./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/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 7c153dfe33f87015b278f995b6c1e5c6fbcf815b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 13:54:18,899 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:54:18,900 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:54:18,909 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:54:18,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:54:18,910 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:54:18,911 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:54:18,912 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:54:18,914 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:54:18,915 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:54:18,915 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:54:18,915 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:54:18,916 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:54:18,917 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:54:18,917 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:54:18,920 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:54:18,921 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:54:18,922 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:54:18,923 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:54:18,924 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:54:18,925 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:54:18,927 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:54:18,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:54:18,929 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:54:18,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:54:18,930 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:54:18,931 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:54:18,931 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:54:18,932 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:54:18,933 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:54:18,933 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:54:18,941 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:54:18,941 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:54:18,941 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:54:18,942 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:54:18,942 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:54:18,943 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:54:18,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:54:18,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:54:18,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:54:18,955 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:54:18,955 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:54:18,955 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:54:18,956 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:54:18,956 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:54:18,956 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:54:18,956 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:54:18,956 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:54:18,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:54:18,956 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:54:18,957 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:54:18,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:54:18,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:54:18,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:54:18,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:54:18,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:54:18,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:54:18,959 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:54:18,959 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:54:18,959 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:54:18,959 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:54:18,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:54:18,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:54:18,960 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:54:18,960 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:54:18,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:54:18,960 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:54:18,960 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:54:18,961 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:54:18,961 INFO L133 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/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/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 -> 7c153dfe33f87015b278f995b6c1e5c6fbcf815b [2018-11-18 13:54:18,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:54:18,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:54:19,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:54:19,003 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:54:19,003 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:54:19,003 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-18 13:54:19,044 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/data/b731bd481/70654836184f42f5b171136e3be7f450/FLAG6afe73ca8 [2018-11-18 13:54:19,432 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:54:19,433 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/sv-benchmarks/c/product-lines/minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-18 13:54:19,442 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/data/b731bd481/70654836184f42f5b171136e3be7f450/FLAG6afe73ca8 [2018-11-18 13:54:19,452 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/data/b731bd481/70654836184f42f5b171136e3be7f450 [2018-11-18 13:54:19,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:54:19,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:54:19,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:54:19,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:54:19,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:54:19,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb2b19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19, skipping insertion in model container [2018-11-18 13:54:19,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:54:19,505 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:54:19,711 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:54:19,719 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:54:19,860 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:54:19,882 