./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer --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 d2de004535e86b502472828c57e9d5f0f0fdfb12 ............................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:20:37,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:20:37,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:20:37,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:20:37,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:20:37,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:20:37,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:20:37,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:20:37,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:20:37,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:20:37,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:20:37,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:20:37,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:20:37,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:20:37,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:20:37,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:20:37,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:20:37,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:20:37,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:20:37,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:20:37,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:20:37,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:20:37,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:20:37,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:20:37,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:20:37,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:20:37,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:20:37,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:20:37,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:20:37,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:20:37,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:20:37,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:20:37,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:20:37,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:20:37,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:20:37,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:20:37,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:20:37,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:20:37,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:20:37,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:20:37,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:20:37,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:20:37,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:20:37,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:20:37,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:20:37,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:20:37,268 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:20:37,268 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:20:37,269 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:20:37,269 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:20:37,269 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:20:37,269 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:20:37,270 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:20:37,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:20:37,271 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:20:37,271 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:20:37,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:20:37,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:20:37,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:20:37,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:20:37,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:20:37,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:20:37,273 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:20:37,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:20:37,273 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:20:37,273 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:20:37,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:20:37,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:20:37,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:20:37,274 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:20:37,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:20:37,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:20:37,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:20:37,275 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:20:37,277 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:20:37,277 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:/tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2de004535e86b502472828c57e9d5f0f0fdfb12 [2020-11-29 23:20:37,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:20:37,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:20:37,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:20:37,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:20:37,608 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:20:37,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2020-11-29 23:20:37,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/data/96242ed01/85e0096d6ec4430f8a92cc26ae6cd292/FLAG094d1ff20 [2020-11-29 23:20:38,282 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:20:38,282 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2020-11-29 23:20:38,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/data/96242ed01/85e0096d6ec4430f8a92cc26ae6cd292/FLAG094d1ff20 [2020-11-29 23:20:38,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/data/96242ed01/85e0096d6ec4430f8a92cc26ae6cd292 [2020-11-29 23:20:38,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:20:38,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:20:38,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:20:38,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:20:38,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:20:38,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:20:38" (1/1) ... [2020-11-29 23:20:38,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147ee14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:38, skipping insertion in model container [2020-11-29 23:20:38,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:20:38" (1/1) ... [2020-11-29 23:20:38,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:20:38,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:20:38,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:20:39,002 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:20:39,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:20:39,162 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:20:39,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39 WrapperNode [2020-11-29 23:20:39,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:20:39,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:20:39,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:20:39,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:20:39,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:20:39,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:20:39,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:20:39,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:20:39,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... [2020-11-29 23:20:39,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:20:39,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:20:39,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:20:39,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:20:39,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:20:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:20:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:20:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:20:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:20:40,272 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:20:40,276 INFO L298 CfgBuilder]: Removed 88 assume(true) statements. [2020-11-29 23:20:40,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:20:40 BoogieIcfgContainer [2020-11-29 23:20:40,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:20:40,280 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:20:40,280 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:20:40,283 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:20:40,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:20:40,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:20:38" (1/3) ... [2020-11-29 23:20:40,286 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b2fc4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:20:40, skipping insertion in model container [2020-11-29 23:20:40,286 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:20:40,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:20:39" (2/3) ... [2020-11-29 