./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 331c48a04a8caddf27498f6f02cdac644ba512a5bbe373bec7a9be0d5f3b8263 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:40:17,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:40:17,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:40:17,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:40:17,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:40:17,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:40:17,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:40:17,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:40:17,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:40:17,255 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:40:17,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:40:17,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:40:17,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:40:17,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:40:17,256 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:40:17,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:40:17,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:40:17,256 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:40:17,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:40:17,257 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:40:17,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:17,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:40:17,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:40:17,260 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-jdk21/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 -> 331c48a04a8caddf27498f6f02cdac644ba512a5bbe373bec7a9be0d5f3b8263 [2025-02-05 15:40:17,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:40:17,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:40:17,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:40:17,567 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:40:17,567 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:40:17,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2025-02-05 15:40:18,884 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dfe7bac6f/2daa039a10154014ba00be35eb154a20/FLAG07af71269 [2025-02-05 15:40:19,290 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:40:19,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2025-02-05 15:40:19,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dfe7bac6f/2daa039a10154014ba00be35eb154a20/FLAG07af71269 [2025-02-05 15:40:19,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dfe7bac6f/2daa039a10154014ba00be35eb154a20 [2025-02-05 15:40:19,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:40:19,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:40:19,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:40:19,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:40:19,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:40:19,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:40:19" (1/1) ... [2025-02-05 15:40:19,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132d9346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:19, skipping insertion in model container [2025-02-05 15:40:19,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:40:19" (1/1) ... [2025-02-05 15:40:19,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:40:19,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2025-02-05 15:40:19,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:40:19,971 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:40:19,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2025-02-05 15:40:19,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [97] [2025-02-05 15:40:19,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [463] [2025-02-05 15:40:19,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [481] [2025-02-05 15:40:19,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [490] [2025-02-05 15:40:19,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1570] [2025-02-05 15:40:19,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] [2025-02-05 15:40:19,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1881] [2025-02-05 15:40:19,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2288] [2025-02-05 15:40:19,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2307] [2025-02-05 15:40:19,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2509] [2025-02-05 15:40:20,028 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2025-02-05 15:40:20,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:40:20,134 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:40:20,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20 WrapperNode [2025-02-05 15:40:20,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:40:20,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:40:20,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:40:20,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:40:20,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,212 INFO L138 Inliner]: procedures = 113, calls = 136, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 693 [2025-02-05 15:40:20,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:40:20,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:40:20,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:40:20,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:40:20,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,262 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2025-02-05 15:40:20,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:40:20,313 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:40:20,313 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:40:20,313 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:40:20,314 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (1/1) ... [2025-02-05 15:40:20,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:40:20,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:20,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:40:20,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:40:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-02-05 15:40:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-02-05 15:40:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-02-05 15:40:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-02-05 15:40:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-02-05 15:40:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-02-05 15:40:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-02-05 15:40:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-02-05 15:40:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-02-05 15:40:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-02-05 15:40:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-02-05 15:40:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-02-05 15:40:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-02-05 15:40:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-02-05 15:40:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-02-05 15:40:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-02-05 15:40:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-02-05 15:40:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-02-05 15:40:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-02-05 15:40:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-02-05 15:40:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-02-05 15:40:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-02-05 15:40:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-02-05 15:40:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:40:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:40:20,580 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:40:20,583 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:40:20,689 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2006: #res := ~retValue_acc~33; [2025-02-05 15:40:20,718 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1638-1: createEmail_#res#1 := createEmail_~retValue_acc~25#1; [2025-02-05 15:40:20,735 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L656: #res := ~retValue_acc~9; [2025-02-05 15:40:20,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: #res := ~retValue_acc~13; [2025-02-05 15:40:20,950 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1547-1: getClientId_#res#1 := getClientId_~retValue_acc~22#1; [2025-02-05 15:40:20,950 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1932-1: getEmailId_#res#1 := getEmailId_~retValue_acc~31#1; [2025-02-05 15:40:20,950 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1065-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~14#1; [2025-02-05 15:40:20,950 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1500-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~21#1; [2025-02-05 15:40:21,195 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L94-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-02-05 15:40:21,195 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1823-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~27#1; [2025-02-05 15:40:21,195 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1832-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~28#1; [2025-02-05 15:40:21,195 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1841-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~29#1; [2025-02-05 15:40:21,203 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1969: #res := ~retValue_acc~32; [2025-02-05 15:40:21,239 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1614: #res := ~retValue_acc~23; [2025-02-05 15:40:21,365 INFO L? ?]: Removed 301 outVars from TransFormulas that were not future-live. [2025-02-05 15:40:21,365 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:40:21,388 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:40:21,388 