./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product19.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_spec4_product19.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 1a701515fb5a246fd69af11a72b1e3fa96a75d92 ............................................................................................................................................................................................................................................................................................................................................ 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 04:03:29,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:03:29,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:03:29,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:03:29,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:03:29,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:03:29,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:03:29,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:03:29,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:03:29,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:03:29,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:03:29,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:03:29,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:03:29,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:03:29,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:03:29,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:03:29,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:03:29,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:03:29,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:03:29,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:03:29,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:03:29,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:03:29,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:03:29,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:03:29,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:03:29,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:03:29,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:03:29,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:03:29,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:03:29,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:03:29,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:03:29,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:03:29,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:03:29,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:03:29,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:03:29,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:03:29,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:03:29,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:03:29,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:03:29,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:03:29,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:03:29,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:03:29,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:03:29,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:03:29,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:03:29,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:03:29,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:03:29,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:03:29,387 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:03:29,387 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:03:29,387 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:03:29,387 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:03:29,387 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:03:29,387 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:03:29,388 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:03:29,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:03:29,388 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:03:29,388 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:03:29,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:03:29,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:03:29,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:03:29,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:03:29,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:03:29,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:03:29,389 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:03:29,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:03:29,389 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:03:29,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:03:29,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:03:29,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:03:29,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:03:29,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:03:29,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:03:29,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:03:29,391 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:03:29,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a701515fb5a246fd69af11a72b1e3fa96a75d92 [2021-08-31 04:03:29,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:03:29,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:03:29,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:03:29,625 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:03:29,626 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:03:29,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-08-31 04:03:29,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91af33d71/5cce415e4d5941b483eeef50436ba199/FLAG0cc3f9d48 [2021-08-31 04:03:30,110 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:03:30,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-08-31 04:03:30,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91af33d71/5cce415e4d5941b483eeef50436ba199/FLAG0cc3f9d48 [2021-08-31 04:03:30,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91af33d71/5cce415e4d5941b483eeef50436ba199 [2021-08-31 04:03:30,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:03:30,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:03:30,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:03:30,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:03:30,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:03:30,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44bd52b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30, skipping insertion in model container [2021-08-31 04:03:30,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:03:30,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:03:30,346 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_spec4_product19.cil.c[14510,14523] [2021-08-31 04:03:30,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:03:30,364 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:03:30,421 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_spec4_product19.cil.c[14510,14523] [2021-08-31 04:03:30,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:03:30,439 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:03:30,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30 WrapperNode [2021-08-31 04:03:30,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:03:30,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:03:30,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:03:30,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:03:30,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:03:30,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:03:30,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:03:30,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:03:30,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:03:30,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:03:30,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:03:30,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:03:30,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (1/1) ... [2021-08-31 04:03:30,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:03:30,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:03:30,581 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 04:03:30,604 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 04:03:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:03:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:03:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:03:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:03:31,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:03:31,012 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-08-31 04:03:31,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:03:31 BoogieIcfgContainer [2021-08-31 04:03:31,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:03:31,015 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:03:31,015 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:03:31,018 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:03:31,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:03:31,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:03:30" (1/3) ... [2021-08-31 04:03:31,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f8d67b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:03:31, skipping insertion in model container [2021-08-31 04:03:31,020 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:03:31,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:30" (2/3) ... [2021-08-31 04:03:31,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f8d67b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:03:31, skipping insertion in model container [2021-08-31 04:03:31,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:03:31,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:03:31" (3/3) ... [2021-08-31 04:03:31,022 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2021-08-31 04:03:31,064 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:03:31,064 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:03:31,064 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:03:31,064 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:03:31,064 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:03:31,064 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:03:31,065 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:03:31,065 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:03:31,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 04:03:31,087 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 04:03:31,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:03:31,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:03:31,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:03:31,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:03:31,092 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:03:31,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 04:03:31,095 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 04:03:31,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:03:31,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:03:31,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:03:31,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:03:31,100 INFO L791 eck$LassoCheckResult]: Stem: 62#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 46#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 30#L876true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 26#L884true main_#t~ret75 := valid_product_#res;main_~tmp~6 := main_#t~ret75;havoc main_#t~ret75; 43#L840true assume 0 != main_~tmp~6; 24#L814true havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 47#L897-1true [2021-08-31 04:03:31,101 INFO L793 eck$LassoCheckResult]: Loop: 47#L897-1true assume !false; 51#L699true assume test_~splverifierCounter~0 < 4; 66#L700true test_~tmp~5 := test_#t~nondet71;havoc test_#t~nondet71; 15#L708true assume !