./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/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 cad73398e0cf8deb8923c0d0bd284c41454d0d9c ................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 15:21:49,255 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:21:49,256 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:21:49,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:21:49,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:21:49,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:21:49,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:21:49,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:21:49,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:21:49,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:21:49,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:21:49,268 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:21:49,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:21:49,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:21:49,270 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:21:49,270 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:21:49,271 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:21:49,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:21:49,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:21:49,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:21:49,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:21:49,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:21:49,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:21:49,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:21:49,278 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:21:49,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:21:49,279 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:21:49,279 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:21:49,280 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:21:49,281 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:21:49,281 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:21:49,281 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:21:49,281 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:21:49,282 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:21:49,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:21:49,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:21:49,283 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:21:49,291 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:21:49,291 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:21:49,292 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:21:49,292 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:21:49,293 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:21:49,293 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:21:49,293 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:21:49,293 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:21:49,293 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:21:49,293 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:21:49,293 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:21:49,294 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:21:49,294 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:21:49,294 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:21:49,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:21:49,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:21:49,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:21:49,294 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:21:49,294 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:21:49,295 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:21:49,295 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:21:49,295 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:21:49,295 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:21:49,295 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:21:49,295 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:21:49,295 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:21:49,295 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:21:49,296 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:21:49,296 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:21:49,296 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:21:49,296 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:21:49,297 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:21:49,297 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/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 -> cad73398e0cf8deb8923c0d0bd284c41454d0d9c [2018-11-18 15:21:49,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:21:49,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:21:49,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:21:49,333 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:21:49,334 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:21:49,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-11-18 15:21:49,372 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/data/22bccb79a/8fb5eb80d45b4529935ce526c3dac5e5/FLAGe3800073e [2018-11-18 15:21:49,793 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:21:49,793 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-11-18 15:21:49,800 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/data/22bccb79a/8fb5eb80d45b4529935ce526c3dac5e5/FLAGe3800073e [2018-11-18 15:21:49,811 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/data/22bccb79a/8fb5eb80d45b4529935ce526c3dac5e5 [2018-11-18 15:21:49,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:21:49,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:21:49,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:21:49,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:21:49,819 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:21:49,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:21:49" (1/1) ... [2018-11-18 15:21:49,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:49, skipping insertion in model container [2018-11-18 15:21:49,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:21:49" (1/1) ... [2018-11-18 15:21:49,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:21:49,857 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:21:50,054 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:21:50,062 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:21:50,165 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:21:50,183 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:21:50,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50 WrapperNode [2018-11-18 