./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product55.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 43d840a4952877093d97c8e90564eb1be31dea0c .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 04:07:04,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:07:04,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:07:04,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:07:04,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:07:04,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:07:04,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:07:04,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:07:04,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:07:04,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:07:04,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:07:04,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:07:04,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:07:04,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:07:04,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:07:04,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:07:04,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:07:04,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:07:04,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:07:04,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:07:04,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:07:04,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:07:04,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:07:04,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:07:04,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:07:04,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:07:04,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:07:04,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:07:04,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:07:04,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:07:04,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:07:04,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:07:04,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:07:04,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:07:04,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:07:04,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:07:04,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:07:04,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:07:04,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:07:04,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:07:04,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:07:04,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:07:04,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:07:04,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:07:04,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:07:04,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:07:04,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:07:04,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:07:04,455 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:07:04,455 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:07:04,455 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:07:04,456 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:07:04,456 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:07:04,457 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:07:04,457 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:07:04,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:07:04,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:07:04,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:07:04,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:07:04,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:07:04,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:07:04,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:07:04,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:07:04,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:07:04,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:07:04,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:07:04,459 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:07:04,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:07:04,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:07:04,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:07:04,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:07:04,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:07:04,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:07:04,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:07:04,462 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:07:04,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43d840a4952877093d97c8e90564eb1be31dea0c [2021-08-31 04:07:04,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:07:04,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:07:04,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:07:04,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:07:04,855 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:07:04,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-08-31 04:07:04,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b19b4a0/81f1de9082554cc982f5528d8d9b7d58/FLAG40092a965 [2021-08-31 04:07:05,343 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:07:05,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-08-31 04:07:05,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b19b4a0/81f1de9082554cc982f5528d8d9b7d58/FLAG40092a965 [2021-08-31 04:07:05,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b19b4a0/81f1de9082554cc982f5528d8d9b7d58 [2021-08-31 04:07:05,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:07:05,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:07:05,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:07:05,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:07:05,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:07:05,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b37a354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05, skipping insertion in model container [2021-08-31 04:07:05,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:07:05,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:07:05,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6563,6576] [2021-08-31 04:07:05,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:07:05,757 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:07:05,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6563,6576] [2021-08-31 04:07:05,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:07:05,816 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:07:05,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05 WrapperNode [2021-08-31 04:07:05,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:07:05,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:07:05,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:07:05,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:07:05,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:07:05,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:07:05,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:07:05,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:07:05,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:05,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:06,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:06,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:07:06,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:07:06,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:07:06,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:07:06,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (1/1) ... [2021-08-31 04:07:06,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:07:06,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:07:06,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:07:06,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 04:07:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:07:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:07:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:07:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:07:06,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:07:06,692 INFO L299 CfgBuilder]: Removed 280 assume(true) statements. [2021-08-31 04:07:06,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:07:06 BoogieIcfgContainer [2021-08-31 04:07:06,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:07:06,696 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:07:06,696 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:07:06,698 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:07:06,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:07:06,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:07:05" (1/3) ... [2021-08-31 04:07:06,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35b7b2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:07:06, skipping insertion in model container [2021-08-31 04:07:06,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:07:06,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:05" (2/3) ... [2021-08-31 04:07:06,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35b7b2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:07:06, skipping insertion in model container [2021-08-31 04:07:06,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:07:06,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:07:06" (3/3) ... [2021-08-31 04:07:06,702 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2021-08-31 04:07:06,739 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:07:06,740 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:07:06,740 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:07:06,740 