./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ad80e2d7767134fb761a45d54a404219df99a16 ......................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-8bd4bc6 [2020-07-29 02:31:49,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:31:49,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:31:49,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:31:49,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:31:49,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:31:49,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:31:49,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:31:49,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:31:49,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:31:49,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:31:49,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:31:49,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:31:49,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:31:49,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:31:49,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:31:49,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:31:49,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:31:49,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:31:49,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:31:49,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:31:49,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:31:49,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:31:49,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:31:49,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:31:49,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:31:49,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:31:49,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:31:49,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:31:49,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:31:49,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:31:49,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:31:49,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:31:49,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:31:49,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:31:49,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:31:49,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:31:49,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:31:49,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:31:49,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:31:49,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:31:49,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:31:49,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:31:49,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:31:49,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:31:49,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:31:49,257 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:31:49,257 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:31:49,257 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:31:49,257 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:31:49,258 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:31:49,258 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:31:49,258 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:31:49,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:31:49,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:31:49,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:31:49,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:31:49,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:31:49,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:31:49,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:31:49,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:31:49,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:31:49,262 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:31:49,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:31:49,262 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:31:49,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:31:49,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:31:49,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:31:49,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:31:49,263 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:31:49,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:31:49,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:31:49,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:31:49,264 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:31:49,265 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:31:49,265 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ad80e2d7767134fb761a45d54a404219df99a16 [2020-07-29 02:31:49,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:31:49,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:31:49,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:31:49,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:31:49,618 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:31:49,619 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-07-29 02:31:49,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a57600e3/4c19ba362bd84cd3b37ea436b8a31cdc/FLAG95163847b [2020-07-29 02:31:50,211 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:31:50,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-07-29 02:31:50,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a57600e3/4c19ba362bd84cd3b37ea436b8a31cdc/FLAG95163847b [2020-07-29 02:31:50,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a57600e3/4c19ba362bd84cd3b37ea436b8a31cdc [2020-07-29 02:31:50,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:31:50,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:31:50,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:31:50,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:31:50,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:31:50,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:31:50" (1/1) ... [2020-07-29 02:31:50,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b669b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:50, skipping insertion in model container [2020-07-29 02:31:50,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:31:50" (1/1) ... [2020-07-29 02:31:50,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:31:50,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:31:50,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:31:51,041 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:31:51,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:31:51,168 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:31:51,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51 WrapperNode [2020-07-29 02:31:51,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:31:51,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:31:51,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:31:51,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:31:51,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:31:51,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:31:51,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:31:51,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:31:51,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... [2020-07-29 02:31:51,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:31:51,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:31:51,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:31:51,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:31:51,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 02:31:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 02:31:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-29 02:31:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:31:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:31:52,819 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:31:52,820 INFO L295 CfgBuilder]: Removed 100 assume(true) statements. [2020-07-29 02:31:52,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:52 BoogieIcfgContainer [2020-07-29 02:31:52,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:31:52,826 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:31:52,826 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:31:52,830 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:31:52,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:52,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:31:50" (1/3) ... [2020-07-29 02:31:52,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56a2bfc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:31:52, skipping insertion in model container [2020-07-29 02:31:52,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:52,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:51" (2/3) ... [2020-07-29 