15:21:50,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:21:50,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:21:50,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:21:50,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:21:50,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:21:50,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:21:50,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:21:50,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:21:50,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... [2018-11-18 15:21:50,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:21:50,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:21:50,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:21:50,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:21:50,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/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 [2018-11-18 15:21:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:21:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:21:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:21:50,838 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:21:50,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:21:50 BoogieIcfgContainer [2018-11-18 15:21:50,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:21:50,840 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:21:50,840 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:21:50,843 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:21:50,844 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:21:50,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:21:49" (1/3) ... [2018-11-18 15:21:50,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@546b2861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:21:50, skipping insertion in model container [2018-11-18 15:21:50,845 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:21:50,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:21:50" (2/3) ... [2018-11-18 15:21:50,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@546b2861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:21:50, skipping insertion in model container [2018-11-18 15:21:50,845 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:21:50,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:21:50" (3/3) ... [2018-11-18 15:21:50,852 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-11-18 15:21:50,897 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:21:50,898 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:21:50,898 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:21:50,898 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:21:50,898 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:21:50,898 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:21:50,898 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:21:50,898 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:21:50,898 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:21:50,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states. [2018-11-18 15:21:50,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 15:21:50,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:21:50,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:21:50,942 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:21:50,942 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:21:50,942 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:21:50,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states. [2018-11-18 15:21:50,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 15:21:50,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:21:50,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:21:50,948 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:21:50,948 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:21:50,952 INFO L794 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 87#L716true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 25#L709true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 94#L724true main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 48#L813true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 54#L788true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 107#L834true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 150#L266-3true [2018-11-18 15:21:50,952 INFO L796 eck$LassoCheckResult]: Loop: 150#L266-3true assume true; 155#L266-1true assume !false; 119#L267true assume test_~splverifierCounter~0 < 4; 59#L268true test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 53#L276true assume !(0 != test_~tmp~3); 49#L276-2true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 114#L286true assume !(0 != test_~tmp___0~1); 109#L286-2true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 11#L296true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet23;havoc test_#t~nondet23; 43#L304true assume !(0 != test_~tmp___1~0); 28#L304-2true assume { :begin_inline_timeShift } true; 29#L59true assume !(0 != ~pumpRunning~0); 46#L59-2true assume !(0 != ~systemActive~0); 121#L66-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 67#L920-1true __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 106#L845true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 110#L845-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 23#L76true assume { :end_inline_timeShift } true; 150#L266-3true [2018-11-18 15:21:50,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:21:50,957 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:21:50,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:21:50,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:21:50,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:50,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:21:50,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:21:51,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1398996153, now seen corresponding path program 1 times [2018-11-18 15:21:51,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:21:51,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:21:51,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:21:51,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:21:51,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1556618736, now seen corresponding path program 1 times [2018-11-18 15:21:51,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:21:51,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:21:51,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:21:51,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:21:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:21:51,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:21:51,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:21:51,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:21:51,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:21:51,359 