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:07:06,740 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:07:06,740 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:07:06,740 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:07:06,741 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:07:06,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.5401069518716577) internal successors, (288), 187 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:07:06,778 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2021-08-31 04:07:06,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:07:06,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:07:06,784 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:07:06,784 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:07:06,784 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:07:06,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.5401069518716577) internal successors, (288), 187 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:07:06,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2021-08-31 04:07:06,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:07:06,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:07:06,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:07:06,794 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:07:06,799 INFO L791 eck$LassoCheckResult]: Stem: 158#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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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(25);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(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 48#L-1true havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 144#L415true 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; 25#L423true main_#t~ret36 := valid_product_#res;main_~tmp~7 := main_#t~ret36;havoc main_#t~ret36; 108#L519true assume 0 != main_~tmp~7; 106#L496true 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; 17#L372-1true [2021-08-31 04:07:06,800 INFO L793 eck$LassoCheckResult]: Loop: 17#L372-1true assume !false; 47#L58true assume test_~splverifierCounter~0 < 4; 137#L59true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 157#L67true assume !(0 != test_~tmp~0); 120#L67-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 98#L77true assume !(0 != test_~tmp___0~0); 112#L77-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 67#L87true assume 0 != test_~tmp___2~0; 146#L93-1true assume !(0 != ~pumpRunning~0); 52#L131true assume !(0 != ~systemActive~0); 79#L138true havoc __utac_acc__Specification4_spec__1_#t~ret33, __utac_acc__Specification4_spec__1_#t~ret34, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 53#L974true __utac_acc__Specification4_spec__1_#t~ret33 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret33;havoc __utac_acc__Specification4_spec__1_#t~ret33; 37#L372true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 17#L372-1true [2021-08-31 04:07:06,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:06,805 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 04:07:06,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:06,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090430523] [2021-08-31 04:07:06,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:06,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:06,981 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:07,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:07,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:07,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1667892533, now seen corresponding path program 1 times [2021-08-31 04:07:07,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:07,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399177533] [2021-08-31 04:07:07,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:07,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:07,130 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:07,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:07,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:07,150 INFO L82 PathProgramCache]: Analyzing trace with hash 46386405, now seen corresponding path program 1 times [2021-08-31 04:07:07,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:07,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518167217] [2021-08-31 04:07:07,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:07,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:07:07,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:07:07,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:07:07,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518167217] [2021-08-31 04:07:07,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518167217] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:07:07,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:07:07,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:07:07,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381280617] [2021-08-31 04:07:07,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:07:07,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 04:07:07,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 04:07:07,432 INFO L87 Difference]: Start difference. First operand has 188 states, 187 states have (on average 1.5401069518716577) internal successors, (288), 187 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:07:08,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:07:08,498 INFO L93 Difference]: Finished difference Result 420 states and 618 transitions. [2021-08-31 04:07:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:07:08,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 420 states and 618 transitions. [2021-08-31 04:07:08,509 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 273 [2021-08-31 04:07:08,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 420 states to 399 states and 597 transitions. [2021-08-31 04:07:08,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 399 [2021-08-31 04:07:08,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 399 [2021-08-31 04:07:08,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 399 states and 597 transitions. [2021-08-31 04:07:08,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:07:08,521 INFO L681 BuchiCegarLoop]: Abstraction has 399 states and 597 transitions. [2021-08-31 04:07:08,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states and 597 transitions. [2021-08-31 04:07:08,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 222. [2021-08-31 04:07:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 222 states have (on average 1.4864864864864864) internal successors, (330), 221 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:07:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 330 transitions. [2021-08-31 04:07:08,558 INFO L704 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2021-08-31 04:07:08,559 INFO L587 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2021-08-31 04:07:08,559 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:07:08,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 330 transitions. [2021-08-31 04:07:08,561 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2021-08-31 04:07:08,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:07:08,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:07:08,565 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:07:08,566 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:07:08,566 INFO L791 eck$LassoCheckResult]: Stem: 800#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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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(25);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(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 701#L-1 havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 702#L415 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; 668#L423 main_#t~ret36 := valid_product_#res;main_~tmp~7 := main_#t~ret36;havoc main_#t~ret36; 669#L519 assume 0 != main_~tmp~7; 768#L496 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; 651#L372-1 [2021-08-31 04:07:08,567 INFO L793 eck$LassoCheckResult]: Loop: 651#L372-1 assume !false; 655#L58 assume test_~splverifierCounter~0 < 4; 700#L59 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 791#L67 assume !(0 != test_~tmp~0); 780#L67-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 762#L77 assume !(0 != test_~tmp___0~0); 760#L77-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 727#L87 assume 0 != test_~tmp___2~0; 695#L93-1 assume !(0 != ~pumpRunning~0); 708#L131 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 709#L215 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 703#L189-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 705#L163-3 assume !