./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product43.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 a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 .................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:52:05,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:52:05,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:52:05,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:52:05,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:52:05,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:52:05,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:52:05,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:52:05,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:52:05,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:52:05,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:52:05,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:52:05,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:52:05,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:52:05,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:52:05,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:52:05,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:52:05,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:52:05,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:52:05,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:52:05,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:52:05,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:52:05,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:52:05,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:52:05,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:52:05,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:52:05,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:52:05,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:52:05,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:52:05,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:52:05,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:52:05,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:52:05,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:52:05,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:52:05,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:52:05,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:52:05,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:52:05,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:52:05,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:52:05,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:52:05,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:52:05,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:52:05,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:52:05,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:52:05,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:52:05,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:52:05,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:52:05,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:52:05,582 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:52:05,582 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:52:05,582 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:52:05,582 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:52:05,583 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:52:05,583 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:52:05,583 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:52:05,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:52:05,584 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:52:05,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:52:05,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:52:05,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:52:05,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:52:05,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:52:05,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:52:05,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:52:05,585 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:52:05,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:52:05,585 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:52:05,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:52:05,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:52:05,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:52:05,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:52:05,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:52:05,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:52:05,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:52:05,587 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:52:05,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a285a3ca3b1510caf096d0e38f1e6e56ffc456f4 [2021-08-31 03:52:05,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:52:05,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:52:05,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:52:05,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:52:05,897 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:52:05,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2021-08-31 03:52:05,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87601eb1/b6aef9aac2e64ca482f2ded17d8f8e25/FLAG39bbbc39e [2021-08-31 03:52:06,400 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:52:06,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2021-08-31 03:52:06,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87601eb1/b6aef9aac2e64ca482f2ded17d8f8e25/FLAG39bbbc39e [2021-08-31 03:52:06,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a87601eb1/b6aef9aac2e64ca482f2ded17d8f8e25 [2021-08-31 03:52:06,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:52:06,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:52:06,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:52:06,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:52:06,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:52:06,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:52:06" (1/1) ... [2021-08-31 03:52:06,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241a232d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:06, skipping insertion in model container [2021-08-31 03:52:06,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:52:06" (1/1) ... [2021-08-31 03:52:06,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:52:06,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:52:07,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18079,18092] [2021-08-31 03:52:07,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:52:07,102 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:52:07,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18079,18092] [2021-08-31 03:52:07,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:52:07,208 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:52:07,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07 WrapperNode [2021-08-31 03:52:07,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:52:07,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:52:07,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:52:07,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:52:07,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:52:07,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:52:07,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:52:07,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:52:07,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:52:07,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:52:07,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:52:07,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:52:07,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (1/1) ... [2021-08-31 03:52:07,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:52:07,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:52:07,312 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 03:52:07,316 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 03:52:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:52:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:52:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:52:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:52:07,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:52:07,952 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-08-31 03:52:07,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:52:07 BoogieIcfgContainer [2021-08-31 03:52:07,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:52:07,954 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:52:07,954 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:52:07,957 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:52:07,957 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:52:07,957 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:52:06" (1/3) ... [2021-08-31 03:52:07,958 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7add87b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:52:07, skipping insertion in model container [2021-08-31 03:52:07,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:52:07,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:52:07" (2/3) ... [2021-08-31 03:52:07,959 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7add87b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:52:07, skipping insertion in model container [2021-08-31 03:52:07,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:52:07,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:52:07" (3/3) ... [2021-08-31 03:52:07,960 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2021-08-31 03:52:07,993 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:52:07,994 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:52:07,994 