(0 != test_~tmp~5); 28#L708-1true test_~tmp___0~1 := test_#t~nondet72;havoc test_#t~nondet72; 25#L718true assume !(0 != test_~tmp___0~1); 69#L718-1true test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 71#L728true assume 0 != test_~tmp___2~0; 40#L734-1true assume !(0 != ~pumpRunning~0); 12#L518true assume !(0 != ~systemActive~0); 5#L525true havoc __utac_acc__Specification4_spec__1_#t~ret77, __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 22#L490true __utac_acc__Specification4_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret77;havoc __utac_acc__Specification4_spec__1_#t~ret77; 13#L897true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 47#L897-1true [2021-08-31 04:03:31,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:31,104 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 04:03:31,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:31,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12895798] [2021-08-31 04:03:31,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:31,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:31,270 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:31,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:03:31,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:31,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2021-08-31 04:03:31,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:31,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374544102] [2021-08-31 04:03:31,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:31,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:31,393 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:31,398 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:03:31,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:31,399 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2021-08-31 04:03:31,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:31,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256359587] [2021-08-31 04:03:31,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:31,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:03:31,493 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 04:03:31,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:03:31,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256359587] [2021-08-31 04:03:31,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256359587] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:03:31,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:03:31,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:03:31,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371335928] [2021-08-31 04:03:31,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:03:31,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 04:03:31,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 04:03:31,653 INFO L87 Difference]: Start difference. First operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 04:03:32,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:03:32,225 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2021-08-31 04:03:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:03:32,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2021-08-31 04:03:32,238 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2021-08-31 04:03:32,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2021-08-31 04:03:32,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2021-08-31 04:03:32,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2021-08-31 04:03:32,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2021-08-31 04:03:32,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:03:32,249 INFO L681 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2021-08-31 04:03:32,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2021-08-31 04:03:32,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2021-08-31 04:03:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 107 states have internal predecessors, (153), 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 04:03:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2021-08-31 04:03:32,277 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-08-31 04:03:32,277 INFO L587 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-08-31 04:03:32,278 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:03:32,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2021-08-31 04:03:32,279 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2021-08-31 04:03:32,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:03:32,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:03:32,280 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:03:32,280 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:03:32,280 INFO L791 eck$LassoCheckResult]: Stem: 350#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 335#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 326#L876 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 320#L884 main_#t~ret75 := valid_product_#res;main_~tmp~6 := main_#t~ret75;havoc main_#t~ret75; 321#L840 assume 0 != main_~tmp~6; 316#L814 havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 301#L897-1 [2021-08-31 04:03:32,280 INFO L793 eck$LassoCheckResult]: Loop: 301#L897-1 assume !false; 336#L699 assume test_~splverifierCounter~0 < 4; 339#L700 test_~tmp~5 := test_#t~nondet71;havoc test_#t~nondet71; 303#L708 assume !(0 != test_~tmp~5); 287#L708-1 test_~tmp___0~1 := test_#t~nondet72;havoc test_#t~nondet72; 317#L718 assume !(0 != test_~tmp___0~1); 318#L718-1 test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 351#L728 assume 0 != test_~tmp___2~0; 328#L734-1 assume !(0 != ~pumpRunning~0); 297#L518 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 298#L550 assume !(0 != ~pumpRunning~0); 288#L525 havoc __utac_acc__Specification4_spec__1_#t~ret77, __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 289#L490 __utac_acc__Specification4_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret77;havoc __utac_acc__Specification4_spec__1_#t~ret77; 299#L897 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 301#L897-1 [2021-08-31 04:03:32,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:32,281 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 04:03:32,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:32,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948651692] [2021-08-31 04:03:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:32,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:32,313 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:32,377 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:03:32,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:32,378 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2021-08-31 04:03:32,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:32,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963383445] [2021-08-31 04:03:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:32,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:32,381 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:32,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:03:32,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:32,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2021-08-31 04:03:32,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:32,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455758840] [2021-08-31 04:03:32,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:32,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:32,425 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:32,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:04:10,432 WARN L210 SmtUtils]: Spent 37.87s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 04:04:51,133 WARN L210 SmtUtils]: Spent 19.85s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 04:04:51,229 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 04:04:51,231 INFO L158 Benchmark]: Toolchain (without parser) took 81098.34ms. Allocated memory was 50.3MB in the beginning and 100.7MB in the end (delta: 50.3MB). Free memory was 26.0MB in the beginning and 34.5MB in the end (delta: -8.5MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-08-31 04:04:51,231 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:04:51,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.43ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.8MB in the beginning and 36.4MB in the end (delta: -10.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2021-08-31 04:04:51,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.64ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 33.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:04:51,232 INFO L158 Benchmark]: Boogie Preprocessor took 37.35ms. Allocated memory is still 60.8MB. Free memory was 33.6MB in the beginning and 31.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:04:51,233 INFO L158 Benchmark]: RCFGBuilder took 461.92ms. Allocated memory is still 60.8MB. Free memory was 31.5MB in the beginning and 27.6MB in the end (delta: 3.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-08-31 04:04:51,233 INFO L158 Benchmark]: BuchiAutomizer took 80214.79ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 27.6MB in the beginning and 34.5MB in the end (delta: -6.9MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-08-31 04:04:51,235 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 50.3MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 32.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.43ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.8MB in the beginning and 36.4MB in the end (delta: -10.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.64ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 33.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.35ms. Allocated memory is still 60.8MB. Free memory was 33.6MB in the beginning and 31.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.92ms. Allocated memory is still 60.8MB. Free memory was 31.5MB in the beginning and 27.6MB in the end (delta: 3.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 80214.79ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 27.6MB in the beginning and 34.5MB in the end (delta: -6.9MB). Peak memory consumption was 48.3MB. 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 108 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 04:04:51,280 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...