./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product46.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 509af06f1a7d0e447633255d4acb572bd82e2db9 .............................................................................................................................................................................................................................................................................................................................................................................................. 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 03:45:10,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:45:10,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:45:10,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:45:10,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:45:10,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:45:10,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:45:10,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:45:10,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:45:10,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:45:10,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:45:10,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:45:10,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:45:10,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:45:10,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:45:10,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:45:10,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:45:10,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:45:10,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:45:10,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:45:10,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:45:10,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:45:10,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:45:10,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:45:10,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:45:10,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:45:10,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:45:10,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:45:10,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:45:10,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:45:10,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:45:10,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:45:10,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:45:10,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:45:10,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:45:10,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:45:10,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:45:10,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:45:10,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:45:10,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:45:10,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:45:10,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:45:10,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:45:10,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:45:10,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:45:10,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:45:10,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:45:10,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:45:10,669 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:45:10,669 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:45:10,669 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:45:10,670 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:45:10,670 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:45:10,670 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:45:10,670 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:45:10,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:45:10,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:45:10,671 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:45:10,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:45:10,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:45:10,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:45:10,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:45:10,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:45:10,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:45:10,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:45:10,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:45:10,672 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:45:10,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:45:10,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:45:10,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:45:10,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:45:10,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:45:10,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:45:10,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:45:10,674 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:45:10,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509af06f1a7d0e447633255d4acb572bd82e2db9 [2021-08-31 03:45:10,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:45:10,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:45:10,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:45:10,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:45:10,941 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:45:10,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-08-31 03:45:10,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46ee0e4c/0a8786f319614e399f4dd74d00a38558/FLAG98c5b9605 [2021-08-31 03:45:11,369 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:45:11,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-08-31 03:45:11,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46ee0e4c/0a8786f319614e399f4dd74d00a38558/FLAG98c5b9605 [2021-08-31 03:45:11,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46ee0e4c/0a8786f319614e399f4dd74d00a38558 [2021-08-31 03:45:11,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:45:11,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:45:11,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:45:11,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:45:11,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:45:11,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d45660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11, skipping insertion in model container [2021-08-31 03:45:11,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:45:11,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:45:11,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[6695,6708] [2021-08-31 03:45:11,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:45:11,662 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:45:11,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[6695,6708] [2021-08-31 03:45:11,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:45:11,770 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:45:11,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11 WrapperNode [2021-08-31 03:45:11,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:45:11,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:45:11,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:45:11,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:45:11,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:45:11,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:45:11,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:45:11,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:45:11,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:45:11,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:45:11,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:45:11,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:45:11,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (1/1) ... [2021-08-31 03:45:11,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:45:11,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:45:11,900 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 03:45:11,903 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 03:45:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:45:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:45:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:45:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:45:12,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:45:12,431 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-08-31 03:45:12,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:45:12 BoogieIcfgContainer [2021-08-31 03:45:12,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:45:12,435 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:45:12,436 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:45:12,438 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:45:12,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:45:12,438 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:45:11" (1/3) ... [2021-08-31 03:45:12,439 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23280e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:45:12, skipping insertion in model container [2021-08-31 03:45:12,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:45:12,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:45:11" (2/3) ... [2021-08-31 03:45:12,440 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23280e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:45:12, skipping insertion in model container [2021-08-31 03:45:12,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:45:12,441 