(0 == ~pumpRunning~0); 675#L138 havoc __utac_acc__Specification4_spec__1_#t~ret33, __utac_acc__Specification4_spec__1_#t~ret34, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 710#L974 __utac_acc__Specification4_spec__1_#t~ret33 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret33;havoc __utac_acc__Specification4_spec__1_#t~ret33; 686#L372 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 651#L372-1 [2021-08-31 04:07:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:08,567 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 04:07:08,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:08,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496096159] [2021-08-31 04:07:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:08,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:08,638 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:08,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:08,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:08,697 INFO L82 PathProgramCache]: Analyzing trace with hash -2101003018, now seen corresponding path program 1 times [2021-08-31 04:07:08,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:08,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513400312] [2021-08-31 04:07:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:08,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:07:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:07:08,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:07:08,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513400312] [2021-08-31 04:07:08,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513400312] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:07:08,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:07:08,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:07:08,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957340234] [2021-08-31 04:07:08,725 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:07:08,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:07:08,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:07:08,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:07:08,727 INFO L87 Difference]: Start difference. First operand 222 states and 330 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:07:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:07:09,024 INFO L93 Difference]: Finished difference Result 225 states and 310 transitions. [2021-08-31 04:07:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:07:09,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 310 transitions. [2021-08-31 04:07:09,027 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2021-08-31 04:07:09,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 310 transitions. [2021-08-31 04:07:09,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 225 [2021-08-31 04:07:09,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 225 [2021-08-31 04:07:09,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 310 transitions. [2021-08-31 04:07:09,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:07:09,030 INFO L681 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2021-08-31 04:07:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 310 transitions. [2021-08-31 04:07:09,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-08-31 04:07:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.3777777777777778) internal successors, (310), 224 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:07:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 310 transitions. [2021-08-31 04:07:09,038 INFO L704 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2021-08-31 04:07:09,038 INFO L587 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2021-08-31 04:07:09,039 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:07:09,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 310 transitions. [2021-08-31 04:07:09,040 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2021-08-31 04:07:09,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:07:09,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:07:09,041 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:07:09,041 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, 1] [2021-08-31 04:07:09,041 INFO L791 eck$LassoCheckResult]: Stem: 1229#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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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(25);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(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1139#L-1 havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 1140#L415 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; 1110#L423 main_#t~ret36 := valid_product_#res;main_~tmp~7 := main_#t~ret36;havoc main_#t~ret36; 1111#L519 assume 0 != main_~tmp~7; 1194#L496 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; 1096#L372-1 [2021-08-31 04:07:09,041 INFO L793 eck$LassoCheckResult]: Loop: 1096#L372-1 assume !false; 1277#L58 assume test_~splverifierCounter~0 < 4; 1217#L59 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 1218#L67 assume !(0 != test_~tmp~0); 1205#L67-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 1188#L77 assume !(0 != test_~tmp___0~0); 1185#L77-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 1198#L87 assume 0 != test_~tmp___2~0; 1284#L93-1 assume !(0 != ~pumpRunning~0); 1143#L131 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1144#L215 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 1141#L189-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1142#L163-3 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~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1232#L982-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1207#L987-3 isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; 1208#L317-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1226#L317-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1227#L323-3 processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; 1160#L167-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 1119#L138 havoc __utac_acc__Specification4_spec__1_#t~ret33, __utac_acc__Specification4_spec__1_#t~ret34, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 1145#L974 __utac_acc__Specification4_spec__1_#t~ret33 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret33;havoc __utac_acc__Specification4_spec__1_#t~ret33; 1125#L372 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 1096#L372-1 [2021-08-31 04:07:09,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:09,041 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 04:07:09,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:09,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017830695] [2021-08-31 04:07:09,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:09,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:09,079 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:09,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:09,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:09,113 INFO L82 PathProgramCache]: Analyzing trace with hash 2033396642, now seen corresponding path program 1 times [2021-08-31 04:07:09,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:09,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855525313] [2021-08-31 04:07:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:09,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:09,118 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:09,123 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:09,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:09,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1008265528, now seen corresponding path program 1 times [2021-08-31 04:07:09,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:09,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328224210] [2021-08-31 04:07:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:09,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:09,169 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:09,217 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:48,266 WARN L210 SmtUtils]: Spent 38.86s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 04:08:28,709 WARN L210 SmtUtils]: Spent 19.13s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 04:08:28,780 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 04:08:28,782 INFO L158 Benchmark]: Toolchain (without parser) took 83408.39ms. Allocated memory was 65.0MB in the beginning and 117.4MB in the end (delta: 52.4MB). Free memory was 44.8MB in the beginning and 62.2MB in the end (delta: -17.4MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2021-08-31 04:08:28,782 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:08:28,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.15ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 41.1MB in the end (delta: 3.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 04:08:28,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.09ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 36.4MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 04:08:28,784 INFO L158 Benchmark]: Boogie Preprocessor took 95.23ms. Allocated memory is still 65.0MB. Free memory was 36.2MB in the beginning and 32.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:08:28,784 INFO L158 Benchmark]: RCFGBuilder took 682.06ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 44.6MB in the end (delta: -11.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-08-31 04:08:28,785 INFO L158 Benchmark]: BuchiAutomizer took 82084.92ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 44.6MB in the beginning and 62.2MB in the end (delta: -17.6MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2021-08-31 04:08:28,788 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 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.15ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 41.1MB in the end (delta: 3.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.09ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 36.4MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.23ms. Allocated memory is still 65.0MB. Free memory was 36.2MB in the beginning and 32.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.06ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 44.6MB in the end (delta: -11.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 82084.92ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 44.6MB in the beginning and 62.2MB in the end (delta: -17.6MB). Peak memory consumption was 64.9MB. 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 225 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 04:08:28,823 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...