./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e00f12062c7c62f6aec19aeda9d058e37c16487 .................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:45:28,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:28,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:28,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:28,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:28,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:28,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:28,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:28,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:28,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:28,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:28,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:28,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:28,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:28,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:28,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:28,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:28,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:28,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:28,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:28,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:28,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:28,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:28,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:28,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:28,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:28,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:28,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:28,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:28,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:28,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:28,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:28,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:28,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:28,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:28,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:28,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:28,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:28,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:28,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:28,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:28,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:45:28,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:28,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:28,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:28,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:28,283 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:28,284 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:45:28,284 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:45:28,284 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:45:28,284 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:45:28,284 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:45:28,285 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:45:28,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:28,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:28,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:45:28,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:45:28,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:28,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:28,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:45:28,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:45:28,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:45:28,286 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:28,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:28,287 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:45:28,287 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:28,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:45:28,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:28,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:28,288 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:45:28,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:28,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:45:28,288 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:45:28,289 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:45:28,289 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e00f12062c7c62f6aec19aeda9d058e37c16487 [2019-11-25 08:45:28,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:28,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:28,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:28,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:28,443 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:28,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2019-11-25 08:45:28,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/data/279ce527b/5a2b272cdf5e445bbfb740a6784bd1b1/FLAG61f3932ed [2019-11-25 08:45:29,003 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:29,005 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2019-11-25 08:45:29,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/data/279ce527b/5a2b272cdf5e445bbfb740a6784bd1b1/FLAG61f3932ed [2019-11-25 08:45:29,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/data/279ce527b/5a2b272cdf5e445bbfb740a6784bd1b1 [2019-11-25 08:45:29,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:29,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:29,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:29,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:29,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:29,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:29" (1/1) ... [2019-11-25 08:45:29,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39798be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:29, skipping insertion in model container [2019-11-25 08:45:29,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:29" (1/1) ... [2019-11-25 08:45:29,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:29,542 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:29,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:29,906 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:29,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:30,018 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:30,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30 WrapperNode [2019-11-25 08:45:30,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:30,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:30,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:30,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:30,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:30,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:30,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:30,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:30,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... [2019-11-25 08:45:30,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:30,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:30,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:30,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:30,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:45:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:45:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:45:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:30,734 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:30,735 INFO L284 CfgBuilder]: Removed 66 assume(true) statements. [2019-11-25 08:45:30,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:30 BoogieIcfgContainer [2019-11-25 08:45:30,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:30,737 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:45:30,737 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:45:30,740 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:45:30,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:45:30,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:45:29" (1/3) ... [2019-11-25 08:45:30,742 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a87b3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:45:30, skipping insertion in model container [2019-11-25 08:45:30,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:45:30,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:30" (2/3) ... [2019-11-25 08:45:30,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a87b3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:45:30, skipping insertion in model container [2019-11-25 08:45:30,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:45:30,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:30" (3/3) ... [2019-11-25 08:45:30,747 