./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product39.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_product39.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 bee6f831173327ce1f460fb3d7d046a57a66e8b4 .................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:51:45,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:51:45,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:51:45,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:51:45,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:51:45,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:51:45,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:51:45,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:51:45,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:51:45,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:51:45,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:51:45,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:51:45,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:51:45,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:51:45,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:51:45,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:51:45,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:51:45,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:51:45,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:51:45,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:51:45,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:51:45,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:51:45,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:51:45,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:51:45,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:51:45,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:51:45,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:51:45,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:51:45,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:51:45,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:51:45,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:51:45,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:51:45,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:51:45,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:51:45,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:51:45,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:51:45,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:51:45,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:51:45,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:51:45,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:51:45,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:51:45,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:51:45,429 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:51:45,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:51:45,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:51:45,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:51:45,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:51:45,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:51:45,433 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:51:45,433 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:51:45,433 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:51:45,433 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:51:45,434 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:51:45,434 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:51:45,434 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:51:45,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:51:45,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:51:45,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:51:45,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:51:45,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:51:45,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:51:45,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:51:45,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:51:45,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:51:45,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:51:45,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:51:45,441 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:51:45,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:51:45,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:51:45,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:51:45,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:51:45,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:51:45,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:51:45,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:51:45,444 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:51:45,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee6f831173327ce1f460fb3d7d046a57a66e8b4 [2021-08-31 03:51:45,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:51:45,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:51:45,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:51:45,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:51:45,809 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:51:45,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2021-08-31 03:51:45,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa1d404c/4fec83647cac44fc82643b310691281e/FLAGe60320e06 [2021-08-31 03:51:46,342 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:51:46,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2021-08-31 03:51:46,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa1d404c/4fec83647cac44fc82643b310691281e/FLAGe60320e06 [2021-08-31 03:51:46,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa1d404c/4fec83647cac44fc82643b310691281e [2021-08-31 03:51:46,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:51:46,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:51:46,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:51:46,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:51:46,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:51:46,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:51:46" (1/1) ... [2021-08-31 03:51:46,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2947c85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:46, skipping insertion in model container [2021-08-31 03:51:46,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:51:46" (1/1) ... [2021-08-31 03:51:46,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:51:46,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:51:46,926 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_product39.cil.c[4763,4776] [2021-08-31 03:51:47,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:51:47,084 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:51:47,116 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_product39.cil.c[4763,4776] [2021-08-31 03:51:47,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:51:47,158 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:51:47,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47 WrapperNode [2021-08-31 03:51:47,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:51:47,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:51:47,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:51:47,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:51:47,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:51:47,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:51:47,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:51:47,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:51:47,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:51:47,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:51:47,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:51:47,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:51:47,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (1/1) ... [2021-08-31 03:51:47,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:51:47,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:51:47,306 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 03:51:47,309 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 03:51:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:51:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:51:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:51:47,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:51:47,794 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:51:47,794 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-08-31 03:51:47,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:51:47 BoogieIcfgContainer [2021-08-31 03:51:47,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:51:47,797 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:51:47,797 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:51:47,799 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:51:47,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:51:47,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:51:46" (1/3) ... [2021-08-31 03:51:47,801 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28d97107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:51:47, skipping insertion in model container [2021-08-31 03:51:47,801 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:51:47,801 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:47" (2/3) ... [2021-08-31 03:51:47,801 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28d97107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:51:47, skipping insertion in model container [2021-08-31 03:51:47,801 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:51:47,801 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:51:47" (3/3) ... [2021-08-31 03:51:47,802 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2021-08-31 03:51:47,840 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:51:47,841 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:51:47,841 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:51:47,841 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:51:47,841 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:51:47,841 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:51:47,841 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:51:47,841 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:51:47,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.5486725663716814) internal successors, (175), 113 states have