./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/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_spec0_product05.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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a'] 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_spec0_product05.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 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-08 00:25:01,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 00:25:01,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 00:25:01,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 00:25:01,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 00:25:01,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 00:25:01,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 00:25:01,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 00:25:01,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 00:25:01,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 00:25:01,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 00:25:01,335 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 00:25:01,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 00:25:01,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 00:25:01,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 00:25:01,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 00:25:01,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 00:25:01,337 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 00:25:01,337 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 -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2024-11-08 00:25:01,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 00:25:01,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 00:25:01,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 00:25:01,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 00:25:01,631 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 00:25:01,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2024-11-08 00:25:02,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 00:25:03,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 00:25:03,301 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2024-11-08 00:25:03,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dccd4e147/fe6da74cc1f34965abb66639a79980c2/FLAGa6b8c1a9c [2024-11-08 00:25:03,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dccd4e147/fe6da74cc1f34965abb66639a79980c2 [2024-11-08 00:25:03,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 00:25:03,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 00:25:03,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 00:25:03,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 00:25:03,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 00:25:03,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:25:03" (1/1) ... [2024-11-08 00:25:03,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb0c8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:03, skipping insertion in model container [2024-11-08 00:25:03,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:25:03" (1/1) ... [2024-11-08 00:25:03,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 00:25:03,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:25:04,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 00:25:04,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-08 00:25:04,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [202] [2024-11-08 00:25:04,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [211] [2024-11-08 00:25:04,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [403] [2024-11-08 00:25:04,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [815] [2024-11-08 00:25:04,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1181] [2024-11-08 00:25:04,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1201] [2024-11-08 00:25:04,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2279] [2024-11-08 00:25:04,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2435] [2024-11-08 00:25:04,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2452] [2024-11-08 00:25:04,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2515] [2024-11-08 00:25:04,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:25:04,122 INFO L204 MainTranslator]: Completed translation [2024-11-08 00:25:04,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04 WrapperNode [2024-11-08 00:25:04,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 00:25:04,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 00:25:04,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 00:25:04,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 00:25:04,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,193 INFO L138 Inliner]: procedures = 107, calls = 114, calls flagged for inlining = 55, calls inlined = 65, statements flattened = 894 [2024-11-08 00:25:04,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 00:25:04,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 00:25:04,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 00:25:04,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 00:25:04,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,230 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]. [2024-11-08 00:25:04,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 00:25:04,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 00:25:04,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 00:25:04,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 00:25:04,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (1/1) ... [2024-11-08 00:25:04,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:25:04,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:25:04,294 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) [2024-11-08 00:25:04,304 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 [2024-11-08 00:25:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 00:25:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 00:25:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 00:25:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 00:25:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 00:25:04,495 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 00:25:04,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 00:25:05,089 INFO L? ?]: Removed 369 outVars from TransFormulas that were not future-live. [2024-11-08 00:25:05,089 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 00:25:05,099 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 00:25:05,099 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 00:25:05,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:05 BoogieIcfgContainer [2024-11-08 00:25:05,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 00:25:05,101 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 00:25:05,101 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 00:25:05,104 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 00:25:05,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:25:05,105 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 12:25:03" (1/3) ... [2024-11-08 00:25:05,105 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@260d436c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:25:05, skipping insertion in model container [2024-11-08 00:25:05,106 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:25:05,106 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:25:04" (2/3) ... [2024-11-08 00:25:05,106 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@260d436c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:25:05, skipping insertion in model container [2024-11-08 00:25:05,106 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:25:05,107 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:05" (3/3) ... [2024-11-08 00:25:05,108 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec0_product05.cil.c [2024-11-08 00:25:05,150 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 00:25:05,150 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 00:25:05,150 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 00:25:05,150 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 00:25:05,150 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 00:25:05,151 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 00:25:05,151 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 00:25:05,151 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 00:25:05,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.5389610389610389) internal successors, (237), 154 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 00:25:05,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2024-11-08 00:25:05,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:25:05,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:25:05,184 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:25:05,184 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-08 00:25:05,184 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 00:25:05,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.5389610389610389) internal successors, (237), 154 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 00:25:05,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2024-11-08 00:25:05,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:25:05,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:25:05,195 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:25:05,195 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-08 00:25:05,200 INFO L745 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true 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(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(9, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(11, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(21, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(30, 