./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/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 0b5369e4c405e8397dff04a83a57a11661bb278d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 22:05:30,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:05:30,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:05:30,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:05:30,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:05:30,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:05:30,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:05:30,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:05:30,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:05:30,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:05:30,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:05:30,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:05:30,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:05:30,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:05:30,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:05:30,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:05:30,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:05:30,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:05:30,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:05:30,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:05:30,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:05:30,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:05:30,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:05:30,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:05:30,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:05:30,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:05:30,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:05:30,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:05:30,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:05:30,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:05:30,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:05:30,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:05:30,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:05:30,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:05:30,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:05:30,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:05:30,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:05:30,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:05:30,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:05:30,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:05:30,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:05:30,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:05:30,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:05:30,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:05:30,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:05:30,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:05:30,135 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:05:30,135 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:05:30,135 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:05:30,136 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:05:30,136 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:05:30,136 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:05:30,136 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:05:30,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:05:30,137 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:05:30,137 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:05:30,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:05:30,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:05:30,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:05:30,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:05:30,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:05:30,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:05:30,138 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:05:30,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:05:30,139 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:05:30,139 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:05:30,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:05:30,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:05:30,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:05:30,140 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:05:30,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:05:30,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:05:30,141 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:05:30,142 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:05:30,142 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_aabce486-2478-46cc-bda4-38266df805c2/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 -> 0b5369e4c405e8397dff04a83a57a11661bb278d [2019-11-19 22:05:30,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:05:30,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:05:30,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:05:30,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:05:30,308 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:05:30,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2019-11-19 22:05:30,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/data/ee2f4734a/ce6a795ee47a4061ace01918df1768db/FLAG9a8227b49 [2019-11-19 22:05:30,925 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:05:30,926 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2019-11-19 22:05:30,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/data/ee2f4734a/ce6a795ee47a4061ace01918df1768db/FLAG9a8227b49 [2019-11-19 22:05:31,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/data/ee2f4734a/ce6a795ee47a4061ace01918df1768db [2019-11-19 22:05:31,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:05:31,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:05:31,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:05:31,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:05:31,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:05:31,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:31,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ca5aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31, skipping insertion in model container [2019-11-19 22:05:31,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:31,179 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:05:31,239 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:05:31,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:05:31,674 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:05:31,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:05:31,891 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:05:31,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31 WrapperNode [2019-11-19 22:05:31,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:05:31,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:05:31,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:05:31,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:05:31,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:31,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:32,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:05:32,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:05:32,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:05:32,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:05:32,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:32,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:32,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:32,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:32,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:32,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:32,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2019-11-19 