 [2025-03-03 14:26:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:26:01,722 INFO L225 Difference]: With dead ends: 519 [2025-03-03 14:26:01,722 INFO L226 Difference]: Without dead ends: 356 [2025-03-03 14:26:01,725 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 [2025-03-03 14:26:01,725 INFO L435 NwaCegarLoop]: 543 mSDtfsCounter, 0 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:26:01,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1084 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:26:01,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-03-03 14:26:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2025-03-03 14:26:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 284 states have (on average 1.573943661971831) internal successors, (447), 286 states have internal predecessors, (447), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2025-03-03 14:26:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 546 transitions. [2025-03-03 14:26:01,752 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 546 transitions. Word has length 96 [2025-03-03 14:26:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:26:01,752 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 546 transitions. [2025-03-03 14:26:01,752 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) [2025-03-03 14:26:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 546 transitions. [2025-03-03 14:26:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-03 14:26:01,754 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:26:01,754 INFO L218 NwaCegarLoop]: trace histogram [3, 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] [2025-03-03 14:26:01,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-03 14:26:01,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-03 14:26:01,955 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:26:01,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:26:01,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1950841919, now seen corresponding path program 1 times [2025-03-03 14:26:01,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:26:01,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737878851] [2025-03-03 14:26:01,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:01,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:26:01,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-03 14:26:01,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-03 14:26:01,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:01,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:26:02,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:26:02,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737878851] [2025-03-03 14:26:02,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737878851] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:26:02,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426260994] [2025-03-03 14:26:02,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:02,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:26:02,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:26:02,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:26:02,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-03 14:26:02,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-03 14:26:02,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-03 14:26:02,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:02,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:02,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-03 14:26:02,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:26:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-03 14:26:02,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:26:02,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426260994] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:26:02,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:26:02,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-03 14:26:02,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888000819] [2025-03-03 14:26:02,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:26:02,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:26:02,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:26:02,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:26:02,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 14:26:02,435 INFO L87 Difference]: Start difference. First operand 356 states and 546 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) [2025-03-03 14:26:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:26:02,468 INFO L93 Difference]: Finished difference Result 759 states and 1183 transitions. [2025-03-03 14:26:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:26:02,469 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 [2025-03-03 14:26:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:26:02,472 INFO L225 Difference]: With dead ends: 759 [2025-03-03 14:26:02,472 INFO L226 Difference]: Without dead ends: 430 [2025-03-03 14:26:02,474 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 [2025-03-03 14:26:02,476 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 134 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1060 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 [2025-03-03 14:26:02,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1060 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:26:02,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2025-03-03 14:26:02,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 422. [2025-03-03 14:26:02,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 336 states have (on average 1.5922619047619047) internal successors, (535), 338 states have internal predecessors, (535), 64 states have call successors, (64), 21 states have call predecessors, (64), 21 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2025-03-03 14:26:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 662 transitions. [2025-03-03 14:26:02,505 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 662 transitions. Word has length 104 [2025-03-03 14:26:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:26:02,506 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 662 transitions. [2025-03-03 14:26:02,506 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) [2025-03-03 14:26:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 662 transitions. [2025-03-03 14:26:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-03 14:26:02,508 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:26:02,508 INFO L218 NwaCegarLoop]: trace histogram [3, 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] [2025-03-03 14:26:02,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-03 14:26:02,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:26:02,710 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:26:02,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:26:02,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1412025671, now seen corresponding path program 1 times [2025-03-03 14:26:02,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:26:02,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162744590] [2025-03-03 14:26:02,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:02,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:26:02,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-03 14:26:02,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-03 14:26:02,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:02,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:26:02,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:26:02,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162744590] [2025-03-03 14:26:02,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162744590] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:26:02,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694511995] [2025-03-03 14:26:02,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:02,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:26:02,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:26:02,864 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:26:02,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-03 14:26:02,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-03 14:26:03,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-03 14:26:03,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:03,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:03,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-03 14:26:03,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:26:03,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-03 14:26:03,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:26:03,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694511995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:26:03,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:26:03,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-03 14:26:03,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746064122] [2025-03-03 14:26:03,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:26:03,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:26:03,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:26:03,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:26:03,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-03 14:26:03,156 INFO L87 Difference]: Start difference. First operand 422 states and 662 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2025-03-03 14:26:03,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:26:03,222 INFO L93 Difference]: Finished difference Result 835 states and 1314 transitions. [2025-03-03 14:26:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:26:03,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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 [2025-03-03 14:26:03,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:26:03,226 INFO L225 Difference]: With dead ends: 835 [2025-03-03 14:26:03,227 INFO L226 Difference]: Without dead ends: 424 [2025-03-03 14:26:03,229 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 [2025-03-03 14:26:03,229 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 2 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2133 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 [2025-03-03 