16);call #Ultimate.allocInit(9, 17);call #Ultimate.allocInit(25, 18);call #Ultimate.allocInit(4, 19);call write~init~int#1(37, 19, 0, 1);call write~init~int#1(115, 19, 1, 1);call write~init~int#1(10, 19, 2, 1);call write~init~int#1(0, 19, 3, 1);call #Ultimate.allocInit(10, 20);call #Ultimate.allocInit(12, 21);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(18, 23);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~head~0.base, ~head~0.offset := 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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_#t~nondet12#1;main_~retValue_acc~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 123#select_features_returnLabel#1true 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; 106#valid_product_returnLabel#1true main_#t~ret13#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~41#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 115#L181true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;havoc setup_#t~ret9#1, setup_#t~ret10#1, setup_#t~ret11#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_tmp3~0#1.base, setup_~__cil_tmp3~0#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_tmp3~0#1.base, setup_~__cil_tmp3~0#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; 103#L2263true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 58#L2269-2true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 126#setup_bob_returnLabel#1true 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 := 4, 0;havoc setup_#t~ret9#1;havoc setup_#t~ret9#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; 150#L2263-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 85#L2269-5true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 119#setup_rjh_returnLabel#1true 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 := 5, 0;havoc setup_#t~ret10#1;havoc setup_#t~ret10#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; 143#L2263-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 25#L2269-8true havoc setClientId_~handle#1, setClientId_~value#1;havoc setClientId_#in~handle#1, setClientId_#in~value#1;assume { :end_inline_setClientId } true; 46#setup_chuck_returnLabel#1true havoc setup_chuck_~chuck___0#1;havoc setup_chuck_#in~chuck___0#1;assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset := 6, 0;havoc setup_#t~ret11#1;havoc setup_#t~ret11#1; 82#setup_returnLabel#1true havoc setup_#t~ret9#1, setup_#t~ret10#1, setup_#t~ret11#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_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset;assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, 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_~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~2#1, test_~tmp___0~1#1, test_~tmp___1~1#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~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#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; 76#L376-1true [2024-11-08 00:25:05,203 INFO L747 eck$LassoCheckResult]: Loop: 76#L376-1true assume !false; 60#L252true assume test_~splverifierCounter~0#1 < 4; 102#L253true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 81#L259true assume 0 == test_~op1~0#1;havoc test_#t~nondet14#1;test_~tmp___9~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 145#L263true assume 0 != test_~tmp___9~0#1;test_~op1~0#1 := 1; 76#L376-1true [2024-11-08 00:25:05,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:25:05,207 INFO L85 PathProgramCache]: Analyzing trace with hash -546462003, now seen corresponding path program 1 times [2024-11-08 00:25:05,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:25:05,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359459390] [2024-11-08 00:25:05,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:25:05,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:25:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:25:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 00:25:05,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 00:25:05,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359459390] [2024-11-08 00:25:05,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359459390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 00:25:05,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 00:25:05,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 00:25:05,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585396852] [2024-11-08 00:25:05,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 00:25:05,613 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 00:25:05,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:25:05,615 INFO L85 PathProgramCache]: Analyzing trace with hash 107009368, now seen corresponding path program 1 times [2024-11-08 00:25:05,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:25:05,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883039165] [2024-11-08 00:25:05,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:25:05,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:25:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:25:05,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:25:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:25:05,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:25:05,743 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 00:25:05,744 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 00:25:05,744 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 00:25:05,744 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 00:25:05,744 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 00:25:05,744 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:25:05,744 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 00:25:05,744 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 00:25:05,744 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2024-11-08 00:25:05,744 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 00:25:05,744 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 00:25:05,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:25:05,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:25:05,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:25:05,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:25:05,832 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 00:25:05,833 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 00:25:05,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:25:05,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:25:05,840 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) [2024-11-08 00:25:05,846 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 [2024-11-08 00:25:05,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 00:25:05,847 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:25:05,881 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 [2024-11-08 00:25:05,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:25:05,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:25:05,885 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) [2024-11-08 00:25:05,900 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 [2024-11-08 00:25:05,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 00:25:05,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 00:25:05,939 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 00:25:05,947 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 [2024-11-08 00:25:05,948 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 00:25:05,948 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 00:25:05,948 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 00:25:05,948 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 00:25:05,948 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 00:25:05,948 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:25:05,948 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 00:25:05,948 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 00:25:05,949 INFO L132 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2024-11-08 00:25:05,949 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 00:25:05,949 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 00:25:05,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:25:05,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:25:05,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:25:05,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 00:25:06,011 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 00:25:06,014 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 00:25:06,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:25:06,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:25:06,019 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) [2024-11-08 00:25:06,026 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 [2024-11-08 00:25:06,027 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 [2024-11-08 00:25:06,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 00:25:06,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 00:25:06,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 00:25:06,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 00:25:06,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 00:25:06,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 00:25:06,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 00:25:06,044 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 00:25:06,055 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 [2024-11-08 00:25:06,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:25:06,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:25:06,057 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) [2024-11-08 00:25:06,058 