./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.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/product-lines/minepump_spec2_productSimulator.cil.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 68cd1f850011693bbaeee4c1a646df481d01e204 ............................................................................................................................................................................................................................................................................................................................................ 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 03:54:19,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:54:19,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:54:19,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:54:19,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:54:19,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:54:19,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:54:19,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:54:19,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:54:19,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:54:19,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:54:19,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:54:19,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:54:19,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:54:19,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:54:19,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:54:19,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:54:19,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:54:19,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:54:19,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:54:19,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:54:19,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:54:19,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:54:19,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:54:19,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:54:19,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:54:19,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:54:19,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:54:19,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:54:19,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:54:19,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:54:19,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:54:19,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:54:19,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:54:19,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:54:19,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:54:19,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:54:19,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:54:19,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:54:19,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:54:19,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:54:19,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:54:19,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:54:19,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:54:19,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:54:19,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:54:19,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:54:19,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:54:19,131 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:54:19,131 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:54:19,131 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:54:19,131 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:54:19,132 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:54:19,132 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:54:19,132 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:54:19,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:54:19,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:54:19,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:54:19,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:54:19,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:54:19,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:54:19,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:54:19,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:54:19,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:54:19,138 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:54:19,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:54:19,139 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:54:19,139 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:54:19,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:54:19,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:54:19,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:54:19,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:54:19,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:54:19,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:54:19,142 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:54:19,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd1f850011693bbaeee4c1a646df481d01e204 [2021-08-31 03:54:19,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:54:19,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:54:19,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:54:19,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:54:19,422 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:54:19,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2021-08-31 03:54:19,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4d022d4/c4233ab5af5c4923a6bbf4295c59e23c/FLAG2c6e99faa [2021-08-31 03:54:19,818 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:54:19,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2021-08-31 03:54:19,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4d022d4/c4233ab5af5c4923a6bbf4295c59e23c/FLAG2c6e99faa [2021-08-31 03:54:20,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4d022d4/c4233ab5af5c4923a6bbf4295c59e23c [2021-08-31 03:54:20,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:54:20,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:54:20,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:54:20,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:54:20,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:54:20,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475a7329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20, skipping insertion in model container [2021-08-31 03:54:20,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:54:20,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:54:20,479 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/product-lines/minepump_spec2_productSimulator.cil.c[20512,20525] [2021-08-31 03:54:20,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:54:20,487 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:54:20,544 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/product-lines/minepump_spec2_productSimulator.cil.c[20512,20525] [2021-08-31 03:54:20,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:54:20,561 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:54:20,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20 WrapperNode [2021-08-31 03:54:20,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:54:20,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:54:20,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:54:20,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:54:20,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:54:20,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:54:20,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:54:20,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:54:20,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:54:20,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:54:20,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:54:20,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:54:20,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (1/1) ... [2021-08-31 03:54:20,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:54:20,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:54:20,781 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 03:54:20,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:54:20,808 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 03:54:20,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:54:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:54:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:54:21,375 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:54:21,380 INFO L299 CfgBuilder]: Removed 902 assume(true) statements. [2021-08-31 03:54:21,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:54:21 BoogieIcfgContainer [2021-08-31 03:54:21,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:54:21,384 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:54:21,384 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:54:21,387 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:54:21,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:21,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:54:20" (1/3) ... [2021-08-31 03:54:21,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c803a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:54:21, skipping insertion in model container [2021-08-31 03:54:21,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:21,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:20" (2/3) ... [2021-08-31 03:54:21,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c803a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:54:21, skipping insertion in model container [2021-08-31 03:54:21,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:21,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:54:21" (3/3) ... [2021-08-31 03:54:21,390 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2021-08-31 03:54:21,420 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:54:21,421 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:54:21,421 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:54:21,421 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:54:21,421 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:54:21,421 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:54:21,421 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:54:21,421 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:54:21,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 471 states, 470 states have (on average 1.5702127659574467) internal successors, (738), 470 states have internal predecessors, (738), 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 03:54:21,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 307 [2021-08-31 03:54:21,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:21,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:21,478 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:21,478 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:21,478 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:54:21,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 471 states, 470 states have (on average 1.5702127659574467) internal successors, (738), 470 states have internal predecessors, (738), 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 03:54:21,494 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 307 [2021-08-31 03:54:21,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:21,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:21,497 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:21,498 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:21,507 INFO L791 eck$LassoCheckResult]: Stem: 459#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(80, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(117, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(109, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(112, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(32, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 397#L-1true havoc main_#res;havoc main_#t~ret40, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 196#L1126true havoc select_features_#t~ret83, select_features_#t~ret84, select_features_#t~ret85, select_features_#t~ret86, select_features_#t~ret87, select_features_#t~ret88;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 75#L1101true select_features_#t~ret83 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret83;havoc select_features_#t~ret83;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 398#L1101-1true select_features_#t~ret84 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret84;havoc select_features_#t~ret84;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 366#L1101-2true select_features_#t~ret85 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret85;havoc select_features_#t~ret85;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 219#L1101-3true select_features_#t~ret86 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret86;havoc select_features_#t~ret86;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 41#L1101-4true select_features_#t~ret87 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret87;havoc select_features_#t~ret87;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 70#L1101-5true select_features_#t~ret88 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret88;havoc select_features_#t~ret88; 14#L1118true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~13; 73#L1134true main_#t~ret40 := valid_product_#res;main_~tmp~6 := main_#t~ret40;havoc main_#t~ret40; 311#L588true assume 0 != main_~tmp~6; 160#L559true ~methAndRunningLastTime~0 := 0; 419#L686true havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 244#L697-1true [2021-08-31 03:54:21,508 INFO L793 eck$LassoCheckResult]: Loop: 244#L697-1true assume !false; 31#L613true assume test_~splverifierCounter~0 < 4; 157#L614true test_~tmp~7 := test_#t~nondet41;havoc test_#t~nondet41; 445#L622true assume !(0 != test_~tmp~7); 263#L622-1true test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 384#L632true assume !(0 != test_~tmp___0~2); 252#L632-1true test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 38#L642true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet44;havoc test_#t~nondet44; 101#L654true assume !(0 != test_~tmp___1~0); 34#L654-1true assume !(0 != ~pumpRunning~0); 161#L176true assume !(0 != ~systemActive~0); 23#L183true havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 388#L101-10true __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; 144#L697true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 244#L697-1true [2021-08-31 03:54:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:21,513 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2021-08-31 03:54:21,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:21,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474644983] [2021-08-31 03:54:21,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:21,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:21,681 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:21,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:21,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:21,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1972950414, now seen corresponding path program 1 times [2021-08-31 03:54:21,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:21,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575339732] [2021-08-31 03:54:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:21,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:21,815 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:21,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:21,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:21,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1460081283, now seen corresponding path program 1 times [2021-08-31 03:54:21,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:21,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834032518] [2021-08-31 03:54:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:21,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:54:21,962 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 03:54:21,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:54:21,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834032518] [2021-08-31 03:54:21,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834032518] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:54:21,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:54:21,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-31 03:54:21,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87952551] [2021-08-31 03:54:22,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:54:22,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 03:54:22,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-31 03:54:22,142 INFO L87 Difference]: Start difference. First operand has 471 states, 470 states have (on average 1.5702127659574467) internal successors, (738), 470 states have internal predecessors, (738), 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 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 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 03:54:25,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:54:25,160 INFO L93 Difference]: Finished difference Result 1440 states and 2233 transitions. [2021-08-31 03:54:25,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 03:54:25,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1440 states and 2233 transitions. [2021-08-31 03:54:25,175 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 950 [2021-08-31 03:54:25,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1440 states to 1412 states and 2205 transitions. [2021-08-31 03:54:25,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1412 [2021-08-31 03:54:25,189 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1412 [2021-08-31 03:54:25,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1412 states and 2205 transitions. [2021-08-31 03:54:25,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:54:25,196 INFO L681 BuchiCegarLoop]: Abstraction has 1412 states and 2205 transitions. [2021-08-31 03:54:25,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states and 2205 transitions. [2021-08-31 03:54:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 510. [2021-08-31 03:54:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 510 states have (on average 1.5490196078431373) internal successors, (790), 509 states have internal predecessors, (790), 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 03:54:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 790 transitions. [2021-08-31 03:54:25,249 INFO L704 BuchiCegarLoop]: Abstraction has 510 states and 790 transitions. [2021-08-31 03:54:25,249 INFO L587 BuchiCegarLoop]: Abstraction has 510 states and 790 transitions. [2021-08-31 03:54:25,249 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:54:25,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 510 states and 790 transitions. [2021-08-31 03:54:25,252 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 340 [2021-08-31 03:54:25,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:25,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:25,253 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:25,253 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:25,253 INFO L791 eck$LassoCheckResult]: Stem: 2396#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(80, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(117, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(109, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(112, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(32, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2388#L-1 havoc main_#res;havoc main_#t~ret40, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 2237#L1126 havoc select_features_#t~ret83, select_features_#t~ret84, select_features_#t~ret85, select_features_#t~ret86, select_features_#t~ret87, select_features_#t~ret88;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2064#L1101 select_features_#t~ret83 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret83;havoc select_features_#t~ret83;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2065#L1101-1 select_features_#t~ret84 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret84;havoc select_features_#t~ret84;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2378#L1101-2 select_features_#t~ret85 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret85;havoc select_features_#t~ret85;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2259#L1101-3 select_features_#t~ret86 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret86;havoc select_features_#t~ret86;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2007#L1101-4 select_features_#t~ret87 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret87;havoc select_features_#t~ret87;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2008#L1101-5 select_features_#t~ret88 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret88;havoc select_features_#t~ret88; 1956#L1118 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~13; 1957#L1134 main_#t~ret40 := valid_product_#res;main_~tmp~6 := main_#t~ret40;havoc main_#t~ret40; 2062#L588 assume 0 != main_~tmp~6; 2184#L559 ~methAndRunningLastTime~0 := 0; 2185#L686 havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2148#L697-1 [2021-08-31 03:54:25,254 INFO L793 eck$LassoCheckResult]: Loop: 2148#L697-1 assume !false; 1987#L613 assume test_~splverifierCounter~0 < 4; 1988#L614 test_~tmp~7 := test_#t~nondet41;havoc test_#t~nondet41; 2180#L622 assume !(0 != test_~tmp~7); 2312#L622-1 test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 2313#L632 assume !(0 != test_~tmp___0~2); 2084#L632-1 test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 2002#L642 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet44;havoc test_#t~nondet44; 2003#L654 assume !(0 != test_~tmp___1~0); 1980#L654-1 assume !(0 != ~pumpRunning~0); 1994#L176 assume 0 != ~systemActive~0; 2186#L319 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 2356#L276-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2204#L233-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1970#L183 havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1971#L101-10 __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; 2160#L697 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 2148#L697-1 [2021-08-31 03:54:25,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:25,254 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2021-08-31 03:54:25,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:25,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595486017] [2021-08-31 03:54:25,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:25,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:25,281 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:25,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:25,320 INFO L82 PathProgramCache]: Analyzing trace with hash -414772239, now seen corresponding path program 1 times [2021-08-31 03:54:25,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:25,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935788729] [2021-08-31 03:54:25,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:25,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:25,324 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:25,333 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:25,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:25,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2100805214, now seen corresponding path program 1 times [2021-08-31 03:54:25,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:25,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57013042] [2021-08-31 03:54:25,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:25,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:25,358 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:25,403 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:55:11,443 WARN L210 SmtUtils]: Spent 45.93s on a formula simplification. DAG size of input: 557 DAG size of output: 499 [2021-08-31 03:55:52,994 WARN L210 SmtUtils]: Spent 20.46s on a formula simplification that was a NOOP. DAG size: 446 [2021-08-31 03:55:53,098 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 03:55:53,101 INFO L158 Benchmark]: Toolchain (without parser) took 92873.25ms. Allocated memory was 52.4MB in the beginning and 117.4MB in the end (delta: 65.0MB). Free memory was 28.6MB in the beginning and 45.2MB in the end (delta: -16.6MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2021-08-31 03:55:53,101 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:55:53,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.64ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.4MB in the beginning and 40.3MB in the end (delta: -11.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-08-31 03:55:53,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.40ms. Allocated memory is still 65.0MB. Free memory was 40.3MB in the beginning and 41.9MB in the end (delta: -1.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 03:55:53,102 INFO L158 Benchmark]: Boogie Preprocessor took 77.56ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 34.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 03:55:53,103 INFO L158 Benchmark]: RCFGBuilder took 628.63ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.8MB in the beginning and 40.9MB in the end (delta: -6.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-08-31 03:55:53,103 INFO L158 Benchmark]: BuchiAutomizer took 91715.98ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 40.5MB in the beginning and 45.2MB in the end (delta: -4.6MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-08-31 03:55:53,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.64ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.4MB in the beginning and 40.3MB in the end (delta: -11.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.40ms. Allocated memory is still 65.0MB. Free memory was 40.3MB in the beginning and 41.9MB in the end (delta: -1.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.56ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 34.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 628.63ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.8MB in the beginning and 40.9MB in the end (delta: -6.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 91715.98ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 40.5MB in the beginning and 45.2MB in the end (delta: -4.6MB). Peak memory consumption was 64.7MB. 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 (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 510 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 03:55:53,140 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...