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:40:21,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:21 BoogieIcfgContainer [2025-02-05 15:40:21,389 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:40:21,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:40:21,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:40:21,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:40:21,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:40:19" (1/3) ... [2025-02-05 15:40:21,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d2bd37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:40:21, skipping insertion in model container [2025-02-05 15:40:21,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:40:20" (2/3) ... [2025-02-05 15:40:21,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d2bd37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:40:21, skipping insertion in model container [2025-02-05 15:40:21,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:21" (3/3) ... [2025-02-05 15:40:21,403 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2025-02-05 15:40:21,416 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:40:21,419 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec0_product36.cil.c that has 15 procedures, 231 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 15:40:21,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:40:21,495 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;@44df49ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:40:21,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:40:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 184 states have (on average 1.548913043478261) internal successors, (285), 187 states have internal predecessors, (285), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2025-02-05 15:40:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-05 15:40:21,513 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:21,514 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-05 15:40:21,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:21,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:21,519 INFO L85 PathProgramCache]: Analyzing trace with hash -146805564, now seen corresponding path program 1 times [2025-02-05 15:40:21,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:21,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122437001] [2025-02-05 15:40:21,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:21,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:21,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-05 15:40:21,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-05 15:40:21,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:21,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-02-05 15:40:22,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:22,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122437001] [2025-02-05 15:40:22,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122437001] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:22,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997968364] [2025-02-05 15:40:22,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:22,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:22,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:22,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:22,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 15:40:22,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-05 15:40:22,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-05 15:40:22,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:22,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:22,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 15:40:22,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-02-05 15:40:22,581 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:22,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997968364] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:22,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:22,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2025-02-05 15:40:22,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490656549] [2025-02-05 15:40:22,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:22,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:40:22,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:22,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:40:22,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:22,612 INFO L87 Difference]: Start difference. First operand has 231 states, 184 states have (on average 1.548913043478261) internal successors, (285), 187 states have internal predecessors, (285), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-05 15:40:22,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:22,659 INFO L93 Difference]: Finished difference Result 369 states and 543 transitions. [2025-02-05 15:40:22,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:40:22,661 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 88 [2025-02-05 15:40:22,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:22,676 INFO L225 Difference]: With dead ends: 369 [2025-02-05 15:40:22,677 INFO L226 Difference]: Without dead ends: 224 [2025-02-05 15:40:22,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:22,684 INFO L435 NwaCegarLoop]: 344 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, 344 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 [2025-02-05 15:40:22,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:22,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-02-05 15:40:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2025-02-05 15:40:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 178 states have (on average 1.5449438202247192) internal successors, (275), 180 states have internal predecessors, (275), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-05 15:40:22,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 336 transitions. [2025-02-05 15:40:22,737 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 336 transitions. Word has length 88 [2025-02-05 15:40:22,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:22,738 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 336 transitions. [2025-02-05 15:40:22,738 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-05 15:40:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 336 transitions. [2025-02-05 15:40:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-05 15:40:22,745 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:22,745 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-05 15:40:22,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 15:40:22,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 15:40:22,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:22,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:22,947 INFO L85 PathProgramCache]: Analyzing trace with hash 331284635, now seen corresponding path program 1 times [2025-02-05 15:40:22,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:22,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4199429] [2025-02-05 15:40:22,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:22,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:22,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-05 15:40:23,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-05 15:40:23,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:23,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-02-05 15:40:23,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:23,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4199429] [2025-02-05 15:40:23,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4199429] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:23,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586958237] [2025-02-05 15:40:23,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:23,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:23,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:23,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 15:40:23,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-05 15:40:23,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-05 15:40:23,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:23,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:23,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 15:40:23,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-02-05 15:40:23,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:23,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586958237] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:23,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:23,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-05 15:40:23,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239539155] [2025-02-05 15:40:23,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:23,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:40:23,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:23,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:40:23,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:23,546 INFO L87 Difference]: Start difference. First operand 224 states and 336 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-05 15:40:23,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:23,574 INFO L93 Difference]: Finished difference Result 358 states and 521 transitions. [2025-02-05 15:40:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:40:23,574 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 89 [2025-02-05 15:40:23,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:23,577 INFO L225 Difference]: With dead ends: 358 [2025-02-05 15:40:23,577 INFO L226 Difference]: Without dead ends: 226 [2025-02-05 15:40:23,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:40:23,579 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 668 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 [2025-02-05 