./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memsetNonZero3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety/memsetNonZero3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 6b14dd63832ca953bb678ff696ab3d8598ab5b62 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 05:22:31,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:22:31,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:22:31,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:22:31,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:22:31,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:22:31,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:22:31,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:22:31,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:22:31,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:22:31,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:22:31,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:22:31,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:22:31,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:22:31,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:22:31,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:22:31,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:22:31,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:22:31,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:22:31,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:22:31,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:22:31,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:22:31,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:22:31,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:22:31,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:22:31,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:22:31,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:22:31,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:22:31,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:22:31,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:22:31,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:22:31,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:22:31,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:22:31,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:22:31,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:22:31,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:22:31,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:22:31,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:22:31,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:22:31,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:22:31,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:22:31,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:22:31,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:22:31,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:22:31,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:22:31,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:22:31,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:22:31,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:22:31,467 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:22:31,467 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:22:31,467 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:22:31,467 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:22:31,467 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:22:31,468 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:22:31,468 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:22:31,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:22:31,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:22:31,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:22:31,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:22:31,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:22:31,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:22:31,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:22:31,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:22:31,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:22:31,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:22:31,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:22:31,469 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:22:31,469 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:22:31,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:22:31,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:22:31,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:22:31,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:22:31,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:22:31,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:22:31,471 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:22:31,471 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b14dd63832ca953bb678ff696ab3d8598ab5b62 [2021-08-31 05:22:31,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:22:31,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:22:31,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:22:31,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:22:31,707 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:22:31,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memsetNonZero3.c [2021-08-31 05:22:31,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c6c85b50/e8c464f86ce64449a13846a653c34216/FLAG2c879da5b [2021-08-31 05:22:32,111 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:22:32,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memsetNonZero3.c [2021-08-31 05:22:32,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c6c85b50/e8c464f86ce64449a13846a653c34216/FLAG2c879da5b [2021-08-31 05:22:32,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c6c85b50/e8c464f86ce64449a13846a653c34216 [2021-08-31 05:22:32,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:22:32,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:22:32,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:22:32,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:22:32,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:22:32,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189a9d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32, skipping insertion in model container [2021-08-31 05:22:32,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:22:32,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:22:32,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:22:32,241 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:22:32,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:22:32,257 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:22:32,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32 WrapperNode [2021-08-31 05:22:32,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:22:32,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:22:32,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:22:32,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:22:32,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:22:32,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:22:32,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:22:32,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:22:32,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:22:32,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:22:32,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:22:32,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:22:32,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (1/1) ... [2021-08-31 05:22:32,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:32,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:32,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:32,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 05:22:32,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-31 05:22:32,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-31 05:22:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:22:32,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:22:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:22:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 05:22:32,445 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-31 05:22:32,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:22:32,496 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-31 05:22:32,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:22:32 BoogieIcfgContainer [2021-08-31 05:22:32,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:22:32,499 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:22:32,499 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:22:32,501 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:22:32,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:22:32,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:22:32" (1/3) ... [2021-08-31 05:22:32,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b50b73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:22:32, skipping insertion in model container [2021-08-31 05:22:32,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:22:32,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:32" (2/3) ... [2021-08-31 05:22:32,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b50b73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:22:32, skipping insertion in model container [2021-08-31 05:22:32,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:22:32,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:22:32" (3/3) ... [2021-08-31 05:22:32,504 INFO L389 chiAutomizerObserver]: Analyzing ICFG memsetNonZero3.c [2021-08-31 05:22:32,538 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:22:32,539 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:22:32,539 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:22:32,539 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:22:32,539 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:22:32,539 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:22:32,539 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:22:32,539 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:22:32,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-31 05:22:32,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 05:22:32,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:22:32,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:22:32,569 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:22:32,569 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 05:22:32,569 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 05:22:32,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-31 05:22:32,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 05:22:32,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:22:32,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:22:32,572 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:22:32,572 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 05:22:32,577 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~memset~res3.base, main_#t~memset~res3.offset, main_~#cstats~0.base, main_~#cstats~0.offset, main_~point~0.base, main_~point~0.offset;call main_~#cstats~0.base, main_~#cstats~0.offset := #Ultimate.allocOnStack(80);havoc main_~point~0.base, main_~point~0.offset;main_~point~0.base, main_~point~0.offset := main_~#cstats~0.base, main_~#cstats~0.offset; 9#L29true call main_#t~memset~res3.base, main_#t~memset~res3.offset := #Ultimate.C_memset(main_~point~0.base, main_~point~0.offset, 10, 80);< 8##Ultimate.C_memsetENTRYtrue assume 1 == #valid[#ptr.base];assume #amount + #ptr.offset <= #length[#ptr.base] && 0 <= #ptr.offset; 7#$Ultimate##0true #t~loopctr5 := 0; 4#L-1-1true [2021-08-31 05:22:32,578 INFO L793 eck$LassoCheckResult]: Loop: 4#L-1-1true assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5; 4#L-1-1true [2021-08-31 05:22:32,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:22:32,583 INFO L82 PathProgramCache]: Analyzing trace with hash 37284879, now seen corresponding path program 1 times [2021-08-31 05:22:32,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:22:32,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216957131] [2021-08-31 05:22:32,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:22:32,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:22:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:32,673 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:22:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:32,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:22:32,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:22:32,714 INFO L82 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2021-08-31 05:22:32,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:22:32,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920265817] [2021-08-31 05:22:32,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:22:32,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:22:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:32,723 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:22:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:32,733 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:22:32,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:22:32,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1155831254, now seen corresponding path program 1 times [2021-08-31 05:22:32,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:22:32,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567807405] [2021-08-31 05:22:32,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:22:32,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:22:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:32,756 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:22:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:32,779 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:22:32,862 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:22:32,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:22:32,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:22:32,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:22:32,869 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 05:22:32,869 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:32,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:22:32,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:22:32,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: memsetNonZero3.c_Iteration1_Loop [2021-08-31 05:22:32,870 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:22:32,870 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:22:32,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:22:32,929 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:22:32,929 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 05:22:32,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:32,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:32,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:32,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 05:22:32,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 05:22:32,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 05:22:32,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 05:22:32,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:32,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:32,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:32,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 05:22:32,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 05:22:32,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 05:22:33,095 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 05:22:33,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 05:22:33,098 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:22:33,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:22:33,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:22:33,098 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:22:33,098 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:22:33,098 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:33,098 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:22:33,099 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:22:33,099 INFO L133 ssoRankerPreferences]: Filename of dumped script: memsetNonZero3.c_Iteration1_Loop [2021-08-31 05:22:33,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:22:33,099 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:22:33,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:22:33,118 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:22:33,123 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:22:33,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:33,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:33,137 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 [2021-08-31 05:22:33,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:22:33,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:22:33,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:22:33,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:22:33,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:22:33,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:22:33,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:22:33,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 05:22:33,165 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:22:33,173 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-08-31 05:22:33,173 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-08-31 05:22:33,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:33,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:33,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:33,189 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:22:33,189 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 05:22:33,190 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:22:33,190 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memset_#t~loopctr5, #Ultimate.C_memset_#amount) = -1*#Ultimate.C_memset_#t~loopctr5 + 1*#Ultimate.C_memset_#amount Supporting invariants [] [2021-08-31 05:22:33,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 05:22:33,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 05:22:33,210 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 05:22:33,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:22:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:22:33,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:22:33,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:22:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:22:33,303 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:22:33,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:22:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:22:33,327 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-31 05:22:33,328 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:22:33,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 05:22:33,391 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 17 transitions. Complement of second has 6 states. [2021-08-31 05:22:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 05:22:33,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:22:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-08-31 05:22:33,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2021-08-31 05:22:33,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:22:33,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2021-08-31 05:22:33,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:22:33,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-31 05:22:33,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:22:33,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-08-31 05:22:33,403 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:22:33,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-08-31 05:22:33,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 05:22:33,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 05:22:33,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 05:22:33,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:22:33,405 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:22:33,405 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:22:33,406 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:22:33,406 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 05:22:33,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 05:22:33,406 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:22:33,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:22:33,408 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 05:22:33,412 INFO L158 Benchmark]: Toolchain (without parser) took 1279.07ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 32.7MB in the beginning and 46.6MB in the end (delta: -13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:22:33,413 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:22:33,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 124.58ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 23.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 05:22:33,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.78ms. Allocated memory is still 54.5MB. Free memory was 23.8MB in the beginning and 37.2MB in the end (delta: -13.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 05:22:33,414 INFO L158 Benchmark]: Boogie Preprocessor took 10.68ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 36.4MB in the end (delta: 895.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:22:33,416 INFO L158 Benchmark]: RCFGBuilder took 190.84ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 28.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 05:22:33,416 INFO L158 Benchmark]: BuchiAutomizer took 910.65ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 28.4MB in the beginning and 46.6MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:22:33,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 124.58ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 23.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.78ms. Allocated memory is still 54.5MB. Free memory was 23.8MB in the beginning and 37.2MB in the end (delta: -13.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 10.68ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 36.4MB in the end (delta: 895.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 190.84ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 28.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 910.65ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 28.4MB in the beginning and 46.6MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr5-aux + unknown-#amount-unknown and consists of 3 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 05:22:33,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...