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:54:19,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19 WrapperNode [2018-11-18 13:54:19,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:54:19,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:54:19,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:54:19,883 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:54:19,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:54:19,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:54:19,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:54:19,933 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:54:19,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... [2018-11-18 13:54:19,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:54:19,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:54:19,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:54:19,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:54:19,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/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 [2018-11-18 13:54:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:54:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:54:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:54:20,918 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:54:20,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:54:20 BoogieIcfgContainer [2018-11-18 13:54:20,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:54:20,919 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:54:20,919 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:54:20,922 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:54:20,923 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:54:20,923 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:54:19" (1/3) ... [2018-11-18 13:54:20,924 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af9b76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:54:20, skipping insertion in model container [2018-11-18 13:54:20,924 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:54:20,924 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:19" (2/3) ... [2018-11-18 13:54:20,924 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af9b76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:54:20, skipping insertion in model container [2018-11-18 13:54:20,924 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:54:20,924 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:54:20" (3/3) ... [2018-11-18 13:54:20,930 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product24_true-unreach-call_false-termination.cil.c [2018-11-18 13:54:20,982 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:54:20,983 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:54:20,983 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:54:20,983 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:54:20,983 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:54:20,983 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:54:20,983 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:54:20,983 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:54:20,984 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:54:21,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states. [2018-11-18 13:54:21,033 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2018-11-18 13:54:21,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:54:21,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:54:21,041 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:21,041 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:21,042 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:54:21,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states. [2018-11-18 13:54:21,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2018-11-18 13:54:21,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:54:21,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:54:21,054 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:21,054 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:21,060 INFO L794 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 72#L262true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 11#L255true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 120#L270true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 132#L132true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 26#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 106#L928true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 73#L496-3true [2018-11-18 13:54:21,060 INFO L796 eck$LassoCheckResult]: Loop: 73#L496-3true assume true; 99#L496-1true assume !false; 16#L497true assume test_~splverifierCounter~0 < 4; 128#L498true test_~tmp~4 := test_#t~nondet32;havoc test_#t~nondet32; 154#L506true assume !(0 != test_~tmp~4); 135#L506-2true test_~tmp___0~1 := test_#t~nondet33;havoc test_#t~nondet33; 22#L516true assume !(0 != test_~tmp___0~1); 25#L516-2true test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 102#L526true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 104#L482true assume { :end_inline_startSystem } true; 109#L534-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 35#L403true __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 165#L938true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 121#L292true assume !(0 != ~pumpRunning~0); 116#L292-2true assume !(0 != ~systemActive~0); 12#L299-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 117#L226true __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 164#L949true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 141#L949-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 81#L309true assume { :end_inline_timeShift } true; 73#L496-3true [2018-11-18 13:54:21,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:21,072 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:54:21,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:54:21,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:54:21,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:21,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:21,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:21,288 INFO L82 PathProgramCache]: Analyzing trace with hash -524180613, now seen corresponding path program 1 times [2018-11-18 13:54:21,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:54:21,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:54:21,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:21,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:54:21,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:54:21,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:54:21,367 