./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9a35f77051831a79054d5620e487d68dd21285b0cc9c8ae29c469f997bd1ec7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:40:35,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:40:35,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:40:35,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:40:35,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:40:35,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:40:35,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:40:35,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:40:35,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:40:35,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:40:35,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:40:35,570 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:40:35,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:40:35,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:40:35,571 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:40:35,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:40:35,571 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:40:35,571 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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(F end) ) 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 -> c9a35f77051831a79054d5620e487d68dd21285b0cc9c8ae29c469f997bd1ec7 [2025-02-06 19:40:35,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:40:35,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:40:35,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:40:35,754 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:40:35,755 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:40:35,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c [2025-02-06 19:40:37,023 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/617a7c668/f2e67aabcf1d40a7a1f7dc48dcb97c22/FLAG55e7126dd [2025-02-06 19:40:37,371 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:40:37,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product10.cil.c [2025-02-06 19:40:37,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/617a7c668/f2e67aabcf1d40a7a1f7dc48dcb97c22/FLAG55e7126dd [2025-02-06 19:40:37,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/617a7c668/f2e67aabcf1d40a7a1f7dc48dcb97c22 [2025-02-06 19:40:37,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:40:37,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:40:37,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:40:37,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:40:37,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:40:37,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:40:37" (1/1) ... [2025-02-06 19:40:37,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c442006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:37, skipping insertion in model container [2025-02-06 19:40:37,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:40:37" (1/1) ... [2025-02-06 19:40:37,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:40:37,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:40:37,997 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:40:38,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2025-02-06 19:40:38,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [460] [2025-02-06 19:40:38,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [478] [2025-02-06 19:40:38,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1558] [2025-02-06 19:40:38,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1769] [2025-02-06 19:40:38,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1967] [2025-02-06 19:40:38,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2333] [2025-02-06 19:40:38,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2354] [2025-02-06 19:40:38,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2363] [2025-02-06 19:40:38,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2504] [2025-02-06 19:40:38,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2567] [2025-02-06 19:40:38,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:40:38,121 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:40:38,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38 WrapperNode [2025-02-06 19:40:38,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:40:38,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:40:38,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:40:38,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:40:38,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,196 INFO L138 Inliner]: procedures = 110, calls = 122, calls flagged for inlining = 63, calls inlined = 79, statements flattened = 1049 [2025-02-06 19:40:38,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:40:38,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:40:38,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:40:38,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:40:38,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,222 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]. [2025-02-06 19:40:38,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,233 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:40:38,242 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:40:38,242 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:40:38,242 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:40:38,243 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (1/1) ... [2025-02-06 19:40:38,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:38,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:40:38,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:40:38,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:40:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:40:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:40:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 19:40:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:40:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:40:38,429 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:40:38,430 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2564-1: createEmail_#res#1 := createEmail_~retValue_acc~39#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L104-1: getEmailId_#res#1 := getEmailId_~retValue_acc~1#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L104-3: getEmailId_#res#1 := getEmailId_~retValue_acc~1#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2599-1: valid_product_#res#1 := valid_product_~retValue_acc~41#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1724-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~31#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L141-1: getEmailFrom_#res#1 := getEmailFrom_~retValue_acc~2#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L141-3: getEmailFrom_#res#1 := getEmailFrom_~retValue_acc~2#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L141-5: getEmailFrom_#res#1 := getEmailFrom_~retValue_acc~2#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L141-7: getEmailFrom_#res#1 := getEmailFrom_~retValue_acc~2#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~20#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-3: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~20#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L178-1: getEmailTo_#res#1 := getEmailTo_~retValue_acc~3#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L178-3: getEmailTo_#res#1 := getEmailTo_~retValue_acc~3#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L178-5: getEmailTo_#res#1 := getEmailTo_~retValue_acc~3#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L178-7: getEmailTo_#res#1 := getEmailTo_~retValue_acc~3#1; [2025-02-06 19:40:38,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2540-1: isReadable_#res#1 := isReadable_~retValue_acc~37#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2540-3: isReadable_#res#1 := isReadable_~retValue_acc~37#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2540-5: isReadable_#res#1 := isReadable_~retValue_acc~37#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2540-7: isReadable_#res#1 := isReadable_~retValue_acc~37#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1715-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~30#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1733-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~32#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1535-1: getClientId_#res#1 := getClientId_~retValue_acc~28#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1535-3: getClientId_#res#1 := getClientId_~retValue_acc~28#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1488-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~27#1; [2025-02-06 19:40:38,989 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1488-3: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~27#1; [2025-02-06 19:40:39,061 INFO L? ?]: Removed 466 outVars from TransFormulas that were not future-live. [2025-02-06 19:40:39,061 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:40:39,069 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:40:39,069 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:40:39,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:40:39 BoogieIcfgContainer [2025-02-06 19:40:39,070 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:40:39,070 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:40:39,070 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:40:39,074 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:40:39,074 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:40:39,074 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:40:37" (1/3) ... [2025-02-06 19:40:39,075 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d97e3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:40:39, skipping insertion in model container [2025-02-06 19:40:39,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:40:39,075 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:40:38" (2/3) ... [2025-02-06 19:40:39,076 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d97e3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:40:39, skipping insertion in model container [2025-02-06 19:40:39,076 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:40:39,076 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:40:39" (3/3) ... [2025-02-06 19:40:39,077 INFO L363 chiAutomizerObserver]: Analyzing ICFG email_spec11_product10.cil.c [2025-02-06 19:40:39,141 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:40:39,141 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:40:39,141 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:40:39,141 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:40:39,141 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:40:39,141 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:40:39,141 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:40:39,141 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:40:39,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 187 states, 186 states have (on average 1.543010752688172) internal successors, (287), 186 states have internal predecessors, (287), 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) [2025-02-06 19:40:39,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2025-02-06 19:40:39,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:40:39,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:40:39,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:40:39,170 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 19:40:39,170 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:40:39,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 187 states, 186 states have (on average 1.543010752688172) internal successors, (287), 186 states have internal predecessors, (287), 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) [2025-02-06 19:40:39,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2025-02-06 19:40:39,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:40:39,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:40:39,175 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:40:39,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-06 19:40:39,180 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int#1(37, 4, 0, 1);call write~init~int#1(115, 4, 1, 1);call write~init~int#1(10, 4, 2, 1);call write~init~int#1(0, 4, 3, 1);call #Ultimate.allocInit(30, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(21, 7);call #Ultimate.allocInit(30, 8);call #Ultimate.allocInit(9, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(30, 11);call #Ultimate.allocInit(9, 12);call #Ultimate.allocInit(25, 13);call #Ultimate.allocInit(30, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(25, 16);call #Ultimate.allocInit(9, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(11, 19);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(12, 21);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(18, 23);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet62#1, main_#t~ret63#1, main_~retValue_acc~36#1, main_~tmp~15#1;havoc main_#t~nondet62#1;main_~retValue_acc~36#1 := main_#t~nondet62#1;havoc main_#t~nondet62#1;havoc main_~tmp~15#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~41#1;havoc valid_product_~retValue_acc~41#1;valid_product_~retValue_acc~41#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~41#1;" "main_#t~ret63#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~41#1;assume { :end_inline_valid_product } true;main_~tmp~15#1 := main_#t~ret63#1;havoc main_#t~ret63#1;" "assume 0 != main_~tmp~15#1;assume { :begin_inline_setup } true;havoc setup_#t~ret59#1, setup_#t~ret60#1, setup_#t~ret61#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob_~bob___0#1, setup_bob_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_bob_~bob___0#1;havoc setup_bob_#in~bob___0#1;assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 17, 0;havoc setup_#t~ret59#1;havoc setup_#t~ret59#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh_~rjh___0#1, setup_rjh_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_rjh_~rjh___0#1;havoc setup_rjh_#in~rjh___0#1;assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 18, 0;havoc setup_#t~ret60#1;havoc setup_#t~ret60#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck_~chuck___0#1, setup_chuck_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1;" "assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1;" "havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true;" "havoc setup_chuck_~chuck___0#1;havoc setup_chuck_#in~chuck___0#1;assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 19, 0;havoc setup_#t~ret61#1;havoc setup_#t~ret61#1;" "havoc setup_#t~ret59#1, setup_#t~ret60#1, setup_#t~ret61#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:40:39,183 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1;" "assume 0 == test_~op1~0#1;havoc test_#t~nondet18#1;test_~tmp___9~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume 0 != test_~tmp___9~0#1;test_~op1~0#1 := 1;" [2025-02-06 19:40:39,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:40:39,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1989751410, now seen corresponding path program 1 times [2025-02-06 19:40:39,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:40:39,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406682436] [2025-02-06 19:40:39,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:40:39,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:40:39,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:40:39,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:40:39,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:40:39,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:40:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:40:39,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:40:39,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406682436] [2025-02-06 19:40:39,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406682436] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:40:39,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:40:39,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:40:39,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756581018] [2025-02-06 19:40:39,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:40:39,418 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-06 19:40:39,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:40:39,418 INFO L85 PathProgramCache]: Analyzing trace with hash 13818557, now seen