02:31:52,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56a2bfc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:31:52, skipping insertion in model container [2020-07-29 02:31:52,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:52,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:52" (3/3) ... [2020-07-29 02:31:52,836 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-07-29 02:31:52,889 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:31:52,889 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:31:52,889 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:31:52,890 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:31:52,890 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:31:52,890 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:31:52,891 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:31:52,891 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:31:52,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2020-07-29 02:31:52,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-07-29 02:31:52,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:31:52,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:31:52,957 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:52,957 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:52,957 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:31:52,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2020-07-29 02:31:52,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-07-29 02:31:52,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:31:52,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:31:52,971 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:52,971 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:52,978 INFO L794 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 23#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 26#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 20#L73true main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 35#L878true assume 0 != main_~tmp~6; 62#L854true ~methAndRunningLastTime~0 := 0; 7#L387true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L398-1true [2020-07-29 02:31:52,979 INFO L796 eck$LassoCheckResult]: Loop: 10#L398-1true assume !false; 63#L94true assume test_~splverifierCounter~0 < 4; 42#L95true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 39#L103true assume !(0 != test_~tmp~0); 38#L103-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 11#L113true assume !(0 != test_~tmp___0~0); 9#L113-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 59#L123true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 27#L131-2true assume !(0 != ~pumpRunning~0); 36#L165true assume !(0 != ~systemActive~0); 47#L172true havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 16#L343-1true __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; 5#L398true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 10#L398-1true [2020-07-29 02:31:52,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:52,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-07-29 02:31:52,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:52,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325794394] [2020-07-29 02:31:52,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:53,234 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:53,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:53,374 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:53,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:53,376 INFO L82 PathProgramCache]: Analyzing trace with hash 3338059, now seen corresponding path program 1 times [2020-07-29 02:31:53,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:53,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228516145] [2020-07-29 02:31:53,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:31:53,485 INFO L280 TraceCheckUtils]: 0: Hoare triple {76#true} assume !false; {76#true} is VALID [2020-07-29 02:31:53,485 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#true} assume test_~splverifierCounter~0 < 4; {76#true} is VALID [2020-07-29 02:31:53,486 INFO L280 TraceCheckUtils]: 2: Hoare triple {76#true} test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {76#true} is VALID [2020-07-29 02:31:53,486 INFO L280 TraceCheckUtils]: 3: Hoare triple {76#true} assume !(0 != test_~tmp~0); {76#true} is VALID [2020-07-29 02:31:53,487 INFO L280 TraceCheckUtils]: 4: Hoare triple {76#true} test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {76#true} is VALID [2020-07-29 02:31:53,487 INFO L280 TraceCheckUtils]: 5: Hoare triple {76#true} assume !(0 != test_~tmp___0~0); {76#true} is VALID [2020-07-29 02:31:53,488 INFO L280 TraceCheckUtils]: 6: Hoare triple {76#true} test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {76#true} is VALID [2020-07-29 02:31:53,489 INFO L280 TraceCheckUtils]: 7: Hoare triple {76#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {78#(<= 1 ~systemActive~0)} is VALID [2020-07-29 02:31:53,490 INFO L280 TraceCheckUtils]: 8: Hoare triple {78#(<= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {78#(<= 1 ~systemActive~0)} is VALID [2020-07-29 02:31:53,491 INFO L280 TraceCheckUtils]: 9: Hoare triple {78#(<= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {77#false} is VALID [2020-07-29 02:31:53,492 INFO L280 TraceCheckUtils]: 10: Hoare triple {77#false} havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {77#false} is VALID [2020-07-29 02:31:53,492 INFO L280 TraceCheckUtils]: 11: Hoare triple {77#false} __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; {77#false} is VALID [2020-07-29 02:31:53,492 INFO L280 TraceCheckUtils]: 12: Hoare triple {77#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; {77#false} is VALID [2020-07-29 02:31:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:31:53,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228516145] [2020-07-29 02:31:53,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:31:53,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 02:31:53,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686519986] [2020-07-29 02:31:53,505 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-29 02:31:53,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:31:53,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 02:31:53,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 02:31:53,524 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 3 states. [2020-07-29 02:31:53,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:31:53,768 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2020-07-29 02:31:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 02:31:53,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:31:53,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:31:53,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 96 transitions. [2020-07-29 02:31:53,811 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-07-29 02:31:53,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2020-07-29 02:31:53,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2020-07-29 02:31:53,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2020-07-29 02:31:53,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2020-07-29 02:31:53,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:31:53,826 INFO L688 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-07-29 02:31:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2020-07-29 02:31:53,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-07-29 02:31:53,869 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:31:53,869 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states and 88 transitions. Second operand 63 states. [2020-07-29 02:31:53,870 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states and 88 transitions. Second operand 63 states. [2020-07-29 02:31:53,872 INFO L87 Difference]: Start difference. First operand 63 states and 88 transitions. Second operand 63 states. [2020-07-29 02:31:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:31:53,886 INFO L93 Difference]: Finished difference Result 63 states and 88 transitions. [2020-07-29 02:31:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2020-07-29 02:31:53,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:31:53,889 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:31:53,889 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states and 88 transitions. [2020-07-29 02:31:53,890 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states and 88 transitions. [2020-07-29 02:31:53,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:31:53,901 INFO L93 Difference]: Finished difference Result 63 states and 88 transitions. [2020-07-29 02:31:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2020-07-29 