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 6 states. [2018-11-18 15:21:51,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:21:51,643 INFO L93 Difference]: Finished difference Result 525 states and 680 transitions. [2018-11-18 15:21:51,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:21:51,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 525 states and 680 transitions. [2018-11-18 15:21:51,653 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 344 [2018-11-18 15:21:51,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 525 states to 485 states and 640 transitions. [2018-11-18 15:21:51,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 485 [2018-11-18 15:21:51,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 485 [2018-11-18 15:21:51,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 485 states and 640 transitions. [2018-11-18 15:21:51,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:21:51,665 INFO L705 BuchiCegarLoop]: Abstraction has 485 states and 640 transitions. [2018-11-18 15:21:51,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states and 640 transitions. [2018-11-18 15:21:51,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 205. [2018-11-18 15:21:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-18 15:21:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2018-11-18 15:21:51,696 INFO L728 BuchiCegarLoop]: Abstraction has 205 states and 271 transitions. [2018-11-18 15:21:51,696 INFO L608 BuchiCegarLoop]: Abstraction has 205 states and 271 transitions. [2018-11-18 15:21:51,696 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:21:51,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 271 transitions. [2018-11-18 15:21:51,697 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2018-11-18 15:21:51,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:21:51,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:21:51,698 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:21:51,698 INFO L867 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, 1] [2018-11-18 15:21:51,699 INFO L794 eck$LassoCheckResult]: Stem: 832#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 110];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 102];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 44];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 80];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 117];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 109];#memory_int := #memory_int[#t~string10.base,4 + #t~string10.offset := 112];#memory_int := #memory_int[#t~string10.base,5 + #t~string10.offset := 58];#memory_int := #memory_int[#t~string10.base,6 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 41];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 32];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 10];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 727#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 728#L716 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 744#L709 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 745#L724 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 782#L813 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 783#L788 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 791#L834 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 742#L266-3 [2018-11-18 15:21:51,699 INFO L796 eck$LassoCheckResult]: Loop: 742#L266-3 assume true; 850#L266-1 assume !false; 833#L267 assume test_~splverifierCounter~0 < 4; 796#L268 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 789#L276 assume !(0 != test_~tmp~3); 784#L276-2 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 785#L286 assume !(0 != test_~tmp___0~1); 730#L286-2 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 718#L296 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet23;havoc test_#t~nondet23; 720#L304 assume !(0 != test_~tmp___1~0); 750#L304-2 assume { :begin_inline_timeShift } true; 751#L59 assume !(0 != ~pumpRunning~0); 752#L59-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 763#L117 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret0, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 764#L91-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 798#L83-3 assume { :end_inline_processEnvironment__wrappee__base } true; 799#L91-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 725#L117-1 assume { :end_inline_processEnvironment } true; 726#L66-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 801#L920-1 __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 802#L845 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 774#L845-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 741#L76 assume { :end_inline_timeShift } true; 742#L266-3 [2018-11-18 15:21:51,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:21:51,699 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:21:51,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:21:51,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:21:51,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:21:51,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:21:51,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1830549175, now seen corresponding path program 1 times [2018-11-18 15:21:51,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:21:51,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:21:51,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,757 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:21:51,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:21:51,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1640751698, now seen corresponding path program 1 times [2018-11-18 15:21:51,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:21:51,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:21:51,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:21:51,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:21:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:21:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:22:29,958 WARN L180 SmtUtils]: Spent 38.07 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:22:49,566 WARN L180 SmtUtils]: Spent 19.60 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:22:49,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:22:49 BoogieIcfgContainer [2018-11-18 15:22:49,628 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:22:49,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:22:49,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:22:49,628 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:22:49,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:21:50" (3/4) ... [2018-11-18 15:22:49,630 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:22:49,677 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b91cb60-8e13-4ca3-8bd0-a3b68878531e/bin-2019/uautomizer/witness.graphml [2018-11-18 15:22:49,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:22:49,678 INFO L168 Benchmark]: Toolchain (without parser) took 59864.