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:52:07,994 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:52:07,994 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:52:07,994 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:52:07,994 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:52:07,995 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:52:08,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 89 states have internal predecessors, (136), 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 03:52:08,031 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2021-08-31 03:52:08,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:52:08,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:52:08,038 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,039 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,039 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:52:08,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 89 states have internal predecessors, (136), 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 03:52:08,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2021-08-31 03:52:08,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:52:08,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:52:08,053 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,053 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:08,066 INFO L791 eck$LassoCheckResult]: Stem: 70#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 52#L-1true havoc main_#res;havoc main_#t~ret52, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 30#L635true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 43#L643true main_#t~ret52 := valid_product_#res;main_~tmp~3 := main_#t~ret52;havoc main_#t~ret52; 81#L599true assume 0 != main_~tmp~3; 51#L570true ~methAndRunningLastTime~0 := 0; 36#L656true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, 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; 42#L667-1true [2021-08-31 03:52:08,067 INFO L793 eck$LassoCheckResult]: Loop: 42#L667-1true assume !false; 74#L701true assume test_~splverifierCounter~0 < 4; 33#L702true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 4#L710true assume !(0 != test_~tmp~5); 90#L710-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 39#L720true assume !(0 != test_~tmp___0~1); 60#L720-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 75#L730true assume 0 != test_~tmp___2~0; 89#L736-1true assume !(0 != ~pumpRunning~0); 11#L766true assume !(0 != ~systemActive~0); 65#L773true havoc __utac_acc__Specification2_spec__2_#t~ret54, __utac_acc__Specification2_spec__2_#t~ret55, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 46#L92-1true __utac_acc__Specification2_spec__2_#t~ret54 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret54;havoc __utac_acc__Specification2_spec__2_#t~ret54; 49#L667true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 42#L667-1true [2021-08-31 03:52:08,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:08,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 03:52:08,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:08,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024301366] [2021-08-31 03:52:08,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:08,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:08,315 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:08,454 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:08,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:08,456 INFO L82 PathProgramCache]: Analyzing trace with hash 11680531, now seen corresponding path program 1 times [2021-08-31 03:52:08,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:08,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926707146] [2021-08-31 03:52:08,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:08,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:08,473 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:08,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:08,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:08,488 INFO L82 PathProgramCache]: Analyzing trace with hash 844977037, now seen corresponding path program 1 times [2021-08-31 03:52:08,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:08,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729006607] [2021-08-31 03:52:08,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:08,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:52:08,626 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 03:52:08,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:52:08,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729006607] [2021-08-31 03:52:08,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729006607] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:52:08,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:52:08,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:52:08,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813209013] [2021-08-31 03:52:08,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:52:08,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:52:08,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:52:08,770 INFO L87 Difference]: Start difference. First operand has 90 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 89 states have internal predecessors, (136), 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 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 03:52:09,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:52:09,566 INFO L93 Difference]: Finished difference Result 226 states and 319 transitions. [2021-08-31 03:52:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 03:52:09,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 319 transitions. [2021-08-31 03:52:09,576 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 143 [2021-08-31 03:52:09,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 205 states and 298 transitions. [2021-08-31 03:52:09,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 205 [2021-08-31 03:52:09,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 205 [2021-08-31 03:52:09,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 298 transitions. [2021-08-31 03:52:09,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:52:09,599 INFO L681 BuchiCegarLoop]: Abstraction has 205 states and 298 transitions. [2021-08-31 03:52:09,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 298 transitions. [2021-08-31 03:52:09,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 127. [2021-08-31 03:52:09,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 1.4488188976377954) internal successors, (184), 126 states have internal predecessors, (184), 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 03:52:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 184 transitions. [2021-08-31 03:52:09,632 INFO L704 BuchiCegarLoop]: Abstraction has 127 states and 184 transitions. [2021-08-31 03:52:09,632 INFO L587 BuchiCegarLoop]: Abstraction has 127 states and 184 transitions. [2021-08-31 03:52:09,632 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:52:09,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states and 184 transitions. [2021-08-31 03:52:09,634 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2021-08-31 03:52:09,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:52:09,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:52:09,634 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:09,634 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:09,635 INFO L791 eck$LassoCheckResult]: Stem: 411#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 399#L-1 havoc main_#res;havoc main_#t~ret52, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 373#L635 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 374#L643 main_#t~ret52 := valid_product_#res;main_~tmp~3 := main_#t~ret52;havoc main_#t~ret52; 389#L599 assume 0 != main_~tmp~3; 398#L570 ~methAndRunningLastTime~0 := 0; 380#L656 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, 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; 381#L667-1 [2021-08-31 03:52:09,635 INFO L793 eck$LassoCheckResult]: Loop: 381#L667-1 assume !false; 388#L701 assume test_~splverifierCounter~0 < 4; 377#L702 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 334#L710 assume !(0 != test_~tmp~5); 336#L710-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 384#L720 assume !(0 != test_~tmp___0~1); 386#L720-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 406#L730 assume 0 != test_~tmp___2~0; 392#L736-1 assume !(0 != ~pumpRunning~0); 342#L766 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 343#L798 assume !