./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_product10.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 70ea5eb10d82b903f50468d78668817b6c6916a6 .......................................................................................................................................................................................................................................................................................................... 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 0.1.24-30f4e4a [2019-11-28 03:28:49,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:28:49,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:28:49,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:28:49,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:28:49,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:28:49,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:28:49,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:28:49,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:28:49,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:28:49,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:28:49,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:28:49,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:28:49,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:28:49,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:28:49,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:28:49,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:28:49,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:28:49,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:28:49,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:28:49,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:28:49,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:28:49,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:28:49,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:28:49,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:28:49,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:28:49,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:28:49,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:28:49,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:28:49,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:28:49,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:28:49,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:28:49,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:28:49,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:28:49,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:28:49,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:28:49,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:28:49,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:28:49,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:28:49,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:28:49,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:28:49,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:28:49,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:28:49,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:28:49,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:28:49,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:28:49,159 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:28:49,160 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:28:49,160 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:28:49,160 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:28:49,160 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:28:49,160 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:28:49,161 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:28:49,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:28:49,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:28:49,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:28:49,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:28:49,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:28:49,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:28:49,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:28:49,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:28:49,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:28:49,163 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:28:49,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:28:49,163 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:28:49,163 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:28:49,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:28:49,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:28:49,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:28:49,164 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:28:49,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:28:49,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:28:49,165 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:28:49,166 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:28:49,166 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 -> 70ea5eb10d82b903f50468d78668817b6c6916a6 [2019-11-28 03:28:49,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:28:49,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:28:49,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:28:49,489 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:28:49,489 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:28:49,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2019-11-28 03:28:49,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e802eb3e1/932d9e1ab8c4419da543513eab9c96b0/FLAGc73cdf07d [2019-11-28 03:28:50,121 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:28:50,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2019-11-28 03:28:50,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e802eb3e1/932d9e1ab8c4419da543513eab9c96b0/FLAGc73cdf07d [2019-11-28 03:28:50,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e802eb3e1/932d9e1ab8c4419da543513eab9c96b0 [2019-11-28 03:28:50,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:28:50,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:28:50,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:28:50,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:28:50,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:28:50,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:28:50" (1/1) ... [2019-11-28 03:28:50,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d50e01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:50, skipping insertion in model container [2019-11-28 03:28:50,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:28:50" (1/1) ... [2019-11-28 03:28:50,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:28:50,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:28:50,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:28:51,003 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:28:51,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:28:51,145 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:28:51,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51 WrapperNode [2019-11-28 03:28:51,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:28:51,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:28:51,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:28:51,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:28:51,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:28:51,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:28:51,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:28:51,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:28:51,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (1/1) ... [2019-11-28 03:28:51,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:28:51,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:28:51,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:28:51,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:28:51,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (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 [2019-11-28 03:28:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:28:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:28:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:28:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:28:51,985 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:28:51,986 INFO L297 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-28 03:28:51,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:51 BoogieIcfgContainer [2019-11-28 03:28:51,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:28:51,988 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:28:51,989 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:28:51,992 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:28:51,993 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:51,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:28:50" (1/3) ... [2019-11-28 03:28:51,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44392358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:28:51, skipping insertion in model