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:54:21,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:54:21,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:54:21,383 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 3 states. [2018-11-18 13:54:21,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:21,481 INFO L93 Difference]: Finished difference Result 318 states and 410 transitions. [2018-11-18 13:54:21,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:54:21,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 410 transitions. [2018-11-18 13:54:21,490 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 208 [2018-11-18 13:54:21,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 298 states and 389 transitions. [2018-11-18 13:54:21,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2018-11-18 13:54:21,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2018-11-18 13:54:21,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 389 transitions. [2018-11-18 13:54:21,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:54:21,500 INFO L705 BuchiCegarLoop]: Abstraction has 298 states and 389 transitions. [2018-11-18 13:54:21,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 389 transitions. [2018-11-18 13:54:21,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2018-11-18 13:54:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-11-18 13:54:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 385 transitions. [2018-11-18 13:54:21,535 INFO L728 BuchiCegarLoop]: Abstraction has 295 states and 385 transitions. [2018-11-18 13:54:21,535 INFO L608 BuchiCegarLoop]: Abstraction has 295 states and 385 transitions. [2018-11-18 13:54:21,535 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:54:21,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 385 transitions. [2018-11-18 13:54:21,538 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2018-11-18 13:54:21,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:54:21,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:54:21,539 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:21,539 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:21,539 INFO L794 eck$LassoCheckResult]: Stem: 644#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 508#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 509#L262 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 510#L255 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 511#L270 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 641#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 536#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 537#L928 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 632#L496-3 [2018-11-18 13:54:21,540 INFO L796 eck$LassoCheckResult]: Loop: 632#L496-3 assume true; 709#L496-1 assume !false; 701#L497 assume test_~splverifierCounter~0 < 4; 702#L498 test_~tmp~4 := test_#t~nondet32;havoc test_#t~nondet32; 784#L506 assume !(0 != test_~tmp~4); 782#L506-2 test_~tmp___0~1 := test_#t~nondet33;havoc test_#t~nondet33; 780#L516 assume !(0 != test_~tmp___0~1); 778#L516-2 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 777#L526 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 626#L482 assume { :end_inline_startSystem } true; 630#L534-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 772#L403 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 770#L938 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 767#L292 assume !(0 != ~pumpRunning~0); 764#L292-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 761#L350 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 759#L324-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 755#L316-3 assume { :end_inline_processEnvironment__wrappee__base } true; 752#L324-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 749#L350-1 assume { :end_inline_processEnvironment } true; 748#L299-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 747#L226 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 745#L949 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 652#L949-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 653#L309 assume { :end_inline_timeShift } true; 632#L496-3 [2018-11-18 13:54:21,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:21,540 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:54:21,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:54:21,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:54:21,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:21,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:21,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:21,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1882089977, now seen corresponding path program 1 times [2018-11-18 13:54:21,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:54:21,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:54:21,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,599 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:54:21,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:21,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:21,613 INFO L82 PathProgramCache]: Analyzing trace with hash -612639938, now seen corresponding path program 1 times [2018-11-18 13:54:21,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:54:21,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:54:21,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:21,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:54:21,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:54:21,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:54:21,871 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-11-18 13:54:22,037 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-11-18 13:54:22,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:54:22,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:54:22,048 INFO L87 Difference]: Start difference. First operand 295 states and 385 transitions. cyclomatic complexity: 93 Second operand 5 states. [2018-11-18 13:54:22,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:22,370 INFO L93 Difference]: Finished difference Result 896 states and 1161 transitions. [2018-11-18 13:54:22,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:54:22,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 896 states and 1161 transitions. [2018-11-18 13:54:22,379 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 398 [2018-11-18 13:54:22,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 896 states to 896 states and 1161 transitions. [2018-11-18 13:54:22,385 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 896 [2018-11-18 13:54:22,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 896 [2018-11-18 13:54:22,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 896 states and 1161 transitions. [2018-11-18 13:54:22,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:54:22,390 INFO L705 BuchiCegarLoop]: Abstraction has 896 states and 1161 transitions. [2018-11-18 13:54:22,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states and 1161 transitions. [2018-11-18 13:54:22,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 574. [2018-11-18 13:54:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2018-11-18 13:54:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 740 transitions. [2018-11-18 13:54:22,416 INFO L728 BuchiCegarLoop]: Abstraction has 574 states and 740 transitions. [2018-11-18 13:54:22,416 INFO L608 BuchiCegarLoop]: Abstraction has 574 states and 740 transitions. [2018-11-18 13:54:22,416 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:54:22,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 574 states and 740 transitions. [2018-11-18 13:54:22,420 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 398 [2018-11-18 13:54:22,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:54:22,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:54:22,421 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:22,421 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:22,421 INFO L794 eck$LassoCheckResult]: Stem: 1876#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1715#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1716#L262 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1717#L255 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 1718#L270 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1869#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1744#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1745#L928 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1852#L496-3 [2018-11-18 13:54:22,423 INFO L796 eck$LassoCheckResult]: Loop: 1852#L496-3 assume true; 1997#L496-1 assume !false; 1995#L497 assume test_~splverifierCounter~0 < 4; 1994#L498 test_~tmp~4 := test_#t~nondet32;havoc test_#t~nondet32; 1993#L506 assume !(0 != test_~tmp~4); 1992#L506-2 test_~tmp___0~1 := test_#t~nondet33;havoc test_#t~nondet33; 1990#L516 assume !(0 != test_~tmp___0~1); 1988#L516-2 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 1987#L526 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet35;havoc test_#t~nondet35; 1985#L534 assume !(0 != test_~tmp___1~0); 1986#L534-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 2186#L403 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 2184#L938 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2182#L292 assume !(0 != ~pumpRunning~0); 2180#L292-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 2122#L350 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 2037#L324-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2034#L316-3 assume { :end_inline_processEnvironment__wrappee__base } true; 2024#L324-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2009#L350-1 assume { :end_inline_processEnvironment } true; 2005#L299-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 2004#L226 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 2003#L949 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 2002#L403-1 __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 2001#L953 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1999#L949-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1998#L309 assume { :end_inline_timeShift } true; 1852#L496-3 [2018-11-18 13:54:22,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:22,423 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 13:54:22,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:54:22,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:54:22,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:22,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:22,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:22,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:22,481 INFO L82 PathProgramCache]: Analyzing trace with hash -376686220, now seen corresponding path program 1 times [2018-11-18 13:54:22,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:54:22,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:54:22,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:22,482 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:54:22,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:22,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:22,497 INFO L82 PathProgramCache]: Analyzing trace with hash -205910805, now seen corresponding path program 1 times [2018-11-18 13:54:22,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:54:22,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:54:22,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:22,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:22,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:54:22,783 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-11-18 13:55:56,443 WARN L180 SmtUtils]: Spent 1.56 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:56:44,441 WARN L180 SmtUtils]: Spent 48.00 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:56:44,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:56:44 BoogieIcfgContainer [2018-11-18 13:56:44,530 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:56:44,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:56:44,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:56:44,531 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:56:44,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:54:20" (3/4) ... [2018-11-18 13:56:44,533 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:56:44,590 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_daebe5c4-3cc3-4aa4-9be3-65c706cc16df/bin-2019/uautomizer/witness.graphml [2018-11-18 13:56:44,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:56:44,591 INFO L168 Benchmark]: Toolchain (without parser) took 145136.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.7 MB). Free memory was 951.7 MB in the beginning and 836.7 MB in the end (delta: 115.0 MB). Peak memory consumption was 357.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,592 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:56:44,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.11 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,593 INFO L168 Benchmark]: Boogie Preprocessor took 30.