02:31:53,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:31:53,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:31:53,903 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:31:53,904 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:31:53,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-29 02:31:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2020-07-29 02:31:53,915 INFO L711 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-07-29 02:31:53,915 INFO L591 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-07-29 02:31:53,915 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:31:53,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2020-07-29 02:31:53,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-07-29 02:31:53,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:31:53,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:31:53,926 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:53,926 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:53,927 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 182#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 183#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 180#L73 main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 181#L878 assume 0 != main_~tmp~6; 197#L854 ~methAndRunningLastTime~0 := 0; 160#L387 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 153#L398-1 [2020-07-29 02:31:53,927 INFO L796 eck$LassoCheckResult]: Loop: 153#L398-1 assume !false; 165#L94 assume test_~splverifierCounter~0 < 4; 199#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 198#L103 assume !(0 != test_~tmp~0); 185#L103-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 166#L113 assume !(0 != test_~tmp___0~0); 161#L113-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 162#L123 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 188#L131-2 assume !(0 != ~pumpRunning~0); 189#L165 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 157#L197 assume !(0 != ~pumpRunning~0); 158#L172 havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 174#L343-1 __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; 151#L398 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 153#L398-1 [2020-07-29 02:31:53,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:53,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-07-29 02:31:53,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:53,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882750024] [2020-07-29 02:31:53,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:54,022 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:54,071 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:54,103 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:54,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:54,104 INFO L82 PathProgramCache]: Analyzing trace with hash 82951361, now seen corresponding path program 1 times [2020-07-29 02:31:54,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:54,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666692579] [2020-07-29 02:31:54,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:54,113 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:54,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:54,126 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:54,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:54,127 INFO L82 PathProgramCache]: Analyzing trace with hash 145339271, now seen corresponding path program 1 times [2020-07-29 02:31:54,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:54,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846493209] [2020-07-29 02:31:54,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:54,230 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:54,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:54,334 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:32:42,122 WARN L193 SmtUtils]: Spent 47.64 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2020-07-29 02:33:23,690 WARN L193 SmtUtils]: Spent 41.24 s on a formula simplification that was a NOOP. DAG size: 402 [2020-07-29 02:33:24,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:33:24 BoogieIcfgContainer [2020-07-29 02:33:24,059 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:33:24,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:33:24,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:33:24,060 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:33:24,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:52" (3/4) ... [2020-07-29 02:33:24,066 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 02:33:24,174 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 02:33:24,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:33:24,177 INFO L168 Benchmark]: Toolchain (without parser) took 93706.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -123.7 MB). Peak memory consumption was 147.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:24,178 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:33:24,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:24,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:33:24,180 INFO L168 Benchmark]: Boogie Preprocessor took 53.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:24,181 INFO L168 Benchmark]: RCFGBuilder took 1509.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 940.5 MB in the end (delta: 124.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:24,182 INFO L168 Benchmark]: BuchiAutomizer took 91233.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 347.1 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:24,182 INFO L168 Benchmark]: Witness Printer took 114.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:24,186 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 695.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1509.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 940.5 MB in the end (delta: 124.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 91233.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 347.1 MB. Max. memory is 11.5 GB. * Witness Printer took 114.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 3 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 91.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 90.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 93 SDtfs, 93 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 93]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=5268, NULL=5260, NULL=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7403df1d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5617378f=47, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e56b3b=0, NULL=5266, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25185f50=0, retValue_acc=0, NULL=5264, NULL=5263, methaneLevelCritical=0, NULL=5250, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=5254, NULL=5262, cleanupTimeShifts=4, tmp=0, NULL=5255, NULL=5261, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c26f765=0, NULL=5269, NULL=0, NULL=5256, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=5249, head=0, pumpRunning=0, NULL=5258, \result=0, NULL=5257, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32d150fa=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f7f7c22=0, NULL=5259, NULL=5247, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d2838a5=0, retValue_acc=1, tmp___2=47, tmp___0=0, NULL=5267, NULL=5246, splverifierCounter=0, methAndRunningLastTime=0, \result=0, tmp=0, head=0, NULL=0, NULL=0, NULL=5245, NULL=0, NULL=0, NULL=5251, NULL=5248, NULL=0, NULL=5265, NULL=5253, tmp=0, NULL=5252} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L300] int waterLevel = 1; [L301] int methaneLevelCritical = 0; [L381] int methAndRunningLastTime ; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L795] int cleanupTimeShifts = 4; [L869] int retValue_acc ; [L870] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L876] tmp = valid_product() [L878] COND TRUE \read(tmp) [L386] methAndRunningLastTime = 0 [L84] int splverifierCounter ; [L85] int tmp ; [L86] int tmp___0 ; [L87] int tmp___1 ; [L88] int tmp___2 ; [L91] splverifierCounter = 0 Loop: [L93] COND TRUE 1 [L95] COND TRUE splverifierCounter < 4 [L101] tmp = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp)) [L111] tmp___0 = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp___0)) [L121] tmp___2 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___2) [L294] systemActive = 1 [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L194] int tmp ; [L197] COND FALSE !(\read(pumpRunning)) [L391] int tmp ; [L392] int tmp___0 ; [L339] int retValue_acc ; [L342] retValue_acc = methaneLevelCritical [L343] return (retValue_acc); [L396] tmp = isMethaneLevelCritical() [L398] COND FALSE !(\read(tmp)) [L414] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...