container [2019-11-28 03:28:51,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:51,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:51" (2/3) ... [2019-11-28 03:28:51,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44392358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:28:51, skipping insertion in model container [2019-11-28 03:28:51,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:51,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:51" (3/3) ... [2019-11-28 03:28:51,998 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2019-11-28 03:28:52,039 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:28:52,039 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:28:52,040 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:28:52,040 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:28:52,040 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:28:52,040 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:28:52,040 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:28:52,041 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:28:52,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2019-11-28 03:28:52,078 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 03:28:52,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:28:52,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:28:52,086 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:52,087 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:52,087 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:28:52,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2019-11-28 03:28:52,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 03:28:52,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:28:52,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:28:52,093 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:52,094 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:52,098 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 14#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; 5#L526true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 32#L534true main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 60#L869true assume 0 != main_~tmp~6; 30#L845true ~methAndRunningLastTime~0 := 0; 21#L753true havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L764-1true [2019-11-28 03:28:52,099 INFO L796 eck$LassoCheckResult]: Loop: 23#L764-1true assume !false; 35#L553true assume test_~splverifierCounter~0 < 4; 53#L554true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 56#L562true assume !(0 != test_~tmp~3); 59#L562-1true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 48#L572true assume !(0 != test_~tmp___0~0); 49#L572-1true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 42#L582true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 44#L590-2true assume !(0 != ~pumpRunning~0); 8#L621true assume 0 != ~systemActive~0; 54#L628true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 22#L98true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 19#L764true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 23#L764-1true [2019-11-28 03:28:52,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:52,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-28 03:28:52,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:52,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894907799] [2019-11-28 03:28:52,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:52,539 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:52,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:52,541 INFO L82 PathProgramCache]: Analyzing trace with hash 2663790, now seen corresponding path program 1 times [2019-11-28 03:28:52,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:52,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264477084] [2019-11-28 03:28:52,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:52,574 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:52,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:52,577 INFO L82 PathProgramCache]: Analyzing trace with hash 835960296, now seen corresponding path program 1 times [2019-11-28 03:28:52,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:52,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290722884] [2019-11-28 03:28:52,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:52,734 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:52,842 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-11-28 03:29:18,692 WARN L192 SmtUtils]: Spent 25.79 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-28 03:29:30,313 WARN L192 SmtUtils]: Spent 11.59 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-28 03:29:30,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:29:30 BoogieIcfgContainer [2019-11-28 03:29:30,407 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:29:30,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:29:30,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:29:30,409 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:29:30,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:51" (3/4) ... [2019-11-28 03:29:30,413 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:29:30,476 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:29:30,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:29:30,481 INFO L168 Benchmark]: Toolchain (without parser) took 40051.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 956.3 MB in the beginning and 1.3 GB in the end (delta: -332.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:29:30,482 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:29:30,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:30,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.59 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:30,486 INFO L168 Benchmark]: Boogie Preprocessor took 38.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:29:30,487 INFO L168 Benchmark]: RCFGBuilder took 729.60 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:30,488 INFO L168 Benchmark]: BuchiAutomizer took 38418.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -218.7 MB). Peak memory consumption was 372.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:30,491 INFO L168 Benchmark]: Witness Printer took 70.82 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:29:30,496 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 716.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.59 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 729.60 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38418.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -218.7 MB). Peak memory consumption was 372.5 MB. Max. memory is 11.5 GB. * Witness Printer took 70.82 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 38.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 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: 552]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=808} State at position 1 is {NULL=0, retValue_acc=0, NULL=829, NULL=815, NULL=0, NULL=808, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53171443=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fc52220=60, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d8d5659=0, NULL=813, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a08942f=0, NULL=0, NULL=817, NULL=831, NULL=0, retValue_acc=0, methaneLevelCritical=0, NULL=816, tmp=0, NULL=0, NULL=821, NULL=830, NULL=0, tmp___1=0, NULL=820, NULL=825, NULL=828, cleanupTimeShifts=4, NULL=826, NULL=818, NULL=832, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=810, \result=0, NULL=0, tmp=1, retValue_acc=1, NULL=827, NULL=819, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2455808a=0, NULL=809, tmp___2=60, tmp___0=0, NULL=823, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=814, NULL=833, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f9e57fe=0, NULL=0, NULL=824, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@260320d5=0, NULL=0, NULL=0, NULL=812, NULL=0, NULL=811, tmp=0, NULL=822} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L55] int waterLevel = 1; [L56] int methaneLevelCritical = 0; [L304] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L747] int methAndRunningLastTime ; [L786] int cleanupTimeShifts = 4; [L860] int retValue_acc ; [L861] int tmp ; [L530] int retValue_acc ; [L533] retValue_acc = 1 [L534] return (retValue_acc); [L867] tmp = valid_product() [L869] COND TRUE \read(tmp) [L752] methAndRunningLastTime = 0 [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 Loop: [L552] COND TRUE 1 [L554] COND TRUE splverifierCounter < 4 [L560] tmp = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp)) [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___2) [L742] systemActive = 1 [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L757] int tmp ; [L758] int tmp___0 ; [L94] int retValue_acc ; [L97] retValue_acc = methaneLevelCritical [L98] return (retValue_acc); [L762] tmp = isMethaneLevelCritical() [L764] COND FALSE !(\read(tmp)) [L780] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...