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:56:44,593 INFO L168 Benchmark]: RCFGBuilder took 955.39 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: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,594 INFO L168 Benchmark]: BuchiAutomizer took 143610.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 836.7 MB in the end (delta: 224.4 MB). Peak memory consumption was 304.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:56:44,595 INFO L168 Benchmark]: Witness Printer took 60.39 ms. Allocated memory is still 1.3 GB. Free memory is still 836.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:56:44,596 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.11 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 955.39 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: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 143610.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 836.7 MB in the end (delta: 224.4 MB). Peak memory consumption was 304.1 MB. Max. memory is 11.5 GB. * Witness Printer took 60.39 ms. Allocated memory is still 1.3 GB. Free memory is still 836.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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 5 locations. The remainder module has 574 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 143.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 142.8s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 325 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 574 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 513 SDtfs, 976 SDslu, 867 SDs, 0 SdLazy, 105 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 496]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "libacc.c"=0, ")"=16, "libacc.c"=35, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=29, "libacc.c"=31, "__utac__get_this_arg"=36, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3919c2c0=0, "OK"=17, tmp=0, tmp=1, "__utac__get_this_argtype"=0, tmp=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=8, "libacc.c"=0, "Env(Water:%i"=19, tmp___1=0, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, "Off"=14, ") "=20, cleanupTimeShifts=4, switchedOnBeforeTS=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25306509=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33a9c74e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42d2f361=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1734d146=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "\n"=0, "libacc.c"=37, ")"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, ",Meth:"=18, \result=1, "On"=12, head=0, pumpRunning=0, tmp___0=0, tmp=1, "i > 0 && i <= this->argsCount"=27, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@243ec2f0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@239aade=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@454d14ad=0, "i > 0 && i <= this->argsCount"=39, "Pump(System:"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f95bc97=0, retValue_acc=1, "libacc.c"=40, ",Pump:"=26, tmp___2=0, "\n"=22, tmp___0=0, "Off"=23, splverifierCounter=0, "__utac__get_this_arg"=0, "CRIT"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65e7b7c1=0, "__utac__get_this_arg"=38, tmp=0, head=0, "Off"=0, ") "=0, "On"=24, "On"=0, "Off"=0, "Pump(System:"=15, ",Pump:"=0, "i > 0 && i <= this->argsCount"=34, retValue_acc=0, "__utac__get_this_argtype"=28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 496]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L203] FCALL "Env(Water:%i" [L204] FCALL ",Meth:" [L208] FCALL "CRIT" [L212] FCALL "OK" [L216] FCALL ")" [L412] FCALL "Pump(System:" [L416] FCALL "On" [L420] FCALL "Off" [L424] FCALL ",Pump:" [L428] FCALL "On" [L432] FCALL "Off" [L436] FCALL ") " [L438] FCALL "\n" [L852] FCALL "i > 0 && i <= this->argsCount" [L852] FCALL "libacc.c" [L853] FCALL "__utac__get_this_arg" [L859] FCALL "i > 0 && i <= this->argsCount" [L859] FCALL "libacc.c" [L860] FCALL "__utac__get_this_arg" [L898] FCALL "i > 0 && i <= this->argsCount" [L898] FCALL "libacc.c" [L899] FCALL "__utac__get_this_argtype" [L905] FCALL "i > 0 && i <= this->argsCount" [L905] FCALL "libacc.c" [L906] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L280] int pumpRunning = 0; [L281] int systemActive = 1; [L922] int switchedOnBeforeTS ; [L724] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] RET return (retValue_acc); [L130] EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L113] CALL __utac_acc__Specification5_spec__1() [L927] RET switchedOnBeforeTS = 0 [L113] __utac_acc__Specification5_spec__1() [L114] CALL test() [L487] int splverifierCounter ; [L488] int tmp ; [L489] int tmp___0 ; [L490] int tmp___1 ; [L491] int tmp___2 ; [L494] splverifierCounter = 0 Loop: [L496] COND TRUE 1 [L498] COND TRUE splverifierCounter < 4 [L504] tmp = __VERIFIER_nondet_int() [L506] COND FALSE !(\read(tmp)) [L514] tmp___0 = __VERIFIER_nondet_int() [L516] COND FALSE !(\read(tmp___0)) [L524] tmp___2 = __VERIFIER_nondet_int() [L526] COND FALSE !(\read(tmp___2)) [L532] tmp___1 = __VERIFIER_nondet_int() [L534] COND FALSE !(\read(tmp___1)) [L543] CALL timeShift() [L290] CALL __utac_acc__Specification5_spec__2() [L936] CALL, EXPR isPumpRunning() [L399] int retValue_acc ; [L402] retValue_acc = pumpRunning [L403] RET return (retValue_acc); [L936] EXPR isPumpRunning() [L936] RET switchedOnBeforeTS = isPumpRunning() [L290] __utac_acc__Specification5_spec__2() [L292] COND FALSE !(\read(pumpRunning)) [L299] COND TRUE \read(systemActive) [L301] CALL processEnvironment() [L347] int tmp ; [L350] COND FALSE !(\read(pumpRunning)) [L365] CALL processEnvironment__wrappee__lowWaterSensor() [L321] int tmp ; [L324] COND FALSE !(\read(pumpRunning)) [L339] RET, FCALL processEnvironment__wrappee__base() [L365] RET processEnvironment__wrappee__lowWaterSensor() [L301] processEnvironment() [L307] CALL __utac_acc__Specification5_spec__3() [L942] int tmp ; [L943] int tmp___0 ; [L947] CALL, EXPR getWaterLevel() [L222] int retValue_acc ; [L225] retValue_acc = waterLevel [L226] RET return (retValue_acc); [L947] EXPR getWaterLevel() [L947] tmp = getWaterLevel() [L949] COND TRUE tmp != 2 [L951] CALL, EXPR isPumpRunning() [L399] int retValue_acc ; [L402] retValue_acc = pumpRunning [L403] RET return (retValue_acc); [L951] EXPR isPumpRunning() [L951] tmp___0 = isPumpRunning() [L953] COND FALSE, RET !(\read(tmp___0)) [L307] RET __utac_acc__Specification5_spec__3() [L543] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...