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 [2024-11-08 00:25:06,060 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 [2024-11-08 00:25:06,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 00:25:06,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 00:25:06,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 00:25:06,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 00:25:06,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 00:25:06,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 00:25:06,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 00:25:06,077 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 00:25:06,082 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 00:25:06,084 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 00:25:06,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:25:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:25:06,091 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) [2024-11-08 00:25:06,101 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 [2024-11-08 00:25:06,102 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 00:25:06,102 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 00:25:06,103 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 00:25:06,103 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 [] [2024-11-08 00:25:06,116 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 [2024-11-08 00:25:06,119 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 00:25:06,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:25:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:25:06,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 00:25:06,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 00:25:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:25:06,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 00:25:06,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 00:25:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 00:25:06,353 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 00:25:06,356 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 155 states, 154 states have (on average 1.5389610389610389) internal successors, (237), 154 states have internal predecessors, (237), 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 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 00:25:06,479 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 155 states, 154 states have (on average 1.5389610389610389) internal successors, (237), 154 states have internal predecessors, (237), 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 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 484 states and 726 transitions. Complement of second has 8 states. [2024-11-08 00:25:06,482 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 [2024-11-08 00:25:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-08 00:25:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 00:25:06,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 381 transitions. [2024-11-08 00:25:06,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 381 transitions. Stem has 16 letters. Loop has 5 letters. [2024-11-08 00:25:06,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:25:06,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 381 transitions. Stem has 21 letters. Loop has 5 letters. [2024-11-08 00:25:06,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:25:06,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 381 transitions. Stem has 16 letters. Loop has 10 letters. [2024-11-08 00:25:06,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 00:25:06,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 484 states and 726 transitions. [2024-11-08 00:25:06,508 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 00:25:06,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 484 states to 0 states and 0 transitions. [2024-11-08 00:25:06,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 00:25:06,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 00:25:06,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 00:25:06,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 00:25:06,511 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:25:06,511 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:25:06,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 00:25:06,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 00:25:06,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 00:25:06,514 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) [2024-11-08 00:25:06,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 00:25:06,515 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-08 00:25:06,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-08 00:25:06,516 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 00:25:06,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 00:25:06,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 00:25:06,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 00:25:06,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 00:25:06,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 00:25:06,516 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:25:06,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:25:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 00:25:06,517 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 00:25:06,517 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 00:25:06,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 00:25:06,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 00:25:06,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 00:25:06,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 12:25:06 BoogieIcfgContainer [2024-11-08 00:25:06,524 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 00:25:06,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 00:25:06,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 00:25:06,525 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 00:25:06,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:25:05" (3/4) ... [2024-11-08 00:25:06,527 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 00:25:06,527 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 00:25:06,528 INFO L158 Benchmark]: Toolchain (without parser) took 2972.88ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 61.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-08 00:25:06,528 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:25:06,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.83ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 40.6MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 00:25:06,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.46ms. Allocated memory is still 100.7MB. Free memory was 40.5MB in the beginning and 72.5MB in the end (delta: -32.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-08 00:25:06,529 INFO L158 Benchmark]: Boogie Preprocessor took 62.92ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 68.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:25:06,529 INFO L158 Benchmark]: RCFGBuilder took 841.85ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 61.7MB in the end (delta: 6.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-08 00:25:06,529 INFO L158 Benchmark]: BuchiAutomizer took 1423.23ms. Allocated memory is still 100.7MB. Free memory was 61.7MB in the beginning and 61.1MB in the end (delta: 529.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:25:06,530 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 12.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:25:06,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.83ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 40.6MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.46ms. Allocated memory is still 100.7MB. Free memory was 40.5MB in the beginning and 72.5MB in the end (delta: -32.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.92ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 68.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 841.85ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 61.7MB in the end (delta: 6.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1423.23ms. Allocated memory is still 100.7MB. Free memory was 61.7MB in the beginning and 61.1MB in the end (delta: 529.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 12.2kB). 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,"Test.i","") [48] - GenericResultAtLocation [Line: 202]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [202] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [211] - GenericResultAtLocation [Line: 403]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [403] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [815] - GenericResultAtLocation [Line: 1181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1181] - GenericResultAtLocation [Line: 1201]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1201] - GenericResultAtLocation [Line: 2279]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2279] - GenericResultAtLocation [Line: 2435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2435] - GenericResultAtLocation [Line: 2452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2452] - GenericResultAtLocation [Line: 2515]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2515] * 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 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 225 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 224 mSDsluCounter, 606 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 226 mSDtfsCounter, 10 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: 29ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 00:25:06,553 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