./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/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 9321d4f4887cbb50dca95fc8fc7e71e80327248f .................................................................................................................................................................................................................................................................................................................. 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 0.2.0-a4ecdab [2020-11-30 01:29:44,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:29:44,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:29:44,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:29:44,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:29:44,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:29:44,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:29:44,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:29:44,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:29:44,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:29:44,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:29:44,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:29:44,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:29:44,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:29:44,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:29:44,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:29:44,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:29:44,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:29:44,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:29:44,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:29:44,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:29:44,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:29:44,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:29:44,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:29:44,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:29:44,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:29:44,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:29:44,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:29:44,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:29:44,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:29:44,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:29:44,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:29:44,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:29:44,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:29:44,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:29:44,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:29:44,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:29:44,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:29:44,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:29:44,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:29:44,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:29:44,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 01:29:44,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:29:44,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:29:44,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:29:44,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:29:44,340 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:29:44,340 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:29:44,341 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:29:44,341 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:29:44,341 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:29:44,341 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:29:44,341 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:29:44,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:29:44,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:29:44,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:29:44,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:29:44,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:29:44,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:29:44,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:29:44,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:29:44,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:29:44,343 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:29:44,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:29:44,344 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:29:44,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:29:44,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:29:44,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:29:44,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:29:44,345 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:29:44,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:29:44,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:29:44,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:29:44,345 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:29:44,346 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:29:44,347 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9321d4f4887cbb50dca95fc8fc7e71e80327248f [2020-11-30 01:29:44,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:29:44,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:29:44,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:29:44,625 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:29:44,628 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:29:44,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2020-11-30 01:29:44,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/data/0a093f3ed/0469c641cce34735af93259f4fde2901/FLAGa27beca6c [2020-11-30 01:29:45,221 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:29:45,222 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2020-11-30 01:29:45,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/data/0a093f3ed/0469c641cce34735af93259f4fde2901/FLAGa27beca6c [2020-11-30 01:29:45,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/data/0a093f3ed/0469c641cce34735af93259f4fde2901 [2020-11-30 01:29:45,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:29:45,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:29:45,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:45,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:29:45,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:29:45,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:45" (1/1) ... [2020-11-30 01:29:45,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746a2479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:45, skipping insertion in model container [2020-11-30 01:29:45,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:45" (1/1) ... [2020-11-30 01:29:45,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:29:45,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:29:45,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:45,940 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:29:46,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:46,046 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:29:46,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46 WrapperNode [2020-11-30 01:29:46,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:46,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:46,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:29:46,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:29:46,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:46,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:29:46,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:29:46,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:29:46,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... [2020-11-30 01:29:46,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:29:46,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:29:46,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:29:46,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:29:46,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/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 [2020-11-30 01:29:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:29:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:29:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:29:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:29:47,064 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:29:47,065 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-11-30 01:29:47,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:47 BoogieIcfgContainer [2020-11-30 01:29:47,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:29:47,067 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:29:47,067 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:29:47,070 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:29:47,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:47,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:29:45" (1/3) ... [2020-11-30 01:29:47,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d60a9a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:29:47, skipping insertion in model container [2020-11-30 01:29:47,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:47,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:46" (2/3) ... [2020-11-30 01:29:47,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d60a9a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:29:47, skipping insertion in model container [2020-11-30 01:29:47,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:29:47,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:47" (3/3) ... [2020-11-30 01:29:47,075 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2020-11-30 01:29:47,117 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:29:47,118 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:29:47,118 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:29:47,118 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:29:47,118 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:29:47,118 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:29:47,118 