14:26:03,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2133 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:26:03,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2025-03-03 14:26:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2025-03-03 14:26:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 337 states have (on average 1.5905044510385757) internal successors, (536), 340 states have internal predecessors, (536), 64 states have call successors, (64), 21 states have call predecessors, (64), 22 states have return successors, (65), 62 states have call predecessors, (65), 63 states have call successors, (65) [2025-03-03 14:26:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 665 transitions. [2025-03-03 14:26:03,252 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 665 transitions. Word has length 105 [2025-03-03 14:26:03,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:26:03,252 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 665 transitions. [2025-03-03 14:26:03,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2025-03-03 14:26:03,252 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 665 transitions. [2025-03-03 14:26:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-03 14:26:03,256 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:26:03,256 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:26:03,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-03 14:26:03,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:26:03,457 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:26:03,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:26:03,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1440905639, now seen corresponding path program 1 times [2025-03-03 14:26:03,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:26:03,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719692138] [2025-03-03 14:26:03,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:03,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:26:03,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-03 14:26:03,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-03 14:26:03,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:03,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-03 14:26:03,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:26:03,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719692138] [2025-03-03 14:26:03,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719692138] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 14:26:03,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403261492] [2025-03-03 14:26:03,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:03,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:26:03,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:26:03,584 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 14:26:03,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-03 14:26:03,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-03 14:26:03,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-03 14:26:03,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:03,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:03,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-03 14:26:03,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 14:26:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-03 14:26:03,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 14:26:03,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403261492] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:26:03,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 14:26:03,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-03 14:26:03,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779442599] [2025-03-03 14:26:03,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:26:03,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:26:03,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:26:03,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:26:03,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-03 14:26:03,858 INFO L87 Difference]: Start difference. First operand 424 states and 665 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2025-03-03 14:26:03,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:26:03,915 INFO L93 Difference]: Finished difference Result 837 states and 1319 transitions. [2025-03-03 14:26:03,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:26:03,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 [2025-03-03 14:26:03,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:26:03,920 INFO L225 Difference]: With dead ends: 837 [2025-03-03 14:26:03,920 INFO L226 Difference]: Without dead ends: 426 [2025-03-03 14:26:03,923 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 [2025-03-03 14:26:03,924 INFO L435 NwaCegarLoop]: 534 mSDtfsCounter, 2 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2119 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 [2025-03-03 14:26:03,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2119 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:26:03,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-03-03 14:26:03,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2025-03-03 14:26:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 338 states have (on average 1.5887573964497042) internal successors, (537), 342 states have internal predecessors, (537), 64 states have call successors, (64), 21 states have call predecessors, (64), 23 states have return successors, (70), 62 states have call predecessors, (70), 63 states have call successors, (70) [2025-03-03 14:26:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 671 transitions. [2025-03-03 14:26:03,947 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 671 transitions. Word has length 106 [2025-03-03 14:26:03,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:26:03,948 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 671 transitions. [2025-03-03 14:26:03,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2025-03-03 14:26:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 671 transitions. [2025-03-03 14:26:03,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-03 14:26:03,951 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:26:03,951 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] [2025-03-03 14:26:03,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-03 14:26:04,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 14:26:04,152 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:26:04,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:26:04,152 INFO L85 PathProgramCache]: Analyzing trace with hash 463628647, now seen corresponding path program 1 times [2025-03-03 14:26:04,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:26:04,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978718765] [2025-03-03 14:26:04,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:26:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:26:04,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-03 14:26:04,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-03 14:26:04,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:26:04,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-03 14:26:04,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:26:04,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978718765] [2025-03-03 14:26:04,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978718765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:26:04,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:26:04,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:26:04,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586542889] [2025-03-03 14:26:04,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:26:04,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:26:04,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:26:04,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:26:04,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:26:04,294 INFO L87 Difference]: Start difference. First operand 426 states and 671 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2025-03-03 14:26:04,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:26:04,341 INFO L93 Difference]: Finished difference Result 829 states and 1310 transitions. [2025-03-03 14:26:04,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:26:04,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 [2025-03-03 14:26:04,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:26:04,344 INFO L225 Difference]: With dead ends: 829 [2025-03-03 14:26:04,345 INFO L226 Difference]: Without dead ends: 426 [2025-03-03 14:26:04,346 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 [2025-03-03 14:26:04,347 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 2 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2137 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 [2025-03-03 14:26:04,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2137 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:26:04,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-03-03 14:26:04,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2025-03-03 14:26:04,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 338 states have (on average 1.5887573964497042) internal successors, (537), 342 states have internal predecessors, (537), 64 states have call successors, (64), 21 states have call predecessors, (64), 23 states have return successors, (69), 62 states have call predecessors, (69), 63 states have call successors, (69) [2025-03-03 14:26:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 670 transitions. [2025-03-03 14:26:04,372 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 670 transitions. Word has length 107 [2025-03-03 14:26:04,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:26:04,373 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 670 transitions. [2025-03-03 14:26:04,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2025-03-03 14:26:04,373 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 670 transitions. [2025-03-03 14:26:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-03 14:26:04,375 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:26:04,375 