15:40:23,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 668 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:23,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-02-05 15:40:23,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2025-02-05 15:40:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 180 states have (on average 1.538888888888889) internal successors, (277), 182 states have internal predecessors, (277), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-05 15:40:23,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 338 transitions. [2025-02-05 15:40:23,600 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 338 transitions. Word has length 89 [2025-02-05 15:40:23,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:23,601 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 338 transitions. [2025-02-05 15:40:23,601 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-05 15:40:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 338 transitions. [2025-02-05 15:40:23,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-05 15:40:23,609 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:23,609 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-05 15:40:23,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-05 15:40:23,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:23,810 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:23,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:23,810 INFO L85 PathProgramCache]: Analyzing trace with hash -311981929, now seen corresponding path program 1 times [2025-02-05 15:40:23,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:23,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700430776] [2025-02-05 15:40:23,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:23,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:23,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-05 15:40:23,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-05 15:40:23,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:23,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-05 15:40:24,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:24,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700430776] [2025-02-05 15:40:24,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700430776] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 15:40:24,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317289409] [2025-02-05 15:40:24,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:24,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:24,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:40:24,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 15:40:24,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-05 15:40:24,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-05 15:40:24,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-05 15:40:24,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:24,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:24,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 15:40:24,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 15:40:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-05 15:40:24,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 15:40:24,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317289409] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:24,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 15:40:24,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-05 15:40:24,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755494246] [2025-02-05 15:40:24,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:24,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:24,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:24,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:24,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:40:24,392 INFO L87 Difference]: Start difference. First operand 226 states and 338 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-05 15:40:24,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:24,467 INFO L93 Difference]: Finished difference Result 445 states and 669 transitions. [2025-02-05 15:40:24,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:24,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 93 [2025-02-05 15:40:24,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:24,471 INFO L225 Difference]: With dead ends: 445 [2025-02-05 15:40:24,471 INFO L226 Difference]: Without dead ends: 228 [2025-02-05 15:40:24,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-05 15:40:24,477 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 2 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1301 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 [2025-02-05 15:40:24,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1301 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:24,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-02-05 15:40:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2025-02-05 15:40:24,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.5359116022099448) internal successors, (278), 184 states have internal predecessors, (278), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (32), 29 states have call predecessors, (32), 30 states have call successors, (32) [2025-02-05 15:40:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 341 transitions. [2025-02-05 15:40:24,498 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 341 transitions. Word has length 93 [2025-02-05 15:40:24,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:24,498 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 341 transitions. [2025-02-05 15:40:24,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-05 15:40:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 341 transitions. [2025-02-05 15:40:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-05 15:40:24,501 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:24,501 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:24,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-05 15:40:24,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 15:40:24,702 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:24,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:24,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1934934713, now seen corresponding path program 1 times [2025-02-05 15:40:24,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:24,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656648486] [2025-02-05 15:40:24,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:40:24,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:24,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-05 15:40:24,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-05 15:40:24,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:40:24,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-05 15:40:24,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:24,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656648486] [2025-02-05 15:40:24,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656648486] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:24,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:40:24,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:40:24,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908330503] [2025-02-05 15:40:24,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:24,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:40:24,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:24,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:40:24,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:40:24,856 INFO L87 Difference]: Start difference. First operand 228 states and 341 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-05 15:40:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:24,914 INFO L93 Difference]: Finished difference Result 437 states and 657 transitions. [2025-02-05 15:40:24,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:40:24,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 94 [2025-02-05 15:40:24,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:24,917 INFO L225 Difference]: With dead ends: 437 [2025-02-05 15:40:24,918 INFO L226 Difference]: Without dead ends: 228 [2025-02-05 15:40:24,919 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 [2025-02-05 15:40:24,919 INFO L435 NwaCegarLoop]: 329 mSDtfsCounter, 2 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1305 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 [2025-02-05 15:40:24,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1305 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:24,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-02-05 15:40:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2025-02-05 15:40:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.5359116022099448) internal successors, (278), 184 states have internal predecessors, (278), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2025-02-05 15:40:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 340 transitions. [2025-02-05 15:40:24,946 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 340 transitions. Word has length 94 [2025-02-05 15:40:24,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:24,946 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 340 transitions. [2025-02-05 15:40:24,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-05 15:40:24,946 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 340 transitions. [2025-02-05 15:40:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-05 15:40:24,947 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:40:24,948 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:40:24,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 15:40:24,948 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:40:24,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:40:24,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1467349401, now