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 956.6 MB in the beginning and 801.6 MB in the end (delta: 154.9 MB). Peak memory consumption was 385.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:49,679 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:22:49,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:49,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:49,680 INFO L168 Benchmark]: Boogie Preprocessor took 30.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:49,681 INFO L168 Benchmark]: RCFGBuilder took 577.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:49,681 INFO L168 Benchmark]: BuchiAutomizer took 58787.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 807.0 MB in the end (delta: 248.0 MB). Peak memory consumption was 320.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:49,681 INFO L168 Benchmark]: Witness Printer took 49.61 ms. Allocated memory is still 1.3 GB. Free memory was 807.0 MB in the beginning and 801.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:22:49,683 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 577.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 58787.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 807.0 MB in the end (delta: 248.0 MB). Peak memory consumption was 320.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.61 ms. Allocated memory is still 1.3 GB. Free memory was 807.0 MB in the beginning and 801.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 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 6 locations. The remainder module has 205 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 58.3s. 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, 280 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 205 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 211 SDtfs, 953 SDslu, 1273 SDs, 0 SdLazy, 52 SolverSat, 13 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: 266]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Env(Water:%i"=0, "__utac__get_this_arg"=0, ",Pump:"=19, "libacc.c"=24, "libacc.c"=0, "libacc.c"=31, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ")"=39, tmp=0, "Env(Water:%i"=36, "__utac__get_this_argtype"=35, methaneLevelCritical=0, "Off"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@327f7913=0, tmp=0, "CRIT"=0, ",Meth:"=0, "CRIT"=8, tmp___1=0, "Pump(System:"=0, "Off"=0, "On"=0, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=15, "i > 0 && i <= this->argsCount"=12, "Off"=17, "__utac__get_this_argtype"=26, NULL=0, systemActive=1, waterLevel=1, "Off"=0, "On"=0, retValue_acc=0, "On"=18, ",Pump:"=0, "__utac__get_this_arg"=29, "__utac__get_this_arg"=33, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "Pump(System:"=22, \result=1, "\n"=14, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7726cf7c=0, \result=0, "libacc.c"=27, ",Meth:"=37, "OK"=0, ") "=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c3e50c=0, "i > 0 && i <= this->argsCount"=0, "\n"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b7a3833=0, retValue_acc=1, ")"=0, tmp___2=0, tmp___0=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, "On"=11, "OK"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e074777=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ee10993=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61324e84=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bd439dd=0, ") "=16, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32c75a17=0, "i > 0 && i <= this->argsCount"=23, "i > 0 && i <= this->argsCount"=28, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 266]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L179] FCALL "Pump(System:" [L183] FCALL "On" [L187] FCALL "Off" [L191] FCALL ",Pump:" [L195] FCALL "On" [L199] FCALL "Off" [L203] FCALL ") " [L205] FCALL "\n" [L622] FCALL "i > 0 && i <= this->argsCount" [L622] FCALL "libacc.c" [L623] FCALL "__utac__get_this_arg" [L629] FCALL "i > 0 && i <= this->argsCount" [L629] FCALL "libacc.c" [L630] FCALL "__utac__get_this_arg" [L668] FCALL "i > 0 && i <= this->argsCount" [L668] FCALL "libacc.c" [L669] FCALL "__utac__get_this_argtype" [L675] FCALL "i > 0 && i <= this->argsCount" [L675] FCALL "libacc.c" [L676] FCALL "__utac__get_this_argtype" [L929] FCALL "Env(Water:%i" [L930] FCALL ",Meth:" [L934] FCALL "CRIT" [L938] FCALL "OK" [L942] FCALL ")" [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L729] int cleanupTimeShifts = 4; [L828] int methAndRunningLastTime ; [L877] int waterLevel = 1; [L878] int methaneLevelCritical = 0; [L494] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L804] int retValue_acc ; [L805] int tmp ; [L809] FCALL select_helpers() [L810] FCALL select_features() [L811] CALL, EXPR valid_product() [L720] int retValue_acc ; [L723] retValue_acc = 1 [L724] RET return (retValue_acc); [L811] EXPR valid_product() [L811] tmp = valid_product() [L813] COND TRUE \read(tmp) [L815] FCALL setup() [L816] CALL runTest() [L797] CALL __utac_acc__Specification2_spec__1() [L833] RET methAndRunningLastTime = 0 [L797] __utac_acc__Specification2_spec__1() [L798] CALL test() [L257] int splverifierCounter ; [L258] int tmp ; [L259] int tmp___0 ; [L260] int tmp___1 ; [L261] int tmp___2 ; [L264] splverifierCounter = 0 Loop: [L266] COND TRUE 1 [L268] COND TRUE splverifierCounter < 4 [L274] tmp = __VERIFIER_nondet_int() [L276] COND FALSE !(\read(tmp)) [L284] tmp___0 = __VERIFIER_nondet_int() [L286] COND FALSE !(\read(tmp___0)) [L294] tmp___2 = __VERIFIER_nondet_int() [L296] COND FALSE !(\read(tmp___2)) [L302] tmp___1 = __VERIFIER_nondet_int() [L304] COND FALSE !(\read(tmp___1)) [L313] CALL timeShift() [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L68] CALL processEnvironment() [L114] int tmp ; [L117] COND FALSE !(\read(pumpRunning)) [L132] CALL processEnvironment__wrappee__lowWaterSensor() [L88] int tmp ; [L91] COND FALSE !(\read(pumpRunning)) [L106] RET, FCALL processEnvironment__wrappee__base() [L132] RET processEnvironment__wrappee__lowWaterSensor() [L68] processEnvironment() [L74] CALL __utac_acc__Specification2_spec__2() [L838] int tmp ; [L839] int tmp___0 ; [L843] CALL, EXPR isMethaneLevelCritical() [L916] int retValue_acc ; [L919] retValue_acc = methaneLevelCritical [L920] RET return (retValue_acc); [L843] EXPR isMethaneLevelCritical() [L843] tmp = isMethaneLevelCritical() [L845] COND FALSE !(\read(tmp)) [L861] RET methAndRunningLastTime = 0 [L74] RET __utac_acc__Specification2_spec__2() [L313] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...