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 14:26:04,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 14:26:04,375 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:26:04,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:26:04,376 INFO L85 PathProgramCache]: Analyzing trace with hash -868791959, now seen corresponding path program 2 times [2025-03-03 14:26:04,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:26:04,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097784920] [2025-03-03 14:26:04,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-03 14:26:04,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:26:04,396 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-03-03 14:26:04,401 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 44 of 108 statements. [2025-03-03 14:26:04,401 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-03 14:26:04,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:26:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-03 14:26:04,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:26:04,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097784920] [2025-03-03 14:26:04,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097784920] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:26:04,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:26:04,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 14:26:04,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315259849] [2025-03-03 14:26:04,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:26:04,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 14:26:04,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:26:04,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 14:26:04,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-03 14:26:04,474 INFO L87 Difference]: Start difference. First operand 426 states and 670 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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) [2025-03-03 14:26:04,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:26:04,503 INFO L93 Difference]: Finished difference Result 426 states and 670 transitions. [2025-03-03 14:26:04,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 14:26:04,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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 [2025-03-03 14:26:04,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:26:04,504 INFO L225 Difference]: With dead ends: 426 [2025-03-03 14:26:04,504 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 14:26:04,505 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 [2025-03-03 14:26:04,505 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 0 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3219 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 [2025-03-03 14:26:04,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3219 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:26:04,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 14:26:04,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 14:26:04,506 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) [2025-03-03 14:26:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 14:26:04,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2025-03-03 14:26:04,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:26:04,506 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 14:26:04,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 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) [2025-03-03 14:26:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 14:26:04,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 14:26:04,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:26:04,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 14:26:04,510 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2025-03-03 14:26:04,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 14:26:04,582 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:26:04,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:26:04 BoogieIcfgContainer [2025-03-03 14:26:04,589 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:26:04,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:26:04,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:26:04,590 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:26:04,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:25:59" (3/4) ... [2025-03-03 14:26:04,592 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 14:26:04,596 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailSignKey [2025-03-03 14:26:04,596 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-03-03 14:26:04,596 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isSigned [2025-03-03 14:26:04,596 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientPrivateKey [2025-03-03 14:26:04,596 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure chuckKeyAdd [2025-03-03 14:26:04,596 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure createClientKeyringEntry [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure generateKeyPair [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringUser [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientKeyringPublicKey [2025-03-03 14:26:04,597 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-03-03 14:26:04,609 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2025-03-03 14:26:04,611 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2025-03-03 14:26:04,612 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-03 14:26:04,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 14:26:04,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:26:04,615 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:26:04,734 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:26:04,734 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:26:04,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:26:04,735 INFO L158 Benchmark]: Toolchain (without parser) took 6643.23ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 102.9MB in the beginning and 67.6MB in the end (delta: 35.3MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2025-03-03 14:26:04,735 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:26:04,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.70ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 64.7MB in the end (delta: 38.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-03 14:26:04,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.34ms. Allocated memory is still 142.6MB. Free memory was 64.7MB in the beginning and 59.4MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:26:04,736 INFO L158 Benchmark]: Boogie Preprocessor took 59.77ms. Allocated memory is still 142.6MB. Free memory was 59.4MB in the beginning and 54.0MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:26:04,736 INFO L158 Benchmark]: IcfgBuilder took 1071.11ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 39.3MB in the end (delta: 14.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2025-03-03 14:26:04,736 INFO L158 Benchmark]: TraceAbstraction took 4706.74ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 38.6MB in the beginning and 86.8MB in the end (delta: -48.1MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2025-03-03 14:26:04,736 INFO L158 Benchmark]: Witness Printer took 144.59ms. Allocated memory is still 218.1MB. Free memory was 86.8MB in the beginning and 67.6MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:26:04,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.70ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 64.7MB in the end (delta: 38.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.34ms. Allocated memory is still 142.6MB. Free memory was 64.7MB in the beginning and 59.4MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.77ms. Allocated memory is still 142.6MB. Free memory was 59.4MB in the beginning and 54.0MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1071.11ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 39.3MB in the end (delta: 14.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4706.74ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 38.6MB in the beginning and 86.8MB in the end (delta: -48.1MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Witness Printer took 144.59ms. Allocated memory is still 218.1MB. Free memory was 86.8MB in the beginning and 67.6MB in the end (delta: 19.2MB). 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,"Client.i","") [48] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [416] - GenericResultAtLocation [Line: 433]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [433] - GenericResultAtLocation [Line: 452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [452] - GenericResultAtLocation [Line: 551]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [551] - GenericResultAtLocation [Line: 952]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [952] - GenericResultAtLocation [Line: 961]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [961] - GenericResultAtLocation [Line: 999]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [999] - GenericResultAtLocation [Line: 2071]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2071] - GenericResultAtLocation [Line: 2437]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2437] - GenericResultAtLocation [Line: 2736]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2736] * 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: 957]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 361 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 12304 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8503 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3801 mSDtfsCounter, 152 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 542 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=426occurred 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1227 NumberOfCodeBlocks, 1163 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1215 ConstructedInterpolants, 0 QuantifiedInterpolants, 1324 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5080 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 335/353 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! [2025-03-03 14:26:04,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE