./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product15.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_spec1_product15.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 b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 .............................................................................................................................................................................................................................................................................................................................................. 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 03:41:29,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:41:29,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:41:29,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:41:29,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:41:29,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:41:29,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:41:29,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:41:29,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:41:29,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:41:29,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:41:29,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:41:29,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:41:29,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:41:29,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:41:29,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:41:29,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:41:29,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:41:29,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:41:29,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:41:29,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:41:29,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:41:29,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:41:29,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:41:29,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:41:29,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:41:29,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:41:29,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:41:29,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:41:29,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:41:29,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:41:29,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:41:29,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:41:29,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:41:29,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:41:29,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:41:29,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:41:29,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:41:29,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:41:29,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:41:29,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:41:29,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:41:29,191 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:41:29,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:41:29,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:41:29,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:41:29,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:41:29,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:41:29,193 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:41:29,193 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:41:29,193 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:41:29,193 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:41:29,193 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:41:29,194 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:41:29,194 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:41:29,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:41:29,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:41:29,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:41:29,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:41:29,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:41:29,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:41:29,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:41:29,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:41:29,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:41:29,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:41:29,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:41:29,196 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:41:29,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:41:29,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:41:29,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:41:29,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:41:29,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:41:29,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:41:29,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:41:29,197 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:41:29,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 [2021-08-31 03:41:29,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:41:29,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:41:29,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:41:29,433 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:41:29,433 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:41:29,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-08-31 03:41:29,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8de8517b/c7d0183386614002baeeb078f40168a8/FLAG442cf405a [2021-08-31 03:41:29,865 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:41:29,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-08-31 03:41:29,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8de8517b/c7d0183386614002baeeb078f40168a8/FLAG442cf405a [2021-08-31 03:41:30,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8de8517b/c7d0183386614002baeeb078f40168a8 [2021-08-31 03:41:30,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:41:30,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:41:30,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:41:30,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:41:30,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:41:30,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2658e6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30, skipping insertion in model container [2021-08-31 03:41:30,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:41:30,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:41:30,428 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_spec1_product15.cil.c[4577,4590] [2021-08-31 03:41:30,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:41:30,519 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:41:30,550 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_spec1_product15.cil.c[4577,4590] [2021-08-31 03:41:30,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:41:30,605 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:41:30,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30 WrapperNode [2021-08-31 03:41:30,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:41:30,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:41:30,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:41:30,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:41:30,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:41:30,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:41:30,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:41:30,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:41:30,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:41:30,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:41:30,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:41:30,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:41:30,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (1/1) ... [2021-08-31 03:41:30,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:41:30,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:41:30,727 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 03:41:30,789 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 03:41:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:41:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:41:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:41:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:41:31,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:41:31,230 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-08-31 03:41:31,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:41:31 BoogieIcfgContainer [2021-08-31 03:41:31,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:41:31,232 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:41:31,232 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:41:31,233 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:41:31,234 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:41:31,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:41:30" (1/3) ... [2021-08-31 03:41:31,234 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@404a9e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:41:31, skipping insertion in model container [2021-08-31 03:41:31,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:41:31,235 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:41:30" (2/3) ... [2021-08-31 03:41:31,235 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@404a9e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:41:31, skipping insertion in model container [2021-08-31 03:41:31,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:41:31,235 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:41:31" (3/3) ... [2021-08-31 03:41:31,236 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2021-08-31 03:41:31,295 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:41:31,295 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:41:31,295 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:41:31,295 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:41:31,295 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:41:31,295 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:41:31,296 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:41:31,296 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:41:31,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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 03:41:31,339 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-08-31 03:41:31,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:41:31,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:41:31,345 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:41:31,345 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:41:31,346 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:41:31,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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 03:41:31,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-08-31 03:41:31,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:41:31,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:41:31,356 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:41:31,356 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:41:31,364 INFO L791 eck$LassoCheckResult]: Stem: 49#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(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(80, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(117, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(109, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(112, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(110, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(32, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);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~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 36#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 48#L252true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 68#L260true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 57#L132true assume 0 != main_~tmp~0; 19#L105true havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 59#L275-1true [2021-08-31 03:41:31,365 INFO L793 eck$LassoCheckResult]: Loop: 59#L275-1true assume !false; 23#L481true assume test_~splverifierCounter~0 < 4; 63#L482true test_~tmp~4 := test_#t~nondet40;havoc test_#t~nondet40; 20#L490true assume !