seen corresponding path program 2 times [2025-02-05 15:40:24,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:40:24,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017717566] [2025-02-05 15:40:24,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-05 15:40:24,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:40:24,971 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-02-05 15:40:24,984 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 53 of 95 statements. [2025-02-05 15:40:24,988 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-05 15:40:24,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:40:25,136 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-05 15:40:25,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:40:25,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017717566] [2025-02-05 15:40:25,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017717566] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:40:25,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:40:25,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-05 15:40:25,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793923083] [2025-02-05 15:40:25,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:40:25,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 15:40:25,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:40:25,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 15:40:25,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:40:25,139 INFO L87 Difference]: Start difference. First operand 228 states and 340 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2025-02-05 15:40:25,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:40:25,186 INFO L93 Difference]: Finished difference Result 228 states and 340 transitions. [2025-02-05 15:40:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-05 15:40:25,187 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 95 [2025-02-05 15:40:25,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:40:25,188 INFO L225 Difference]: With dead ends: 228 [2025-02-05 15:40:25,188 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:40:25,189 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 [2025-02-05 15:40:25,189 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 1641 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1971 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 [2025-02-05 15:40:25,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1971 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:40:25,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:40:25,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:40:25,190 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) [2025-02-05 15:40:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:40:25,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2025-02-05 15:40:25,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:40:25,191 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:40:25,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2025-02-05 15:40:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:40:25,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:40:25,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:40:25,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 15:40:25,198 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2025-02-05 15:40:25,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:40:25,272 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:40:25,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:40:25 BoogieIcfgContainer [2025-02-05 15:40:25,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:40:25,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:40:25,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:40:25,287 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:40:25,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:40:21" (3/4) ... [2025-02-05 15:40:25,290 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:40:25,295 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailTo [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailTo [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookSize [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sendEmail [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookSize [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getClientAddressBookAddress [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outgoing__wrappee__AutoResponder [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setEmailFrom [2025-02-05 15:40:25,296 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure getEmailFrom [2025-02-05 15:40:25,297 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientAddressBookAddress [2025-02-05 15:40:25,297 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isReadable [2025-02-05 15:40:25,297 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure queue [2025-02-05 15:40:25,297 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure setClientId [2025-02-05 15:40:25,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2025-02-05 15:40:25,321 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-02-05 15:40:25,323 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-05 15:40:25,324 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-05 15:40:25,325 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:40:25,326 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:40:25,471 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:40:25,472 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:40:25,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:40:25,473 INFO L158 Benchmark]: Toolchain (without parser) took 6118.72ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 121.8MB in the beginning and 261.0MB in the end (delta: -139.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2025-02-05 15:40:25,474 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:25,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 780.14ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 86.4MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-05 15:40:25,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.95ms. Allocated memory is still 167.8MB. Free memory was 86.4MB in the beginning and 82.3MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:40:25,476 INFO L158 Benchmark]: Boogie Preprocessor took 98.72ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 78.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:40:25,476 INFO L158 Benchmark]: IcfgBuilder took 1076.44ms. Allocated memory is still 167.8MB. Free memory was 78.0MB in the beginning and 106.9MB in the end (delta: -28.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2025-02-05 15:40:25,477 INFO L158 Benchmark]: TraceAbstraction took 3891.52ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 106.9MB in the beginning and 275.9MB in the end (delta: -169.0MB). Peak memory consumption was 746.5kB. Max. memory is 16.1GB. [2025-02-05 15:40:25,478 INFO L158 Benchmark]: Witness Printer took 184.79ms. Allocated memory is still 335.5MB. Free memory was 275.9MB in the beginning and 261.0MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:40:25,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 780.14ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 86.4MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.95ms. Allocated memory is still 167.8MB. Free memory was 86.4MB in the beginning and 82.3MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.72ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 78.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1076.44ms. Allocated memory is still 167.8MB. Free memory was 78.0MB in the beginning and 106.9MB in the end (delta: -28.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3891.52ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 106.9MB in the beginning and 275.9MB in the end (delta: -169.0MB). Peak memory consumption was 746.5kB. Max. memory is 16.1GB. * Witness Printer took 184.79ms. Allocated memory is still 335.5MB. Free memory was 275.9MB in the beginning and 261.0MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] - GenericResultAtLocation [Line: 97]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [97] - GenericResultAtLocation [Line: 463]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [463] - GenericResultAtLocation [Line: 481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [481] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [490] - GenericResultAtLocation [Line: 1570]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1570] - GenericResultAtLocation [Line: 1641]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] - GenericResultAtLocation [Line: 1881]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1881] - GenericResultAtLocation [Line: 2288]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2288] - GenericResultAtLocation [Line: 2307]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2307] - GenericResultAtLocation [Line: 2509]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2509] * 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: 486]: 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 15 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5589 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3923 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1666 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 729 NumberOfCodeBlocks, 687 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 721 ConstructedInterpolants, 0 QuantifiedInterpolants, 779 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2578 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 160/169 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! [2025-02-05 15:40:25,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE