./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 f470102c 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 0.1.25-f470102 [2019-11-28 21:01:16,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:01:16,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:01:16,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:01:16,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:01:16,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:01:16,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:01:16,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:01:16,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:01:16,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:01:16,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:01:16,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:01:16,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:01:16,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:01:16,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:01:16,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:01:16,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:01:16,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:01:16,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:01:16,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:01:16,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:01:16,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:01:16,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:01:16,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:01:16,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:01:16,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:01:16,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:01:16,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:01:16,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:01:16,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:01:16,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:01:16,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:01:16,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:01:16,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:01:16,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:01:16,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:01:16,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:01:16,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:01:16,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:01:16,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:01:16,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:01:16,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:01:16,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:01:16,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:01:16,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:01:16,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:01:16,226 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:01:16,226 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:01:16,226 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:01:16,226 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:01:16,227 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:01:16,228 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:01:16,231 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:01:16,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:01:16,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:01:16,232 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:01:16,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:01:16,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:01:16,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:01:16,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:01:16,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:01:16,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:01:16,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:01:16,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:01:16,234 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:01:16,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:01:16,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:01:16,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:01:16,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:01:16,236 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:01:16,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:01:16,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:01:16,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:01:16,238 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:01:16,239 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:01:16,239 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 21:01:16,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:01:16,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:01:16,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:01:16,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:01:16,552 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:01:16,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2019-11-28 21:01:16,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8bda1e0/db69716f1a1e4f478c3a2b577c1af31b/FLAG7eb1f6f3c [2019-11-28 21:01:17,206 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:01:17,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2019-11-28 21:01:17,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8bda1e0/db69716f1a1e4f478c3a2b577c1af31b/FLAG7eb1f6f3c [2019-11-28 21:01:17,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8bda1e0/db69716f1a1e4f478c3a2b577c1af31b [2019-11-28 21:01:17,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:01:17,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:01:17,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:01:17,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:01:17,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:01:17,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:01:17" (1/1) ... [2019-11-28 21:01:17,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cba604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:17, skipping insertion in model container [2019-11-28 21:01:17,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:01:17" (1/1) ... [2019-11-28 21:01:17,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:01:17,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:01:18,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:01:18,084 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:01:18,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:01:18,240 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:01:18,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18 WrapperNode [2019-11-28 21:01:18,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:01:18,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:01:18,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:01:18,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:01:18,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:01:18,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:01:18,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:01:18,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:01:18,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (1/1) ... [2019-11-28 21:01:18,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:01:18,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:01:18,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:01:18,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:01:18,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (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 21:01:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:01:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:01:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:01:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:01:19,130 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:01:19,131 INFO L287 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-28 21:01:19,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:01:19 BoogieIcfgContainer [2019-11-28 21:01:19,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:01:19,133 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:01:19,133 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:01:19,137 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:01:19,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:01:19,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:01:17" (1/3) ... [2019-11-28 21:01:19,140 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cc3598c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:01:19, skipping insertion in model container [2019-11-28 21:01:19,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:01:19,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:01:18" (2/3) ... [2019-11-28 21:01:19,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cc3598c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:01:19, skipping insertion in model container [2019-11-28 21:01:19,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:01:19,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:01:19" (3/3) ... [2019-11-28 21:01:19,143 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2019-11-28 21:01:19,190 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:01:19,190 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:01:19,191 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:01:19,191 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:01:19,191 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:01:19,192 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:01:19,192 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:01:19,192 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:01:19,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2019-11-28 21:01:19,232 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 21:01:19,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:01:19,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:01:19,242 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:01:19,242 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:01:19,242 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:01:19,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2019-11-28 21:01:19,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 21:01:19,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:01:19,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:01:19,248 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:01:19,249 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:01:19,254 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 21:01:19,255 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 21:01:19,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:01:19,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-28 21:01:19,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:01:19,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100115897] [2019-11-28 21:01:19,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:01:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:01:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:01:19,731 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:01:19,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:01:19,733 INFO L82 PathProgramCache]: Analyzing trace with hash 2663790, now seen corresponding path program 1 times [2019-11-28 21:01:19,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:01:19,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229286631] [2019-11-28 21:01:19,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:01:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:01:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:01:19,768 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:01:19,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:01:19,770 INFO L82 PathProgramCache]: Analyzing trace with hash 835960296, now seen corresponding path program 1 times [2019-11-28 21:01:19,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:01:19,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039538283] [2019-11-28 21:01:19,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:01:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:01:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:01:19,936 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:01:20,042 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-11-28 21:01:46,214 WARN L192 SmtUtils]: Spent 26.11 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-28 21:01:57,855 WARN L192 SmtUtils]: Spent 11.62 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-28 21:01:57,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:01:57 BoogieIcfgContainer [2019-11-28 21:01:57,930 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:01:57,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:01:57,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:01:57,931 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:01:57,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:01:19" (3/4) ... [2019-11-28 21:01:57,935 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 21:01:57,991 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 21:01:57,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:01:57,995 INFO L168 Benchmark]: Toolchain (without parser) took 40457.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -335.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:01:57,998 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:01:58,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 21:01:58,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.03 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 21:01:58,003 INFO L168 Benchmark]: Boogie Preprocessor took 37.06 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 21:01:58,005 INFO L168 Benchmark]: RCFGBuilder took 781.48 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2019-11-28 21:01:58,006 INFO L168 Benchmark]: BuchiAutomizer took 38797.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -220.8 MB). Peak memory consumption was 360.9 MB. Max. memory is 11.5 GB. [2019-11-28 21:01:58,007 INFO L168 Benchmark]: Witness Printer took 60.28 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-28 21:01:58,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 704.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.03 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.06 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 781.48 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38797.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -220.8 MB). Peak memory consumption was 360.9 MB. Max. memory is 11.5 GB. * Witness Printer took 60.28 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. 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 38.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 38.6s. 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@923b491=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@761cc49a=60, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57bfd888=0, NULL=813, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d73056b=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@16101632=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@2c513894=0, NULL=0, NULL=824, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d02873=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...