(0 != test_~tmp~4); 66#L490-1true test_~tmp___0~1 := test_#t~nondet41;havoc test_#t~nondet41; 46#L500true assume !(0 != test_~tmp___0~1); 21#L500-1true test_~tmp___2~0 := test_#t~nondet42;havoc test_#t~nondet42; 16#L510true assume 0 != test_~tmp___2~0; 39#L516-1true assume !(0 != ~pumpRunning~0); 64#L312true assume !(0 != ~systemActive~0); 70#L319true havoc __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_#t~ret20, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 29#L193-1true __utac_acc__Specification1_spec__1_#t~ret19 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret19;havoc __utac_acc__Specification1_spec__1_#t~ret19; 37#L275true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 59#L275-1true [2021-08-31 03:41:31,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:31,373 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:41:31,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:31,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568480219] [2021-08-31 03:41:31,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:31,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:31,563 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:41:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:31,675 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:41:31,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:31,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310517, now seen corresponding path program 1 times [2021-08-31 03:41:31,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:31,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899859938] [2021-08-31 03:41:31,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:31,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:31,682 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:41:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:31,692 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:41:31,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:31,695 INFO L82 PathProgramCache]: Analyzing trace with hash 40968421, now seen corresponding path program 1 times [2021-08-31 03:41:31,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:31,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946470990] [2021-08-31 03:41:31,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:31,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:41:31,800 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 03:41:31,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:41:31,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946470990] [2021-08-31 03:41:31,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946470990] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:41:31,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:41:31,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:41:31,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999964394] [2021-08-31 03:41:31,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:41:31,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:41:31,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:41:31,911 INFO L87 Difference]: Start difference. First operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 03:41:32,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:41:32,476 INFO L93 Difference]: Finished difference Result 180 states and 246 transitions. [2021-08-31 03:41:32,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 03:41:32,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 246 transitions. [2021-08-31 03:41:32,489 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 113 [2021-08-31 03:41:32,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 159 states and 225 transitions. [2021-08-31 03:41:32,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2021-08-31 03:41:32,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2021-08-31 03:41:32,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 225 transitions. [2021-08-31 03:41:32,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:41:32,502 INFO L681 BuchiCegarLoop]: Abstraction has 159 states and 225 transitions. [2021-08-31 03:41:32,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 225 transitions. [2021-08-31 03:41:32,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 102. [2021-08-31 03:41:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.411764705882353) internal successors, (144), 101 states have internal predecessors, (144), 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 03:41:32,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2021-08-31 03:41:32,536 INFO L704 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2021-08-31 03:41:32,536 INFO L587 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2021-08-31 03:41:32,536 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:41:32,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 144 transitions. [2021-08-31 03:41:32,538 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 72 [2021-08-31 03:41:32,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:41:32,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:41:32,540 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:41:32,540 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:41:32,540 INFO L791 eck$LassoCheckResult]: Stem: 323#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(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(80, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(117, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(109, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(112, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(110, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(32, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);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~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 313#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 314#L252 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 322#L260 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 326#L132 assume 0 != main_~tmp~0; 294#L105 havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 295#L275-1 [2021-08-31 03:41:32,540 INFO L793 eck$LassoCheckResult]: Loop: 295#L275-1 assume !false; 297#L481 assume test_~splverifierCounter~0 < 4; 298#L482 test_~tmp~4 := test_#t~nondet40;havoc test_#t~nondet40; 296#L490 assume !(0 != test_~tmp~4); 269#L490-1 test_~tmp___0~1 := test_#t~nondet41;havoc test_#t~nondet41; 321#L500 assume !(0 != test_~tmp___0~1); 267#L500-1 test_~tmp___2~0 := test_#t~nondet42;havoc test_#t~nondet42; 290#L510 assume 0 != test_~tmp___2~0; 291#L516-1 assume !(0 != ~pumpRunning~0); 318#L312 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret21, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 301#L344 assume !(0 != ~pumpRunning~0); 303#L319 havoc __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_#t~ret20, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 308#L193-1 __utac_acc__Specification1_spec__1_#t~ret19 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret19;havoc __utac_acc__Specification1_spec__1_#t~ret19; 309#L275 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 295#L275-1 [2021-08-31 03:41:32,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:32,541 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:41:32,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:32,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925039216] [2021-08-31 03:41:32,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:32,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:32,593 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:41:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:32,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:41:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:32,658 INFO L82 PathProgramCache]: Analyzing trace with hash -353546757, now seen corresponding path program 1 times [2021-08-31 03:41:32,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:32,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963807388] [2021-08-31 03:41:32,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:32,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:32,664 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:41:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:32,668 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:41:32,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:41:32,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492769, now seen corresponding path program 1 times [2021-08-31 03:41:32,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:41:32,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396501729] [2021-08-31 03:41:32,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:41:32,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:41:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:32,707 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:41:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:41:32,763 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:11,227 WARN L210 SmtUtils]: Spent 38.39s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:42:50,844 WARN L210 SmtUtils]: Spent 19.06s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:42:50,930 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 03:42:50,932 INFO L158 Benchmark]: Toolchain (without parser) took 80680.38ms. Allocated memory was 48.2MB in the beginning and 86.0MB in the end (delta: 37.7MB). Free memory was 23.7MB in the beginning and 29.8MB in the end (delta: -6.2MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2021-08-31 03:42:50,932 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:42:50,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.74ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.5MB in the beginning and 36.7MB in the end (delta: -13.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-08-31 03:42:50,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.07ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 33.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:42:50,933 INFO L158 Benchmark]: Boogie Preprocessor took 24.04ms. Allocated memory is still 58.7MB. Free memory was 33.7MB in the beginning and 31.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:42:50,933 INFO L158 Benchmark]: RCFGBuilder took 556.94ms. Allocated memory is still 58.7MB. Free memory was 31.6MB in the beginning and 25.8MB in the end (delta: 5.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-08-31 03:42:50,934 INFO L158 Benchmark]: BuchiAutomizer took 79699.42ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 25.8MB in the beginning and 29.8MB in the end (delta: -4.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2021-08-31 03:42:50,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.74ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.5MB in the beginning and 36.7MB in the end (delta: -13.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.07ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 33.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.04ms. Allocated memory is still 58.7MB. Free memory was 33.7MB in the beginning and 31.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.94ms. Allocated memory is still 58.7MB. Free memory was 31.6MB in the beginning and 25.8MB in the end (delta: 5.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 79699.42ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 25.8MB in the beginning and 29.8MB in the end (delta: -4.0MB). Peak memory consumption was 35.6MB. 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 6 locations. The remainder module has 102 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 03:42:50,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...