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:45:12" (3/3) ... [2021-08-31 03:45:12,441 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2021-08-31 03:45:12,476 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:45:12,476 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:45:12,476 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:45:12,476 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:45:12,476 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:45:12,476 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:45:12,477 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:45:12,477 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:45:12,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 126 states, 125 states have (on average 1.512) internal successors, (189), 125 states have internal predecessors, (189), 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 03:45:12,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2021-08-31 03:45:12,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:45:12,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:45:12,519 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:45:12,519 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:45:12,519 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:45:12,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 126 states, 125 states have (on average 1.512) internal successors, (189), 125 states have internal predecessors, (189), 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 03:45:12,530 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2021-08-31 03:45:12,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:45:12,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:45:12,531 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:45:12,532 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:45:12,540 INFO L791 eck$LassoCheckResult]: Stem: 117#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 48#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 34#L447true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 4#L455true main_#t~ret32 := valid_product_#res;main_~tmp~5 := main_#t~ret32;havoc main_#t~ret32; 61#L411true assume 0 != main_~tmp~5; 18#L385true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 94#L477-1true [2021-08-31 03:45:12,541 INFO L793 eck$LassoCheckResult]: Loop: 94#L477-1true assume !false; 47#L58true assume test_~splverifierCounter~0 < 4; 105#L59true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 116#L67true assume !(0 != test_~tmp~0); 95#L67-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 76#L77true assume !(0 != test_~tmp___0~0); 89#L77-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 62#L87true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 103#L95-2true assume !(0 != ~pumpRunning~0); 66#L130true assume !(0 != ~systemActive~0); 67#L137true havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 5#L539-3true __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; 35#L477true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 94#L477-1true [2021-08-31 03:45:12,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:45:12,545 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:45:12,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:45:12,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031094861] [2021-08-31 03:45:12,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:45:12,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:45:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:12,740 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:45:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:12,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:45:12,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:45:12,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1678359101, now seen corresponding path program 1 times [2021-08-31 03:45:12,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:45:12,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592315148] [2021-08-31 03:45:12,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:45:12,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:45:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:45:12,953 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 03:45:12,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:45:12,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592315148] [2021-08-31 03:45:12,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592315148] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:45:12,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:45:12,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:45:12,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475500969] [2021-08-31 03:45:12,960 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:45:12,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:45:12,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:45:12,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:45:12,985 INFO L87 Difference]: Start difference. First operand has 126 states, 125 states have (on average 1.512) internal successors, (189), 125 states have internal predecessors, (189), 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 03:45:13,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:45:13,233 INFO L93 Difference]: Finished difference Result 126 states and 179 transitions. [2021-08-31 03:45:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:45:13,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 179 transitions. [2021-08-31 03:45:13,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2021-08-31 03:45:13,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 119 states and 171 transitions. [2021-08-31 03:45:13,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2021-08-31 03:45:13,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2021-08-31 03:45:13,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 171 transitions. [2021-08-31 03:45:13,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:45:13,244 INFO L681 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2021-08-31 03:45:13,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 171 transitions. [2021-08-31 03:45:13,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-08-31 03:45:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 119 states have (on average 1.4369747899159664) internal successors, (171), 118 states have internal predecessors, (171), 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 03:45:13,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2021-08-31 03:45:13,265 INFO L704 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2021-08-31 03:45:13,265 INFO L587 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2021-08-31 03:45:13,265 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:45:13,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 171 transitions. [2021-08-31 03:45:13,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2021-08-31 03:45:13,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:45:13,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:45:13,267 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:45:13,267 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:45:13,267 INFO L791 eck$LassoCheckResult]: Stem: 378#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 331#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 316#L447 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 261#L455 main_#t~ret32 := valid_product_#res;main_~tmp~5 := main_#t~ret32;havoc main_#t~ret32; 262#L411 assume 0 != main_~tmp~5; 290#L385 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 291#L477-1 [2021-08-31 03:45:13,267 INFO L793 eck$LassoCheckResult]: Loop: 291#L477-1 assume !false; 329#L58 assume test_~splverifierCounter~0 < 4; 330#L59 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 374#L67 assume !(0 != test_~tmp~0); 364#L67-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 359#L77 assume !(0 != test_~tmp___0~0); 360#L77-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 347#L87 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 348#L95-2 assume !(0 != ~pumpRunning~0); 333#L130 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 294#L188 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret11, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 295#L162-1 assume !