(0 == ~pumpRunning~0); 408#L773 havoc __utac_acc__Specification2_spec__2_#t~ret54, __utac_acc__Specification2_spec__2_#t~ret55, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 393#L92-1 __utac_acc__Specification2_spec__2_#t~ret54 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret54;havoc __utac_acc__Specification2_spec__2_#t~ret54; 394#L667 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 381#L667-1 [2021-08-31 03:52:09,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:09,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 03:52:09,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:09,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835688165] [2021-08-31 03:52:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:09,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,673 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:09,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:09,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:09,713 INFO L82 PathProgramCache]: Analyzing trace with hash 320327041, now seen corresponding path program 1 times [2021-08-31 03:52:09,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:09,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667805035] [2021-08-31 03:52:09,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:09,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:52:09,726 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 03:52:09,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:52:09,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667805035] [2021-08-31 03:52:09,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667805035] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:52:09,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:52:09,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:52:09,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549296504] [2021-08-31 03:52:09,727 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:52:09,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:52:09,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:52:09,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:52:09,728 INFO L87 Difference]: Start difference. First operand 127 states and 184 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 03:52:09,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:52:09,953 INFO L93 Difference]: Finished difference Result 169 states and 233 transitions. [2021-08-31 03:52:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:52:09,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 233 transitions. [2021-08-31 03:52:09,956 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2021-08-31 03:52:09,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 233 transitions. [2021-08-31 03:52:09,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2021-08-31 03:52:09,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2021-08-31 03:52:09,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 233 transitions. [2021-08-31 03:52:09,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:52:09,958 INFO L681 BuchiCegarLoop]: Abstraction has 169 states and 233 transitions. [2021-08-31 03:52:09,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 233 transitions. [2021-08-31 03:52:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2021-08-31 03:52:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 169 states have (on average 1.378698224852071) internal successors, (233), 168 states have internal predecessors, (233), 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 03:52:09,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 233 transitions. [2021-08-31 03:52:09,973 INFO L704 BuchiCegarLoop]: Abstraction has 169 states and 233 transitions. [2021-08-31 03:52:09,973 INFO L587 BuchiCegarLoop]: Abstraction has 169 states and 233 transitions. [2021-08-31 03:52:09,973 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:52:09,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 233 transitions. [2021-08-31 03:52:09,975 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2021-08-31 03:52:09,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:52:09,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:52:09,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:09,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:52:09,976 INFO L791 eck$LassoCheckResult]: Stem: 719#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 707#L-1 havoc main_#res;havoc main_#t~ret52, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 678#L635 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 679#L643 main_#t~ret52 := valid_product_#res;main_~tmp~3 := main_#t~ret52;havoc main_#t~ret52; 693#L599 assume 0 != main_~tmp~3; 703#L570 ~methAndRunningLastTime~0 := 0; 684#L656 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, 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; 685#L667-1 [2021-08-31 03:52:09,976 INFO L793 eck$LassoCheckResult]: Loop: 685#L667-1 assume !false; 692#L701 assume test_~splverifierCounter~0 < 4; 681#L702 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 638#L710 assume !(0 != test_~tmp~5); 640#L710-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 688#L720 assume !(0 != test_~tmp___0~1); 690#L720-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 714#L730 assume 0 != test_~tmp___2~0; 731#L736-1 assume !(0 != ~pumpRunning~0); 645#L766 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 646#L798 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret79, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 715#L132 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 727#L137 isHighWaterLevel_#t~ret79 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret79;havoc isHighWaterLevel_#t~ret79; 667#L918 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 668#L918-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 673#L924 processEnvironment_#t~ret60 := isHighWaterLevel_#res;processEnvironment_~tmp~6 := processEnvironment_#t~ret60;havoc processEnvironment_#t~ret60; 674#L802 assume !(0 != processEnvironment_~tmp~6); 720#L773 havoc __utac_acc__Specification2_spec__2_#t~ret54, __utac_acc__Specification2_spec__2_#t~ret55, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 781#L92-1 __utac_acc__Specification2_spec__2_#t~ret54 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret54;havoc __utac_acc__Specification2_spec__2_#t~ret54; 779#L667 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 685#L667-1 [2021-08-31 03:52:09,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:09,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-08-31 03:52:09,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:09,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146666567] [2021-08-31 03:52:09,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:09,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:10,003 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:10,072 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:10,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:10,073 INFO L82 PathProgramCache]: Analyzing trace with hash 333870637, now seen corresponding path program 1 times [2021-08-31 03:52:10,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:10,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636131251] [2021-08-31 03:52:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:10,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:10,083 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:10,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:10,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:52:10,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1499447411, now seen corresponding path program 1 times [2021-08-31 03:52:10,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:52:10,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659624974] [2021-08-31 03:52:10,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:52:10,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:52:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:10,144 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:52:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:52:10,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:48,936 WARN L210 SmtUtils]: Spent 38.55s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 03:53:28,379 WARN L210 SmtUtils]: Spent 19.22s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 03:53:28,451 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 03:53:28,459 INFO L158 Benchmark]: Toolchain (without parser) took 81668.85ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 38.2MB in the beginning and 29.1MB in the end (delta: 9.1MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2021-08-31 03:53:28,460 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 59.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:53:28,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.10ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 36.3MB in the end (delta: 1.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-31 03:53:28,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.30ms. Allocated memory is still 60.8MB. Free memory was 36.3MB in the beginning and 33.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:53:28,462 INFO L158 Benchmark]: Boogie Preprocessor took 29.33ms. Allocated memory is still 60.8MB. Free memory was 33.3MB in the beginning and 31.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:53:28,462 INFO L158 Benchmark]: RCFGBuilder took 667.16ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.0MB in the beginning and 44.2MB in the end (delta: -13.1MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-08-31 03:53:28,463 INFO L158 Benchmark]: BuchiAutomizer took 80504.53ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 29.1MB in the end (delta: 14.8MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2021-08-31 03:53:28,466 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 60.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 59.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.10ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 36.3MB in the end (delta: 1.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.30ms. Allocated memory is still 60.8MB. Free memory was 36.3MB in the beginning and 33.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.33ms. Allocated memory is still 60.8MB. Free memory was 33.3MB in the beginning and 31.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 667.16ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.0MB in the beginning and 44.2MB in the end (delta: -13.1MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 80504.53ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 29.1MB in the end (delta: 14.8MB). Peak memory consumption was 58.8MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 169 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 03:53:28,502 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...