corresponding path program 1 times [2025-02-06 19:40:39,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:40:39,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744497636] [2025-02-06 19:40:39,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:40:39,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:40:39,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:40:39,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:40:39,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:40:39,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:40:39,426 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:40:39,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:40:39,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:40:39,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:40:39,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:40:39,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:40:39,524 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:40:39,524 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:40:39,524 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:40:39,524 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:40:39,524 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-06 19:40:39,524 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,524 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:40:39,524 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:40:39,525 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec11_product10.cil.c_Iteration1_Loop [2025-02-06 19:40:39,525 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:40:39,525 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:40:39,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:40:39,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:40:39,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:40:39,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:40:39,582 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:40:39,582 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-06 19:40:39,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:40:39,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:40:39,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-06 19:40:39,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:40:39,594 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:40:39,622 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-06 19:40:39,622 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet18#1=0} Honda state: {ULTIMATE.start_test_#t~nondet18#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-06 19:40:39,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-06 19:40:39,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:40:39,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:40:39,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-06 19:40:39,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-06 19:40:39,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:40:39,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-06 19:40:39,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:40:39,668 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:40:39,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-06 19:40:39,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-06 19:40:39,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-06 19:40:39,694 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-06 19:40:39,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-06 19:40:39,702 INFO L204 LassoAnalysis]: Preferences: [2025-02-06 19:40:39,702 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-06 19:40:39,702 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-06 19:40:39,702 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-06 19:40:39,702 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-06 19:40:39,702 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,702 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-06 19:40:39,702 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-06 19:40:39,702 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec11_product10.cil.c_Iteration1_Loop [2025-02-06 19:40:39,702 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-06 19:40:39,702 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-06 19:40:39,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:40:39,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:40:39,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:40:39,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-06 19:40:39,742 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-06 19:40:39,745 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-06 19:40:39,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:40:39,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:40:39,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-06 19:40:39,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:40:39,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:40:39,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:40:39,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:40:39,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:40:39,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:40:39,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:40:39,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:40:39,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:40:39,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-06 19:40:39,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:40:39,780 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:40:39,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-06 19:40:39,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:40:39,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:40:39,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:40:39,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:40:39,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:40:39,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:40:39,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:40:39,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:40:39,794 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-06 19:40:39,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-06 19:40:39,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:40:39,802 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:40:39,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-06 19:40:39,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-06 19:40:39,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-06 19:40:39,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-06 19:40:39,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-06 19:40:39,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-06 19:40:39,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-06 19:40:39,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-06 19:40:39,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-06 19:40:39,817 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-06 19:40:39,819 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-06 19:40:39,821 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-06 19:40:39,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:40:39,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:40:39,824 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:40:39,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-06 19:40:39,827 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-06 19:40:39,827 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-06 19:40:39,827 INFO L474 LassoAnalysis]: Proved termination. [2025-02-06 19:40:39,827 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2025-02-06 19:40:39,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-06 19:40:39,837 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-06 19:40:39,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:40:39,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:40:39,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:40:39,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:40:39,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:40:39,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 19:40:39,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:40:39,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 19:40:39,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 19:40:39,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:40:39,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:40:39,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 19:40:39,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 19:40:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:40:40,004 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-06 19:40:40,006 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 187 states, 186 states have (on average 1.543010752688172) internal successors, (287), 186 states have internal predecessors, (287), 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) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-02-06 19:40:40,073 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 187 states, 186 states have (on average 1.543010752688172) internal successors, (287), 186 states have internal predecessors, (287), 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). Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) Result 604 states and 913 transitions. Complement of second has 6 states. [2025-02-06 19:40:40,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2025-02-06 19:40:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-02-06 19:40:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 474 transitions. [2025-02-06 19:40:40,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 474 transitions. Stem has 16 letters. Loop has 4 letters. [2025-02-06 19:40:40,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:40:40,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 474 transitions. Stem has 20 letters. Loop has 4 letters. [2025-02-06 19:40:40,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:40:40,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 474 transitions. Stem has 16 letters. Loop has 8 letters. [2025-02-06 19:40:40,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-06 19:40:40,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 604 states and 913 transitions. [2025-02-06 19:40:40,090 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:40:40,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 604 states to 0 states and 0 transitions. [2025-02-06 19:40:40,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:40:40,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:40:40,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:40:40,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:40:40,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:40:40,095 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:40:40,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:40:40,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:40:40,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:40:40,097 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-02-06 19:40:40,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:40:40,098 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2025-02-06 19:40:40,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2025-02-06 19:40:40,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:40:40,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 19:40:40,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-06 19:40:40,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-06 19:40:40,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-06 19:40:40,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:40:40,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:40:40,098 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:40:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 19:40:40,102 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 19:40:40,102 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:40:40,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-06 19:40:40,102 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-06 19:40:40,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-06 19:40:40,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:40:40 BoogieIcfgContainer [2025-02-06 19:40:40,107 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:40:40,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:40:40,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:40:40,108 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:40:40,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:40:39" (3/4) ... [2025-02-06 19:40:40,110 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 19:40:40,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:40:40,111 INFO L158 Benchmark]: Toolchain (without parser) took 2493.46ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 55.3MB in the end (delta: 49.2MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2025-02-06 19:40:40,111 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:40:40,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.37ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 70.1MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:40:40,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.23ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 65.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:40:40,111 INFO L158 Benchmark]: Boogie Preprocessor took 43.78ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 60.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:40:40,112 INFO L158 Benchmark]: IcfgBuilder took 827.80ms. Allocated memory is still 142.6MB. Free memory was 60.5MB in the beginning and 69.2MB in the end (delta: -8.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2025-02-06 19:40:40,112 INFO L158 Benchmark]: BuchiAutomizer took 1037.37ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 55.3MB in the end (delta: 13.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2025-02-06 19:40:40,112 INFO L158 Benchmark]: Witness Printer took 2.43ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:40:40,113 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 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.37ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 70.1MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.23ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 65.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.78ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 60.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 827.80ms. Allocated memory is still 142.6MB. Free memory was 60.5MB in the beginning and 69.2MB in the end (delta: -8.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1037.37ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 55.3MB in the end (delta: 13.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 2.43ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 21.0kB). There was no memory consumed. 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,"EmailLib.i","") [48] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [460] - GenericResultAtLocation [Line: 478]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [478] - GenericResultAtLocation [Line: 1558]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1558] - GenericResultAtLocation [Line: 1769]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1769] - GenericResultAtLocation [Line: 1967]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1967] - GenericResultAtLocation [Line: 2333]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2333] - GenericResultAtLocation [Line: 2354]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2354] - GenericResultAtLocation [Line: 2363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2363] - GenericResultAtLocation [Line: 2504]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2504] - GenericResultAtLocation [Line: 2567]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2567] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * splverifierCounter) + 7) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 520 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 278 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-06 19:40:40,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-06 19:40:40,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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