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:29:47,118 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:29:47,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states. [2020-11-30 01:29:47,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2020-11-30 01:29:47,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:29:47,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:29:47,176 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:29:47,177 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:47,177 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:29:47,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states. [2020-11-30 01:29:47,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2020-11-30 01:29:47,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:29:47,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:29:47,185 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:29:47,185 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:47,190 INFO L794 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 6#L-1true havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 58#L858true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 4#L866true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 20#L293true assume 0 != main_~tmp~1; 30#L267true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 51#L818-1true [2020-11-30 01:29:47,191 INFO L796 eck$LassoCheckResult]: Loop: 51#L818-1true assume !false; 37#L151true assume test_~splverifierCounter~0 < 4; 53#L152true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 9#L160true assume !(0 != test_~tmp~0); 7#L160-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 46#L170true assume !(0 != test_~tmp___0~0); 35#L170-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 28#L180true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 33#L188-2true assume !(0 != ~pumpRunning~0); 25#L684true assume 0 != ~systemActive~0; 10#L691true havoc __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_#t~ret76, __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~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 40#L100true __utac_acc__Specification1_spec__1_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret75;havoc __utac_acc__Specification1_spec__1_#t~ret75; 48#L818true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 51#L818-1true [2020-11-30 01:29:47,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:47,197 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-30 01:29:47,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:47,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141588918] [2020-11-30 01:29:47,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:47,465 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:47,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:47,671 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:47,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:47,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619224, now seen corresponding path program 1 times [2020-11-30 01:29:47,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:47,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955009575] [2020-11-30 01:29:47,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:47,690 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:47,707 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:47,712 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:29:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:47,713 INFO L82 PathProgramCache]: Analyzing trace with hash 32659714, now seen corresponding path program 1 times [2020-11-30 01:29:47,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:47,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569923518] [2020-11-30 01:29:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:47,809 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:29:47,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:29:47,875 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:31:13,326 WARN L193 SmtUtils]: Spent 1.42 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-30 01:32:16,427 WARN L193 SmtUtils]: Spent 1.05 m on a formula simplification that was a NOOP. DAG size: 433 [2020-11-30 01:32:16,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:32:16 BoogieIcfgContainer [2020-11-30 01:32:16,689 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:32:16,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:32:16,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:32:16,690 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:32:16,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:47" (3/4) ... [2020-11-30 01:32:16,694 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 01:32:16,761 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0a1fc538-13d9-43fd-9423-f546692ee96a/bin/uautomizer/witness.graphml [2020-11-30 01:32:16,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:32:16,763 INFO L168 Benchmark]: Toolchain (without parser) took 151216.07 ms. Allocated memory was 98.6 MB in the beginning and 155.2 MB in the end (delta: 56.6 MB). Free memory was 72.6 MB in the beginning and 119.9 MB in the end (delta: -47.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,763 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 98.6 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:16,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.19 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 72.4 MB in the beginning and 94.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 127.9 MB. Free memory was 94.4 MB in the beginning and 91.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,766 INFO L168 Benchmark]: Boogie Preprocessor took 65.62 ms. Allocated memory is still 127.9 MB. Free memory was 91.8 MB in the beginning and 89.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,766 INFO L168 Benchmark]: RCFGBuilder took 896.24 ms. Allocated memory is still 127.9 MB. Free memory was 89.9 MB in the beginning and 81.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,767 INFO L168 Benchmark]: BuchiAutomizer took 149621.95 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 80.8 MB in the beginning and 122.9 MB in the end (delta: -42.1 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,768 INFO L168 Benchmark]: Witness Printer took 71.66 ms. Allocated memory is still 155.2 MB. Free memory was 122.9 MB in the beginning and 119.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 98.6 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 499.19 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 72.4 MB in the beginning and 94.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 127.9 MB. Free memory was 94.4 MB in the beginning and 91.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.62 ms. Allocated memory is still 127.9 MB. Free memory was 91.8 MB in the beginning and 89.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 896.24 ms. Allocated memory is still 127.9 MB. Free memory was 89.9 MB in the beginning and 81.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 149621.95 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 80.8 MB in the beginning and 122.9 MB in the end (delta: -42.1 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. * Witness Printer took 71.66 ms. Allocated memory is still 155.2 MB. Free memory was 122.9 MB in the beginning and 119.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 149.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 149.4s. 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: 150]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=24843} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=24864, retValue_acc=0, NULL=24843, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=24845, NULL=24857, methaneLevelCritical=0, NULL=24871, NULL=24844, NULL=0, NULL=0, NULL=24854, tmp___1=0, NULL=0, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=24868, NULL=24867, NULL=24853, NULL=24863, NULL=24852, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=24870, NULL=0, NULL=24848, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=24850, NULL=0, NULL=24865, \result=1, head=0, pumpRunning=0, NULL=24858, \result=0, NULL=24859, NULL=24856, tmp=0, NULL=24855, tmp=1, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=24866, tmp___2=72, splverifierCounter=0, NULL=0, \result=0, NULL=24869, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3330f4d6=72, NULL=24860, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51a05d2a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cc2fb73=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a024de1=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68d77d89=0, NULL=24846, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d1b1ad8=0, NULL=24847, NULL=24862, NULL=24851, NULL=24849, NULL=24861, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3044dde3=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L207] int cleanupTimeShifts = 4; [L476] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L676] int pumpRunning = 0; [L677] int systemActive = 1; [L284] int retValue_acc ; [L285] int tmp ; [L862] int retValue_acc ; [L865] retValue_acc = 1 [L866] return (retValue_acc); [L291] tmp = valid_product() [L293] COND TRUE \read(tmp) [L141] int splverifierCounter ; [L142] int tmp ; [L143] int tmp___0 ; [L144] int tmp___1 ; [L145] int tmp___2 ; [L148] splverifierCounter = 0 Loop: [L150] COND TRUE 1 [L152] COND TRUE splverifierCounter < 4 [L158] tmp = __VERIFIER_nondet_int() [L160] COND FALSE !(\read(tmp)) [L168] tmp___0 = __VERIFIER_nondet_int() [L170] COND FALSE !(\read(tmp___0)) [L178] tmp___2 = __VERIFIER_nondet_int() [L180] COND TRUE \read(tmp___2) [L805] systemActive = 1 [L684] COND FALSE !(\read(pumpRunning)) [L691] COND TRUE \read(systemActive) [L811] int tmp ; [L812] int tmp___0 ; [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L816] tmp = isMethaneLevelCritical() [L818] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...