internal predecessors, (175), 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 03:51:47,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2021-08-31 03:51:47,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:51:47,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:51:47,879 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:47,879 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:47,879 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:51:47,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.5486725663716814) internal successors, (175), 113 states have internal predecessors, (175), 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 03:51:47,886 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2021-08-31 03:51:47,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:51:47,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:51:47,887 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:47,887 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:47,893 INFO L791 eck$LassoCheckResult]: Stem: 105#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(80, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(117, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(109, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(112, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(110, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(102, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(102, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 3 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(32, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 33#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 111#L582true 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; 39#L590true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 52#L233true assume 0 != main_~tmp~0; 96#L204true ~methAndRunningLastTime~0 := 0; 15#L255true havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 22#L266-1true [2021-08-31 03:51:47,893 INFO L793 eck$LassoCheckResult]: Loop: 22#L266-1true assume !false; 74#L309true assume test_~splverifierCounter~0 < 4; 60#L310true test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 108#L318true assume !(0 != test_~tmp~2); 55#L318-1true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 90#L328true assume !(0 != test_~tmp___0~1); 64#L328-1true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 41#L338true assume 0 != test_~tmp___2~0; 98#L344-1true assume !(0 != ~pumpRunning~0); 116#L374true assume !(0 != ~systemActive~0); 57#L381true havoc __utac_acc__Specification2_spec__2_#t~ret18, __utac_acc__Specification2_spec__2_#t~ret19, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;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; 91#L92-1true __utac_acc__Specification2_spec__2_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret18;havoc __utac_acc__Specification2_spec__2_#t~ret18; 13#L266true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 22#L266-1true [2021-08-31 03:51:47,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:47,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 03:51:47,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:47,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178169077] [2021-08-31 03:51:47,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:47,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:48,158 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:48,315 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:48,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:48,318 INFO L82 PathProgramCache]: Analyzing trace with hash 12881107, now seen corresponding path program 1 times [2021-08-31 03:51:48,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:48,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662817891] [2021-08-31 03:51:48,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:48,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:48,324 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:48,344 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:48,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:48,345 INFO L82 PathProgramCache]: Analyzing trace with hash 846177613, now seen corresponding path program 1 times [2021-08-31 03:51:48,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:48,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787990484] [2021-08-31 03:51:48,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:48,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:51:48,497 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 03:51:48,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:51:48,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787990484] [2021-08-31 03:51:48,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787990484] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:51:48,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:51:48,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:51:48,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429357594] [2021-08-31 03:51:48,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:51:48,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:51:48,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:51:48,673 INFO L87 Difference]: Start difference. First operand has 114 states, 113 states have (on average 1.5486725663716814) internal successors, (175), 113 states have internal predecessors, (175), 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 03:51:49,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:51:49,544 INFO L93 Difference]: Finished difference Result 274 states and 397 transitions. [2021-08-31 03:51:49,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 03:51:49,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 397 transitions. [2021-08-31 03:51:49,553 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 175 [2021-08-31 03:51:49,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 253 states and 376 transitions. [2021-08-31 03:51:49,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 253 [2021-08-31 03:51:49,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 253 [2021-08-31 03:51:49,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 376 transitions. [2021-08-31 03:51:49,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:51:49,563 INFO L681 BuchiCegarLoop]: Abstraction has 253 states and 376 transitions. [2021-08-31 03:51:49,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states and 376 transitions. [2021-08-31 03:51:49,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 151. [2021-08-31 03:51:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.4768211920529801) internal successors, (223), 150 states have internal predecessors, (223), 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 03:51:49,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 223 transitions. [2021-08-31 03:51:49,591 INFO L704 BuchiCegarLoop]: Abstraction has 151 states and 223 transitions. [2021-08-31 03:51:49,591 INFO L587 BuchiCegarLoop]: Abstraction has 151 states and 223 transitions. [2021-08-31 03:51:49,592 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:51:49,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 223 transitions. [2021-08-31 03:51:49,594 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2021-08-31 03:51:49,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:51:49,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:51:49,596 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:49,596 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:49,596 INFO L791 eck$LassoCheckResult]: Stem: 513#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(80, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(117, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(109, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(112, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(110, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(102, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(102, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 3 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(32, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 455#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 456#L582 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; 461#L590 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 462#L233 assume 0 != main_~tmp~0; 478#L204 ~methAndRunningLastTime~0 := 0; 428#L255 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 422#L266-1 [2021-08-31 03:51:49,597 INFO L793 eck$LassoCheckResult]: Loop: 422#L266-1 assume !false; 439#L309 assume test_~splverifierCounter~0 < 4; 487#L310 test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 488#L318 assume !(0 != test_~tmp~2); 481#L318-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 482#L328 assume !(0 != test_~tmp___0~1); 467#L328-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 463#L338 assume 0 != test_~tmp___2~0; 443#L344-1 assume !(0 != ~pumpRunning~0); 469#L374 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret25, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 503#L432 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret24, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 505#L406-1 assume !