23:20:40,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b2fc4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:20:40, skipping insertion in model container [2020-11-29 23:20:40,288 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:20:40,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:20:40" (3/3) ... [2020-11-29 23:20:40,291 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2020-11-29 23:20:40,348 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:20:40,348 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:20:40,348 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:20:40,348 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:20:40,349 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:20:40,349 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:20:40,349 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:20:40,349 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:20:40,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2020-11-29 23:20:40,395 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 23:20:40,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:20:40,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:20:40,405 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:20:40,405 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:20:40,406 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:20:40,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2020-11-29 23:20:40,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 23:20:40,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:20:40,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:20:40,422 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:20:40,422 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:20:40,428 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 8#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 4#L771true 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#L779true main_#t~ret77 := valid_product_#res;main_~tmp~5 := main_#t~ret77;havoc main_#t~ret77; 32#L867true assume 0 != main_~tmp~5; 61#L843true ~switchedOnBeforeTS~0 := 0; 57#L703true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L724-1true [2020-11-29 23:20:40,429 INFO L796 eck$LassoCheckResult]: Loop: 13#L724-1true assume !false; 5#L632true assume test_~splverifierCounter~0 < 4; 31#L633true test_~tmp~3 := test_#t~nondet69;havoc test_#t~nondet69; 54#L641true assume !(0 != test_~tmp~3); 55#L641-1true test_~tmp___0~0 := test_#t~nondet70;havoc test_#t~nondet70; 40#L651true assume !(0 != test_~tmp___0~0); 42#L651-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 7#L661true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 24#L669-2true havoc __utac_acc__Specification5_spec__2_#t~ret73;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 48#L571true __utac_acc__Specification5_spec__2_#t~ret73 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret73;havoc __utac_acc__Specification5_spec__2_#t~ret73; 11#L713true assume !(0 != ~pumpRunning~0); 41#L512true assume 0 != ~systemActive~0; 18#L519true havoc __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_#t~ret75, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 63#L489true __utac_acc__Specification5_spec__3_#t~ret74 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 9#L724true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 13#L724-1true [2020-11-29 23:20:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:20:40,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-11-29 23:20:40,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:20:40,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840309069] [2020-11-29 23:20:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:20:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:40,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:40,883 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:40,937 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:20:40,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:20:40,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394290, now seen corresponding path program 1 times [2020-11-29 23:20:40,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:20:40,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559182962] [2020-11-29 23:20:40,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:20:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:40,964 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:40,983 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:40,987 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:20:40,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:20:40,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547796, now seen corresponding path program 1 times [2020-11-29 23:20:40,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:20:40,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253961274] [2020-11-29 23:20:40,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:20:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:20:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:20:41,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253961274] [2020-11-29 23:20:41,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:20:41,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:20:41,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340128525] [2020-11-29 23:20:41,434 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-11-29 23:20:41,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:20:41,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:20:41,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:20:41,559 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 5 states. [2020-11-29 23:20:41,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:20:41,853 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2020-11-29 23:20:41,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 23:20:41,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2020-11-29 23:20:41,870 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2020-11-29 23:20:41,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2020-11-29 23:20:41,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2020-11-29 23:20:41,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2020-11-29 23:20:41,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2020-11-29 23:20:41,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:20:41,886 INFO L691 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2020-11-29 23:20:41,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2020-11-29 23:20:41,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2020-11-29 23:20:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-29 23:20:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2020-11-29 23:20:41,934 INFO L714 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2020-11-29 23:20:41,934 INFO L594 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2020-11-29 23:20:41,935 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:20:41,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2020-11-29 23:20:41,942 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2020-11-29 23:20:41,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:20:41,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:20:41,943 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:20:41,943 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:20:41,945 INFO L794 eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 259#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 249#L771 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; 250#L779 main_#t~ret77 := valid_product_#res;main_~tmp~5 := main_#t~ret77;havoc main_#t~ret77; 289#L867 assume 0 != main_~tmp~5; 290#L843 ~switchedOnBeforeTS~0 := 0; 311#L703 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 269#L724-1 [2020-11-29 23:20:41,946 INFO L796 eck$LassoCheckResult]: Loop: 269#L724-1 assume !false; 251#L632 assume test_~splverifierCounter~0 < 4; 252#L633 test_~tmp~3 := test_#t~nondet69;havoc test_#t~nondet69; 287#L641 assume !(0 != test_~tmp~3); 310#L641-1 test_~tmp___0~0 := test_#t~nondet70;havoc test_#t~nondet70; 300#L651 assume !(0 != test_~tmp___0~0); 302#L651-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 256#L661 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 258#L669-2 havoc __utac_acc__Specification5_spec__2_#t~ret73;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 282#L571 __utac_acc__Specification5_spec__2_#t~ret73 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret73;havoc __utac_acc__Specification5_spec__2_#t~ret73; 265#L713 assume !