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2019-11-25 08:45:30,803 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:45:30,804 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:45:30,804 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:45:30,805 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:30,805 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:30,805 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:45:30,805 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:30,805 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:45:30,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-11-25 08:45:30,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-25 08:45:30,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:45:30,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:45:30,863 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:45:30,863 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:30,863 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:45:30,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-11-25 08:45:30,867 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-25 08:45:30,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:45:30,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:45:30,868 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:45:30,868 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:30,872 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);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(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 17#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; 8#L73true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 52#L624true assume 0 != main_~tmp~3; 22#L600true havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L840-1true [2019-11-25 08:45:30,873 INFO L796 eck$LassoCheckResult]: Loop: 49#L840-1true assume !false; 9#L778true assume test_~splverifierCounter~0 < 4; 25#L779true test_~tmp~5 := test_#t~nondet65;havoc test_#t~nondet65; 28#L787true assume !(0 != test_~tmp~5); 29#L787-1true test_~tmp___0~0 := test_#t~nondet66;havoc test_#t~nondet66; 16#L797true assume !(0 != test_~tmp___0~0); 19#L797-1true test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 50#L807true assume 0 != test_~tmp___2~0; 32#L813-2true assume !(0 != ~pumpRunning~0); 35#L649true assume 0 != ~systemActive~0; 39#L656true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 3#L493true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 47#L840true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 49#L840-1true [2019-11-25 08:45:30,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:30,889 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-25 08:45:30,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:30,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908183276] [2019-11-25 08:45:30,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:31,308 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:31,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:31,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2019-11-25 08:45:31,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:31,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126537048] [2019-11-25 08:45:31,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:31,340 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:31,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:31,341 INFO L82 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2019-11-25 08:45:31,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:31,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983260929] [2019-11-25 08:45:31,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:31,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:59,989 WARN L192 SmtUtils]: Spent 28.39 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-25 08:46:12,943 WARN L192 SmtUtils]: Spent 12.95 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-25 08:46:13,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:46:13 BoogieIcfgContainer [2019-11-25 08:46:13,002 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:46:13,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:46:13,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:46:13,003 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:46:13,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:30" (3/4) ... [2019-11-25 08:46:13,006 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:46:13,051 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5e8b947f-be2b-4901-b806-f58f83d1f103/bin/uautomizer/witness.graphml [2019-11-25 08:46:13,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:46:13,052 INFO L168 Benchmark]: Toolchain (without parser) took 43582.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.1 MB). Free memory was 950.2 MB in the beginning and 881.7 MB in the end (delta: 68.5 MB). Peak memory consumption was 254.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:13,053 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:13,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:13,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.54 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. [2019-11-25 08:46:13,055 INFO L168 Benchmark]: Boogie Preprocessor took 33.88 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:13,055 INFO L168 Benchmark]: RCFGBuilder took 630.05 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:13,056 INFO L168 Benchmark]: BuchiAutomizer took 42265.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 884.6 MB in the end (delta: 179.6 MB). Peak memory consumption was 240.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:13,056 INFO L168 Benchmark]: Witness Printer took 48.17 ms. Allocated memory is still 1.2 GB. Free memory was 884.6 MB in the beginning and 881.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:13,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.54 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. * Boogie Preprocessor took 33.88 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 630.05 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42265.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 884.6 MB in the end (delta: 179.6 MB). Peak memory consumption was 240.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.17 ms. Allocated memory is still 1.2 GB. Free memory was 884.6 MB in the beginning and 881.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 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 42.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 42.1s. 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: 777]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6694} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b2661cb=0, NULL=0, NULL=0, NULL=0, NULL=6694, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=10031, NULL=10021, methaneLevelCritical=0, NULL=10024, tmp=0, NULL=10017, NULL=10022, tmp___1=0, NULL=10034, NULL=10028, tmp___0=0, NULL=10027, NULL=10036, NULL=10019, cleanupTimeShifts=4, NULL=10038, NULL=10039, NULL=10033, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=10032, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=10025, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=10020, NULL=10026, tmp=1, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36229448=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61946565=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60d82581=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fa7b67=0, NULL=10029, retValue_acc=1, tmp___2=55, NULL=10041, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c70d065=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75452c56=0, NULL=0, NULL=10030, NULL=0, NULL=10040, NULL=0, NULL=10037, NULL=0, NULL=0, NULL=0, NULL=0, NULL=10023, NULL=10018, NULL=10035} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L641] int pumpRunning = 0; [L642] int systemActive = 1; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L615] int retValue_acc ; [L616] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L622] tmp = valid_product() [L624] COND TRUE \read(tmp) [L768] int splverifierCounter ; [L769] int tmp ; [L770] int tmp___0 ; [L771] int tmp___1 ; [L772] int tmp___2 ; [L775] splverifierCounter = 0 Loop: [L777] COND TRUE 1 [L779] COND TRUE splverifierCounter < 4 [L785] tmp = __VERIFIER_nondet_int() [L787] COND FALSE !(\read(tmp)) [L795] tmp___0 = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp___0)) [L805] tmp___2 = __VERIFIER_nondet_int() [L807] COND TRUE \read(tmp___2) [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L833] int tmp ; [L834] int tmp___0 ; [L489] int retValue_acc ; [L492] retValue_acc = methaneLevelCritical [L493] return (retValue_acc); [L838] tmp = isMethaneLevelCritical() [L840] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...