./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/floats-cdfpl/square_4.i --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/floats-cdfpl/square_4.i -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 903ca868ca7711e93ab2999f02bf985edb50eb0c .................................................................................................................................................................................................................................. 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 02:37:10,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:37:10,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:37:10,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:37:10,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:37:10,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:37:10,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:37:10,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:37:10,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:37:10,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:37:10,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:37:10,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:37:10,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:37:10,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:37:10,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:37:10,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:37:10,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:37:10,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:37:10,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:37:10,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:37:10,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:37:10,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:37:10,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:37:10,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:37:10,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:37:10,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:37:10,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:37:10,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:37:10,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:37:10,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:37:10,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:37:10,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:37:10,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:37:10,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:37:10,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:37:10,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:37:10,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:37:10,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:37:10,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:37:10,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:37:10,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:37:10,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:37:10,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:37:10,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:37:10,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:37:10,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:37:10,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:37:10,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:37:10,679 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:37:10,679 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:37:10,680 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:37:10,680 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:37:10,680 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:37:10,680 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:37:10,681 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:37:10,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:37:10,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:37:10,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:37:10,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:37:10,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:37:10,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:37:10,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:37:10,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:37:10,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:37:10,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:37:10,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:37:10,682 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:37:10,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:37:10,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:37:10,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:37:10,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:37:10,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:37:10,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:37:10,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:37:10,685 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:37:10,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 903ca868ca7711e93ab2999f02bf985edb50eb0c [2021-08-31 02:37:10,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:37:10,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:37:10,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:37:10,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:37:10,927 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:37:10,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_4.i [2021-08-31 02:37:10,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd65b60b/2cd6f49deacc402fbb9e1b70fe4e6741/FLAG43285067b [2021-08-31 02:37:11,285 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:37:11,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_4.i [2021-08-31 02:37:11,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd65b60b/2cd6f49deacc402fbb9e1b70fe4e6741/FLAG43285067b [2021-08-31 02:37:11,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd65b60b/2cd6f49deacc402fbb9e1b70fe4e6741 [2021-08-31 02:37:11,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:37:11,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:37:11,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:37:11,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:37:11,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:37:11,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3424546a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11, skipping insertion in model container [2021-08-31 02:37:11,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:37:11,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:37:11,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_4.i[1131,1144] [2021-08-31 02:37:11,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:37:11,894 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:37:11,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_4.i[1131,1144] [2021-08-31 02:37:11,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:37:11,947 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:37:11,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11 WrapperNode [2021-08-31 02:37:11,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:37:11,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:37:11,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:37:11,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:37:11,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:37:11,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:37:11,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:37:11,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:37:11,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:37:11,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:37:11,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:37:11,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:37:11,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (1/1) ... [2021-08-31 02:37:11,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:37:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:37:12,022 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 02:37:12,057 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 02:37:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:37:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:37:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:37:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:37:12,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:37:12,169 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-31 02:37:12,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:37:12 BoogieIcfgContainer [2021-08-31 02:37:12,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:37:12,171 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:37:12,171 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:37:12,173 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:37:12,174 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:37:12,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:37:11" (1/3) ... [2021-08-31 02:37:12,175 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@429411a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:37:12, skipping insertion in model container [2021-08-31 02:37:12,175 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:37:12,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:37:11" (2/3) ... [2021-08-31 02:37:12,175 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@429411a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:37:12, skipping insertion in model container [2021-08-31 02:37:12,175 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:37:12,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:37:12" (3/3) ... [2021-08-31 02:37:12,176 INFO L389 chiAutomizerObserver]: Analyzing ICFG square_4.i [2021-08-31 02:37:12,221 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:37:12,221 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:37:12,221 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:37:12,221 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:37:12,221 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:37:12,221 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:37:12,221 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:37:12,221 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:37:12,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) [2021-08-31 02:37:12,242 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:37:12,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 02:37:12,244 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 02:37:12,248 INFO L158 Benchmark]: Toolchain (without parser) took 506.31ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 24.7MB in the beginning and 38.8MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:37:12,249 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:37:12,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.74ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 24.5MB in the beginning and 42.8MB in the end (delta: -18.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-08-31 02:37:12,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.04ms. Allocated memory is still 58.7MB. Free memory was 42.8MB in the beginning and 41.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 02:37:12,252 INFO L158 Benchmark]: Boogie Preprocessor took 25.28ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 40.4MB in the end (delta: 930.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:37:12,252 INFO L158 Benchmark]: RCFGBuilder took 177.22ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 32.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 02:37:12,253 INFO L158 Benchmark]: BuchiAutomizer took 74.93ms. Allocated memory is still 58.7MB. Free memory was 32.5MB in the beginning and 38.8MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:37:12,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.74ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 24.5MB in the beginning and 42.8MB in the end (delta: -18.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.04ms. Allocated memory is still 58.7MB. Free memory was 42.8MB in the beginning and 41.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.28ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 40.4MB in the end (delta: 930.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 177.22ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 32.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 74.93ms. Allocated memory is still 58.7MB. Free memory was 32.5MB in the beginning and 38.8MB in the end (delta: -6.3MB). 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 Trivial decomposition. There is no loop in your program. * 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 02:37:12,289 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...