(0 != ~pumpRunning~0); 266#L512 assume 0 != ~systemActive~0; 274#L519 havoc __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_#t~ret75, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 275#L489 __utac_acc__Specification5_spec__3_#t~ret74 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 260#L724 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 261#L571-1 __utac_acc__Specification5_spec__3_#t~ret75 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret75;havoc __utac_acc__Specification5_spec__3_#t~ret75; 292#L728 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 269#L724-1 [2020-11-29 23:20:41,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:20:41,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-11-29 23:20:41,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:20:41,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135300878] [2020-11-29 23:20:41,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:20:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:42,008 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:42,073 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:42,101 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:20:42,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:20:42,107 INFO L82 PathProgramCache]: Analyzing trace with hash 326286925, now seen corresponding path program 1 times [2020-11-29 23:20:42,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:20:42,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077742844] [2020-11-29 23:20:42,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:20:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:42,114 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:42,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:42,121 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:20:42,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:20:42,124 INFO L82 PathProgramCache]: Analyzing trace with hash -796325433, now seen corresponding path program 1 times [2020-11-29 23:20:42,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:20:42,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69623414] [2020-11-29 23:20:42,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:20:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:42,187 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:20:42,275 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:20:42,291 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:20:42,423 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-11-29 23:21:49,798 WARN L193 SmtUtils]: Spent 1.12 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-11-29 23:22:33,748 WARN L193 SmtUtils]: Spent 43.93 s on a formula simplification that was a NOOP. DAG size: 435 [2020-11-29 23:22:34,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:22:34 BoogieIcfgContainer [2020-11-29 23:22:34,028 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:22:34,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:22:34,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:22:34,029 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:22:34,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:20:40" (3/4) ... [2020-11-29 23:22:34,032 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 23:22:34,106 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_079e1b7f-6bab-4cbc-8cc8-a993f33cab7f/bin/uautomizer/witness.graphml [2020-11-29 23:22:34,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:22:34,109 INFO L168 Benchmark]: Toolchain (without parser) took 115526.80 ms. Allocated memory was 102.8 MB in the beginning and 159.4 MB in the end (delta: 56.6 MB). Free memory was 74.6 MB in the beginning and 116.7 MB in the end (delta: -42.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:22:34,110 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 102.8 MB. Free memory is still 59.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:22:34,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.14 ms. Allocated memory is still 102.8 MB. Free memory was 74.3 MB in the beginning and 69.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:22:34,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.48 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 66.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:22:34,111 INFO L168 Benchmark]: Boogie Preprocessor took 62.33 ms. Allocated memory is still 102.8 MB. Free memory was 66.9 MB in the beginning and 64.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:22:34,112 INFO L168 Benchmark]: RCFGBuilder took 985.98 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 64.8 MB in the beginning and 74.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:22:34,115 INFO L168 Benchmark]: BuchiAutomizer took 113748.08 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 74.5 MB in the beginning and 118.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 66.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:22:34,118 INFO L168 Benchmark]: Witness Printer took 79.11 ms. Allocated memory is still 159.4 MB. Free memory was 118.8 MB in the beginning and 116.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:22:34,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 102.8 MB. Free memory is still 59.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.14 ms. Allocated memory is still 102.8 MB. Free memory was 74.3 MB in the beginning and 69.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.48 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 66.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.33 ms. Allocated memory is still 102.8 MB. Free memory was 66.9 MB in the beginning and 64.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 985.98 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 64.8 MB in the beginning and 74.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 113748.08 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 74.5 MB in the beginning and 118.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 66.6 MB. Max. memory is 16.1 GB. * Witness Printer took 79.11 ms. Allocated memory is still 159.4 MB. Free memory was 118.8 MB in the beginning and 116.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 113.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 113.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 631]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=14571} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=14571, NULL=0, NULL=0, NULL=14577, NULL=0, retValue_acc=0, NULL=14574, NULL=14587, methaneLevelCritical=0, NULL=14579, tmp=0, NULL=0, tmp=1, NULL=0, NULL=14582, tmp___1=0, NULL=14592, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31c07c88=0, NULL=14594, NULL=14586, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ce8b76f=0, NULL=14580, cleanupTimeShifts=4, NULL=14597, switchedOnBeforeTS=0, NULL=14572, NULL=14589, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=14585, NULL=0, NULL=14590, NULL=0, tmp___0=0, NULL=14573, NULL=0, NULL=0, NULL=14595, \result=1, head=0, pumpRunning=0, NULL=14584, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d2bda32=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a7b18c3=0, NULL=0, NULL=14575, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b90b32f=0, NULL=0, NULL=0, tmp=1, NULL=14591, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@488611a5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3adfc915=83, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38a591cd=0, retValue_acc=1, NULL=14598, tmp___2=83, retValue_acc=1, NULL=14596, NULL=14599, splverifierCounter=0, NULL=0, NULL=14581, head=0, NULL=0, NULL=0, NULL=14593, NULL=0, NULL=0, NULL=14588, NULL=14576, NULL=14578, retValue_acc=0, NULL=14583} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L414] int waterLevel = 1; [L415] int methaneLevelCritical = 0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L697] int switchedOnBeforeTS ; [L784] int cleanupTimeShifts = 4; [L858] int retValue_acc ; [L859] int tmp ; [L775] int retValue_acc ; [L778] retValue_acc = 1 [L779] return (retValue_acc); [L865] tmp = valid_product() [L867] COND TRUE \read(tmp) [L702] switchedOnBeforeTS = 0 [L622] int splverifierCounter ; [L623] int tmp ; [L624] int tmp___0 ; [L625] int tmp___1 ; [L626] int tmp___2 ; [L629] splverifierCounter = 0 Loop: [L631] COND TRUE 1 [L633] COND TRUE splverifierCounter < 4 [L639] tmp = __VERIFIER_nondet_int() [L641] COND FALSE !(\read(tmp)) [L649] tmp___0 = __VERIFIER_nondet_int() [L651] COND FALSE !(\read(tmp___0)) [L659] tmp___2 = __VERIFIER_nondet_int() [L661] COND TRUE \read(tmp___2) [L615] systemActive = 1 [L567] int retValue_acc ; [L570] retValue_acc = pumpRunning [L571] return (retValue_acc); [L711] switchedOnBeforeTS = isPumpRunning() [L512] COND FALSE !(\read(pumpRunning)) [L519] COND TRUE \read(systemActive) [L717] int tmp ; [L718] int tmp___0 ; [L485] int retValue_acc ; [L488] retValue_acc = waterLevel [L489] return (retValue_acc); [L722] tmp = getWaterLevel() [L724] COND TRUE tmp != 2 [L567] int retValue_acc ; [L570] retValue_acc = pumpRunning [L571] return (retValue_acc); [L726] tmp___0 = isPumpRunning() [L728] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...