22:05:32,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:05:32,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:05:32,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:05:32,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:05:32,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/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 [2019-11-19 22:05:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:05:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:05:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:05:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:05:34,595 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:05:34,595 INFO L285 CfgBuilder]: Removed 906 assume(true) statements. [2019-11-19 22:05:34,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:05:34 BoogieIcfgContainer [2019-11-19 22:05:34,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:05:34,597 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:05:34,597 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:05:34,601 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:05:34,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:05:34,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:05:31" (1/3) ... [2019-11-19 22:05:34,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c8ee36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:05:34, skipping insertion in model container [2019-11-19 22:05:34,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:05:34,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (2/3) ... [2019-11-19 22:05:34,605 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c8ee36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:05:34, skipping insertion in model container [2019-11-19 22:05:34,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:05:34,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:05:34" (3/3) ... [2019-11-19 22:05:34,608 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2019-11-19 22:05:34,662 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:05:34,662 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:05:34,662 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:05:34,663 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:05:34,663 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:05:34,663 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:05:34,663 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:05:34,663 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:05:34,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 473 states. [2019-11-19 22:05:34,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 309 [2019-11-19 22:05:34,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:05:34,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:05:34,768 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:05:34,768 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:05:34,769 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:05:34,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 473 states. [2019-11-19 22:05:34,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 309 [2019-11-19 22:05:34,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:05:34,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:05:34,793 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:05:34,793 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:05:34,801 INFO L794 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(13);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(77, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(101, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(116, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(104, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string78.base, #t~string78.offset, 1);call write~init~int(82, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(73, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(84, #t~string78.base, 3 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 4 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(75, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 2 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 1 + #t~string82.offset, 1); 259#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 355#L969true havoc select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68, select_features_#t~ret69;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 466#L944true select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 468#L944-1true select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret65;havoc select_features_#t~ret65;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 456#L944-2true select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 458#L944-3true select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 460#L944-4true select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret68;havoc select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 461#L944-5true select_features_#t~ret69 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret69;havoc select_features_#t~ret69; 184#L961true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~9; 464#L977true main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 175#L496true assume 0 != main_~tmp~3; 424#L469true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 465#L999-1true [2019-11-19 22:05:34,802 INFO L796 eck$LassoCheckResult]: Loop: 465#L999-1true assume !false; 208#L531true assume test_~splverifierCounter~0 < 4; 34#L532true test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 170#L540true assume !(0 != test_~tmp~4); 173#L540-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 388#L550true assume !(0 != test_~tmp___0~0); 391#L550-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 310#L560true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; 386#L572true assume !(0 != test_~tmp___1~0); 390#L572-1true assume !(0 != ~pumpRunning~0); 475#L613true assume !(0 != ~systemActive~0); 52#L620true havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~11, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~11;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 216#L1070-10true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~11 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 240#L993true assume 0 != __utac_acc__Specification3_spec__1_~tmp~11; 465#L999-1true [2019-11-19 22:05:34,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:34,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2019-11-19 22:05:34,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:34,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944272529] [2019-11-19 22:05:34,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:35,283 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:05:35,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:35,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1299784635, now seen corresponding path program 1 times [2019-11-19 22:05:35,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:35,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371956206] [2019-11-19 22:05:35,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:35,307 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:05:35,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:35,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1167266427, now seen corresponding path program 1 times [2019-11-19 22:05:35,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:35,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929874070] [2019-11-19 