(0 == ~pumpRunning~0); 452#L381 havoc __utac_acc__Specification2_spec__2_#t~ret18, __utac_acc__Specification2_spec__2_#t~ret19, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;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; 483#L92-1 __utac_acc__Specification2_spec__2_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret18;havoc __utac_acc__Specification2_spec__2_#t~ret18; 424#L266 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 422#L266-1 [2021-08-31 03:51:49,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:49,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 03:51:49,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:49,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223628350] [2021-08-31 03:51:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:49,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:49,638 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:49,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:49,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:49,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1348521866, now seen corresponding path program 1 times [2021-08-31 03:51:49,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:49,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264245106] [2021-08-31 03:51:49,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:49,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:51:49,724 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 03:51:49,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:51:49,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264245106] [2021-08-31 03:51:49,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264245106] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:51:49,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:51:49,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:51:49,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339730028] [2021-08-31 03:51:49,726 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:51:49,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:51:49,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:51:49,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:51:49,727 INFO L87 Difference]: Start difference. First operand 151 states and 223 transitions. cyclomatic complexity: 75 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 03:51:50,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:51:50,004 INFO L93 Difference]: Finished difference Result 193 states and 269 transitions. [2021-08-31 03:51:50,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:51:50,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 193 states and 269 transitions. [2021-08-31 03:51:50,007 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2021-08-31 03:51:50,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 193 states to 193 states and 269 transitions. [2021-08-31 03:51:50,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 193 [2021-08-31 03:51:50,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 193 [2021-08-31 03:51:50,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 193 states and 269 transitions. [2021-08-31 03:51:50,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:51:50,010 INFO L681 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2021-08-31 03:51:50,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states and 269 transitions. [2021-08-31 03:51:50,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2021-08-31 03:51:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 193 states have (on average 1.3937823834196892) internal successors, (269), 192 states have internal predecessors, (269), 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 03:51:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2021-08-31 03:51:50,018 INFO L704 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2021-08-31 03:51:50,018 INFO L587 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2021-08-31 03:51:50,018 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:51:50,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 269 transitions. [2021-08-31 03:51:50,020 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2021-08-31 03:51:50,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:51:50,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:51:50,021 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:50,021 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 03:51:50,021 INFO L791 eck$LassoCheckResult]: Stem: 881#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(80, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(117, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(109, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(112, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(110, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(102, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(102, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 3 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(32, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 809#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 810#L582 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; 815#L590 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 816#L233 assume 0 != main_~tmp~0; 833#L204 ~methAndRunningLastTime~0 := 0; 780#L255 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 781#L266-1 [2021-08-31 03:51:50,021 INFO L793 eck$LassoCheckResult]: Loop: 781#L266-1 assume !false; 927#L309 assume test_~splverifierCounter~0 < 4; 843#L310 test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 844#L318 assume !(0 != test_~tmp~2); 837#L318-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 838#L328 assume !(0 != test_~tmp___0~1); 822#L328-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 818#L338 assume 0 != test_~tmp___2~0; 797#L344-1 assume !(0 != ~pumpRunning~0); 876#L374 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret25, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 862#L432 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret24, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 863#L406-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret43, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 879#L132-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 850#L137-1 isHighWaterLevel_#t~ret43 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret43;havoc isHighWaterLevel_#t~ret43; 851#L534-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 811#L534-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 756#L540-1 processEnvironment__wrappee__highWaterSensor_#t~ret24 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret24;havoc processEnvironment__wrappee__highWaterSensor_#t~ret24; 757#L410-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 805#L381 havoc __utac_acc__Specification2_spec__2_#t~ret18, __utac_acc__Specification2_spec__2_#t~ret19, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;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; 839#L92-1 __utac_acc__Specification2_spec__2_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret18;havoc __utac_acc__Specification2_spec__2_#t~ret18; 871#L266 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 781#L266-1 [2021-08-31 03:51:50,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:50,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-08-31 03:51:50,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:50,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339599179] [2021-08-31 03:51:50,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:50,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:50,061 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:50,103 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:50,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:50,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1406211850, now seen corresponding path program 1 times [2021-08-31 03:51:50,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:50,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561089871] [2021-08-31 03:51:50,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:50,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:50,108 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:50,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:50,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:50,114 INFO L82 PathProgramCache]: Analyzing trace with hash 366929776, now seen corresponding path program 1 times [2021-08-31 03:51:50,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:50,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490128921] [2021-08-31 03:51:50,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:50,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:50,141 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:50,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:52:28,509 WARN L210 SmtUtils]: Spent 38.11s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 03:53:09,785 WARN L210 SmtUtils]: Spent 19.74s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 03:53:09,865 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 03:53:09,868 INFO L158 Benchmark]: Toolchain (without parser) took 83185.13ms. Allocated memory was 52.4MB in the beginning and 98.6MB in the end (delta: 46.1MB). Free memory was 28.6MB in the beginning and 35.3MB in the end (delta: -6.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2021-08-31 03:53:09,868 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:53:09,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.57ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.4MB in the beginning and 40.0MB in the end (delta: -11.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-08-31 03:53:09,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.10ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 36.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:53:09,870 INFO L158 Benchmark]: Boogie Preprocessor took 57.95ms. Allocated memory is still 62.9MB. Free memory was 36.4MB in the beginning and 33.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:53:09,870 INFO L158 Benchmark]: RCFGBuilder took 523.84ms. Allocated memory is still 62.9MB. Free memory was 33.8MB in the beginning and 28.8MB in the end (delta: 5.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-08-31 03:53:09,871 INFO L158 Benchmark]: BuchiAutomizer took 82069.95ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 28.5MB in the beginning and 35.3MB in the end (delta: -6.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-08-31 03:53:09,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.57ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.4MB in the beginning and 40.0MB in the end (delta: -11.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.10ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 36.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.95ms. Allocated memory is still 62.9MB. Free memory was 36.4MB in the beginning and 33.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 523.84ms. Allocated memory is still 62.9MB. Free memory was 33.8MB in the beginning and 28.8MB in the end (delta: 5.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 82069.95ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 28.5MB in the beginning and 35.3MB in the end (delta: -6.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 193 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 03:53:09,907 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...