(0 == ~pumpRunning~0); 324#L137 havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 263#L539-3 __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; 264#L477 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 291#L477-1 [2021-08-31 03:45:13,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:45:13,268 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:45:13,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:45:13,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734719655] [2021-08-31 03:45:13,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:45:13,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:45:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:13,293 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:45:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:13,322 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:45:13,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:45:13,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1075674043, now seen corresponding path program 1 times [2021-08-31 03:45:13,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:45:13,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657238135] [2021-08-31 03:45:13,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:45:13,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:45:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:45:13,333 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 03:45:13,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:45:13,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657238135] [2021-08-31 03:45:13,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657238135] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:45:13,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:45:13,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:45:13,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806033723] [2021-08-31 03:45:13,334 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:45:13,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:45:13,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:45:13,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:45:13,335 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 03:45:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:45:13,566 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2021-08-31 03:45:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:45:13,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 219 transitions. [2021-08-31 03:45:13,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2021-08-31 03:45:13,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 219 transitions. [2021-08-31 03:45:13,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2021-08-31 03:45:13,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2021-08-31 03:45:13,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 219 transitions. [2021-08-31 03:45:13,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:45:13,571 INFO L681 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2021-08-31 03:45:13,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 219 transitions. [2021-08-31 03:45:13,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2021-08-31 03:45:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 1.36875) internal successors, (219), 159 states have internal predecessors, (219), 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 03:45:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 219 transitions. [2021-08-31 03:45:13,576 INFO L704 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2021-08-31 03:45:13,576 INFO L587 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2021-08-31 03:45:13,576 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:45:13,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 219 transitions. [2021-08-31 03:45:13,577 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2021-08-31 03:45:13,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:45:13,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:45:13,578 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:45:13,578 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, 1] [2021-08-31 03:45:13,578 INFO L791 eck$LassoCheckResult]: Stem: 672#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 617#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 600#L447 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 546#L455 main_#t~ret32 := valid_product_#res;main_~tmp~5 := main_#t~ret32;havoc main_#t~ret32; 547#L411 assume 0 != main_~tmp~5; 573#L385 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 574#L477-1 [2021-08-31 03:45:13,578 INFO L793 eck$LassoCheckResult]: Loop: 574#L477-1 assume !false; 615#L58 assume test_~splverifierCounter~0 < 4; 616#L59 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 667#L67 assume !(0 != test_~tmp~0); 656#L67-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 650#L77 assume !(0 != test_~tmp___0~0); 651#L77-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 634#L87 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 635#L95-2 assume !(0 != ~pumpRunning~0); 642#L130 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 577#L188 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret11, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 578#L162-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 561#L579-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 562#L584-1 isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; 627#L307-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 628#L307-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 660#L313-1 processEnvironment__wrappee__methaneQuery_#t~ret11 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret11;havoc processEnvironment__wrappee__methaneQuery_#t~ret11; 658#L166-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1); 654#L137 havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 548#L539-3 __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; 549#L477 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 574#L477-1 [2021-08-31 03:45:13,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:45:13,579 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 03:45:13,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:45:13,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171643441] [2021-08-31 03:45:13,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:45:13,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:45:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:13,603 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:45:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:13,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:45:13,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:45:13,636 INFO L82 PathProgramCache]: Analyzing trace with hash -515194543, now seen corresponding path program 1 times [2021-08-31 03:45:13,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:45:13,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615142586] [2021-08-31 03:45:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:45:13,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:45:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:13,640 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:45:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:13,644 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:45:13,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:45:13,644 INFO L82 PathProgramCache]: Analyzing trace with hash -59123349, now seen corresponding path program 1 times [2021-08-31 03:45:13,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:45:13,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983377627] [2021-08-31 03:45:13,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:45:13,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:45:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:13,662 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:45:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:45:13,685 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:45:50,573 WARN L210 SmtUtils]: Spent 36.71s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:46:30,499 WARN L210 SmtUtils]: Spent 19.62s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:46:30,609 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 03:46:30,610 INFO L158 Benchmark]: Toolchain (without parser) took 79223.20ms. Allocated memory was 71.3MB in the beginning and 165.7MB in the end (delta: 94.4MB). Free memory was 44.7MB in the beginning and 83.4MB in the end (delta: -38.7MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2021-08-31 03:46:30,610 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 27.9MB in the beginning and 27.9MB in the end (delta: 34.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:46:30,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.21ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 47.6MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 03:46:30,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.08ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 43.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:46:30,611 INFO L158 Benchmark]: Boogie Preprocessor took 24.99ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 40.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:46:30,611 INFO L158 Benchmark]: RCFGBuilder took 573.40ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 40.9MB in the beginning and 86.6MB in the end (delta: -45.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-08-31 03:46:30,612 INFO L158 Benchmark]: BuchiAutomizer took 78174.04ms. Allocated memory was 107.0MB in the beginning and 165.7MB in the end (delta: 58.7MB). Free memory was 86.6MB in the beginning and 83.4MB in the end (delta: 3.2MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. [2021-08-31 03:46:30,614 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 46.1MB. Free memory was 27.9MB in the beginning and 27.9MB in the end (delta: 34.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.21ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 47.6MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.08ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 43.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.99ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 40.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 573.40ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 40.9MB in the beginning and 86.6MB in the end (delta: -45.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 78174.04ms. Allocated memory was 107.0MB in the beginning and 165.7MB in the end (delta: 58.7MB). Free memory was 86.6MB in the beginning and 83.4MB in the end (delta: 3.2MB). Peak memory consumption was 105.0MB. 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 3 locations. The remainder module has 160 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 03:46:30,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...