22:05:35,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:05:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:05:35,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929874070] [2019-11-19 22:05:35,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:05:35,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 22:05:35,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993634639] [2019-11-19 22:05:35,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:05:35,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 22:05:35,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-19 22:05:35,701 INFO L87 Difference]: Start difference. First operand 473 states. Second operand 7 states. [2019-11-19 22:05:36,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:05:36,279 INFO L93 Difference]: Finished difference Result 1451 states and 2244 transitions. [2019-11-19 22:05:36,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:05:36,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1451 states and 2244 transitions. [2019-11-19 22:05:36,305 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 958 [2019-11-19 22:05:36,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1451 states to 1423 states and 2216 transitions. [2019-11-19 22:05:36,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1423 [2019-11-19 22:05:36,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1423 [2019-11-19 22:05:36,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1423 states and 2216 transitions. [2019-11-19 22:05:36,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:05:36,354 INFO L688 BuchiCegarLoop]: Abstraction has 1423 states and 2216 transitions. [2019-11-19 22:05:36,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states and 2216 transitions. [2019-11-19 22:05:36,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 515. [2019-11-19 22:05:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-11-19 22:05:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 795 transitions. [2019-11-19 22:05:36,454 INFO L711 BuchiCegarLoop]: Abstraction has 515 states and 795 transitions. [2019-11-19 22:05:36,454 INFO L591 BuchiCegarLoop]: Abstraction has 515 states and 795 transitions. [2019-11-19 22:05:36,455 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:05:36,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 515 states and 795 transitions. [2019-11-19 22:05:36,459 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 344 [2019-11-19 22:05:36,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:05:36,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:05:36,463 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:05:36,463 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:05:36,464 INFO L794 eck$LassoCheckResult]: Stem: 2388#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(13);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(77, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(101, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(116, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(104, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string78.base, #t~string78.offset, 1);call write~init~int(82, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(73, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(84, #t~string78.base, 3 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 4 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(75, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 2 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 1 + #t~string82.offset, 1); 2273#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 2274#L969 havoc select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68, select_features_#t~ret69;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 2377#L944 select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 2408#L944-1 select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret65;havoc select_features_#t~ret65;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 2404#L944-2 select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 2405#L944-3 select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 2406#L944-4 select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret68;havoc select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 2407#L944-5 select_features_#t~ret69 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret69;havoc select_features_#t~ret69; 2231#L961 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~9; 2232#L977 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 2221#L496 assume 0 != main_~tmp~3; 2222#L469 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2172#L999-1 [2019-11-19 22:05:36,464 INFO L796 eck$LassoCheckResult]: Loop: 2172#L999-1 assume !false; 2244#L531 assume test_~splverifierCounter~0 < 4; 1998#L532 test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 1999#L540 assume !(0 != test_~tmp~4); 2214#L540-1 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 2219#L550 assume !(0 != test_~tmp___0~0); 2387#L550-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 2337#L560 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; 2338#L572 assume !(0 != test_~tmp___1~0); 2210#L572-1 assume !(0 != ~pumpRunning~0); 2360#L613 assume 0 != ~systemActive~0; 2411#L756 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 2403#L713-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2310#L670-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 2028#L620 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~11, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~11;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 2029#L1070-10 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~11 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 2246#L993 assume 0 != __utac_acc__Specification3_spec__1_~tmp~11; 2172#L999-1 [2019-11-19 22:05:36,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:36,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2019-11-19 22:05:36,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:36,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80959344] [2019-11-19 22:05:36,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:36,623 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:05:36,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:36,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1493625380, now seen corresponding path program 1 times [2019-11-19 22:05:36,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:36,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731114523] [2019-11-19 22:05:36,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:36,641 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:05:36,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:36,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1931444270, now seen corresponding path program 1 times [2019-11-19 22:05:36,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:36,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628354360] [2019-11-19 22:05:36,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:05:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:05:36,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628354360] [2019-11-19 22:05:36,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:05:36,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:05:36,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544561808] [2019-11-19 22:05:36,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:05:36,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:05:36,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:05:36,869 INFO L87 Difference]: Start difference. First operand 515 states and 795 transitions. cyclomatic complexity: 283 Second operand 5 states. [2019-11-19 22:05:37,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:05:37,463 INFO L93 Difference]: Finished difference Result 1966 states and 3082 transitions. [2019-11-19 22:05:37,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 22:05:37,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1966 states and 3082 transitions. [2019-11-19 22:05:37,486 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1343 [2019-11-19 22:05:37,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1966 states to 1966 states and 3082 transitions. [2019-11-19 22:05:37,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1966 [2019-11-19 22:05:37,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1966 [2019-11-19 22:05:37,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1966 states and 3082 transitions. [2019-11-19 22:05:37,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:05:37,512 INFO L688 BuchiCegarLoop]: Abstraction has 1966 states and 3082 transitions. [2019-11-19 22:05:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states and 3082 transitions. [2019-11-19 22:05:37,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1017. [2019-11-19 22:05:37,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1017 states. [2019-11-19 22:05:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1569 transitions. [2019-11-19 22:05:37,546 INFO L711 BuchiCegarLoop]: Abstraction has 1017 states and 1569 transitions. [2019-11-19 22:05:37,546 INFO L591 BuchiCegarLoop]: Abstraction has 1017 states and 1569 transitions. [2019-11-19 22:05:37,546 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:05:37,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1017 states and 1569 transitions. [2019-11-19 22:05:37,554 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 688 [2019-11-19 22:05:37,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:05:37,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:05:37,556 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:05:37,556 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:05:37,556 INFO L794 eck$LassoCheckResult]: Stem: 4971#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(13);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(77, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(101, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(116, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(104, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string78.base, #t~string78.offset, 1);call write~init~int(82, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(73, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(84, #t~string78.base, 3 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 4 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(75, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 2 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 1 + #t~string82.offset, 1); 4825#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 4826#L969 havoc select_features_#t~ret64, select_features_#t~ret65, select_features_#t~ret66, select_features_#t~ret67, select_features_#t~ret68, select_features_#t~ret69;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 4956#L944 select_features_#t~ret64 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret64;havoc select_features_#t~ret64;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 5039#L944-1 select_features_#t~ret65 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret65;havoc select_features_#t~ret65;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 5029#L944-2 select_features_#t~ret66 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret66;havoc select_features_#t~ret66;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 5030#L944-3 select_features_#t~ret67 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret67;havoc select_features_#t~ret67;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 5033#L944-4 select_features_#t~ret68 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret68;havoc select_features_#t~ret68;havoc select_one_#res;havoc select_one_#t~nondet63, select_one_~retValue_acc~8, select_one_~choice~0;havoc select_one_~retValue_acc~8;select_one_~choice~0 := select_one_#t~nondet63;havoc select_one_#t~nondet63;select_one_~retValue_acc~8 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~8; 5034#L944-5 select_features_#t~ret69 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret69;havoc select_features_#t~ret69; 4747#L961 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~9; 4748#L977 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 4735#L496 assume 0 != main_~tmp~3; 4736#L469 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4681#L999-1 [2019-11-19 22:05:37,556 INFO L796 eck$LassoCheckResult]: Loop: 4681#L999-1 assume !false; 5158#L531 assume test_~splverifierCounter~0 < 4; 4500#L532 test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 4501#L540 assume !(0 != test_~tmp~4); 4726#L540-1 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 5154#L550 assume !(0 != test_~tmp___0~0); 5153#L550-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 5140#L560 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet39;havoc test_#t~nondet39; 5137#L572 assume !(0 != test_~tmp___1~0); 5131#L572-1 assume !(0 != ~pumpRunning~0); 5216#L613 assume 0 != ~systemActive~0; 5101#L756 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 5213#L713-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 4865#L670-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 4531#L620 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~11, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~11;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 4532#L1070-10 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~11 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 4803#L993 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~11);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 4804#L1102 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~3 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 5036#L999 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3); 4681#L999-1 [2019-11-19 22:05:37,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:37,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 3 times [2019-11-19 22:05:37,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:37,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333550883] [2019-11-19 22:05:37,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:37,650 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:05:37,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:37,652 INFO L82 PathProgramCache]: Analyzing trace with hash -854886994, now seen corresponding path program 1 times [2019-11-19 22:05:37,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:37,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727002418] [2019-11-19 22:05:37,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:37,669 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:05:37,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:05:37,670 INFO L82 PathProgramCache]: Analyzing trace with hash -692045276, now seen corresponding path program 1 times [2019-11-19 22:05:37,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:05:37,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681102322] [2019-11-19 22:05:37,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:05:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:05:37,787 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:06:12,975 WARN L191 SmtUtils]: Spent 35.03 s on a formula simplification. DAG size of input: 514 DAG size of output: 462 [2019-11-19 22:06:28,571 WARN L191 SmtUtils]: Spent 15.57 s on a formula simplification that was a NOOP. DAG size: 411 [2019-11-19 22:06:28,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:06:28 BoogieIcfgContainer [2019-11-19 22:06:28,649 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:06:28,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:06:28,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:06:28,650 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:06:28,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:05:34" (3/4) ... [2019-11-19 22:06:28,653 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:06:28,715 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aabce486-2478-46cc-bda4-38266df805c2/bin/uautomizer/witness.graphml [2019-11-19 22:06:28,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:06:28,716 INFO L168 Benchmark]: Toolchain (without parser) took 57551.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.1 MB). Free memory was 946.0 MB in the beginning and 959.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 214.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:06:28,717 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:06:28,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:06:28,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.75 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:06:28,718 INFO L168 Benchmark]: Boogie Preprocessor took 169.81 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. [2019-11-19 22:06:28,718 INFO L168 Benchmark]: RCFGBuilder took 2365.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.7 MB in the end (delta: 152.2 MB). Peak memory consumption was 152.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:06:28,719 INFO L168 Benchmark]: BuchiAutomizer took 54052.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 937.7 MB in the beginning and 969.4 MB in the end (delta: -31.7 MB). Peak memory consumption was 197.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:06:28,719 INFO L168 Benchmark]: Witness Printer took 65.44 ms. Allocated memory is still 1.3 GB. Free memory was 969.4 MB in the beginning and 959.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:06:28,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 728.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 164.75 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 169.81 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 2365.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.7 MB in the end (delta: 152.2 MB). Peak memory consumption was 152.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54052.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 937.7 MB in the beginning and 969.4 MB in the end (delta: -31.7 MB). Peak memory consumption was 197.3 MB. Max. memory is 11.5 GB. * Witness Printer took 65.44 ms. Allocated memory is still 1.3 GB. Free memory was 969.4 MB in the beginning and 959.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 1017 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 53.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 52.3s. Construction of modules took 0.6s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1857 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 1017 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1814 SDtfs, 7273 SDslu, 8753 SDs, 0 SdLazy, 437 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 530]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2101} State at position 1 is {retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43635d6=0, NULL=0, NULL=0, NULL=2101, NULL=2113, NULL=0, methaneLevelCritical=0, NULL=2103, NULL=0, tmp=0, tmp___1=0, NULL=2121, NULL=2125, NULL=2119, cleanupTimeShifts=4, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@214251a7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@227c64e3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7433d613=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79d2bd32=0, NULL=0, NULL=0, waterLevel=1, NULL=0, __SELECTED_FEATURE_methaneAlarm=0, NULL=2126, tmp___0=0, NULL=2124, \result=1, head=0, pumpRunning=0, tmp=1, NULL=2122, NULL=0, NULL=0, NULL=0, __SELECTED_FEATURE_stopCommand=0, NULL=2117, NULL=2104, head=0, NULL=0, tmp=0, NULL=2106, NULL=2112, NULL=0, choice=55, \result=55, __SELECTED_FEATURE_base=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c5015da=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21da2566=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a1257c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@477cfd95=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21909dc5=0, NULL=2118, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@598a26e0=0, NULL=0, __GUIDSL_ROOT_PRODUCTION=1, NULL=2102, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@732d8019=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5abd8699=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@319a2b9f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d885c1e=0, NULL=2123, NULL=2114, NULL=2107, tmp___0=1, NULL=0, NULL=0, NULL=0, systemActive=1, \result=1, NULL=0, NULL=2115, __SELECTED_FEATURE_lowWaterSensor=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=2111, \result=0, NULL=2105, NULL=2120, NULL=0, retValue_acc=55, __SELECTED_FEATURE_highWaterSensor=0, NULL=0, NULL=2108, retValue_acc=1, NULL=2109, __SELECTED_FEATURE_methaneQuery=0, tmp___2=0, splverifierCounter=0, \result=0, tmp___1=0, __SELECTED_FEATURE_startCommand=55, NULL=2110, NULL=0, NULL=0, NULL=2116, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L510] int __SELECTED_FEATURE_base ; [L511] int __SELECTED_FEATURE_highWaterSensor ; [L512] int __SELECTED_FEATURE_lowWaterSensor ; [L513] int __SELECTED_FEATURE_methaneQuery ; [L514] int __SELECTED_FEATURE_methaneAlarm ; [L515] int __SELECTED_FEATURE_stopCommand ; [L516] int __SELECTED_FEATURE_startCommand ; [L517] int __GUIDSL_ROOT_PRODUCTION ; [L605] int pumpRunning = 0; [L606] int systemActive = 1; [L1027] int waterLevel = 1; [L1028] int methaneLevelCritical = 0; [L487] int retValue_acc ; [L488] int tmp ; [L968] __GUIDSL_ROOT_PRODUCTION = 1 [L953] __SELECTED_FEATURE_base = 1 [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L954] __SELECTED_FEATURE_highWaterSensor = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L955] __SELECTED_FEATURE_lowWaterSensor = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L956] __SELECTED_FEATURE_methaneQuery = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L957] __SELECTED_FEATURE_methaneAlarm = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L958] __SELECTED_FEATURE_stopCommand = select_one() [L939] int retValue_acc ; [L940] int choice = __VERIFIER_nondet_int(); [L943] retValue_acc = choice [L944] return (retValue_acc); [L959] __SELECTED_FEATURE_startCommand = select_one() [L973] int retValue_acc ; [L976] retValue_acc = __SELECTED_FEATURE_base [L977] return (retValue_acc); [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 Loop: [L530] COND TRUE 1 [L532] COND TRUE splverifierCounter < 4 [L538] tmp = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp)) [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L570] tmp___1 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___1)) [L613] COND FALSE !(\read(pumpRunning)) [L620] COND TRUE \read(systemActive) [L756] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L713] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L670] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L985] int tmp ; [L986] int tmp___0 ; [L987] int tmp___1 ; [L1066] int retValue_acc ; [L1069] retValue_acc = methaneLevelCritical [L1070] return (retValue_acc); [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L1098] int retValue_acc ; [L1101] retValue_acc = waterLevel [L1102] return (retValue_acc); [L997] tmp___0 = getWaterLevel() [L999] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...