./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16_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_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/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 d073e73520d645b8f7658ef35479d738282f57bd ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:27:15,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:27:15,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:27:15,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:27:15,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:27:15,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:27:15,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:27:15,891 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:27:15,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:27:15,893 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:27:15,894 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:27:15,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:27:15,894 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:27:15,895 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:27:15,896 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:27:15,896 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:27:15,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:27:15,898 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:27:15,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:27:15,900 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:27:15,901 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:27:15,902 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:27:15,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:27:15,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:27:15,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:27:15,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:27:15,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:27:15,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:27:15,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:27:15,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:27:15,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:27:15,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:27:15,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:27:15,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:27:15,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:27:15,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:27:15,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:27:15,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:27:15,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:27:15,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:27:15,921 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:27:15,921 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:27:15,921 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:27:15,921 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:27:15,921 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:27:15,921 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:27:15,922 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:27:15,922 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:27:15,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:27:15,922 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:27:15,922 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:27:15,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:27:15,922 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:27:15,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:27:15,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:27:15,923 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:27:15,923 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:27:15,923 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:27:15,923 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:27:15,923 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:27:15,923 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:27:15,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:27:15,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:27:15,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:27:15,924 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:27:15,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:27:15,924 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:27:15,924 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:27:15,924 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:27:15,924 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_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/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 -> d073e73520d645b8f7658ef35479d738282f57bd [2018-11-18 11:27:15,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:27:15,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:27:15,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:27:15,961 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:27:15,962 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:27:15,962 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c [2018-11-18 11:27:16,007 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/data/237858d0f/1ca1a063bc474245a64319db67571cb6/FLAGb4307beac [2018-11-18 11:27:16,433 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:27:16,433 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/sv-benchmarks/c/product-lines/minepump_spec2_product16_true-unreach-call_false-termination.cil.c [2018-11-18 11:27:16,440 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/data/237858d0f/1ca1a063bc474245a64319db67571cb6/FLAGb4307beac [2018-11-18 11:27:16,448 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/data/237858d0f/1ca1a063bc474245a64319db67571cb6 [2018-11-18 11:27:16,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:27:16,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:27:16,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:27:16,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:27:16,456 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:27:16,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16, skipping insertion in model container [2018-11-18 11:27:16,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:27:16,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:27:16,707 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:27:16,715 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:27:16,813 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:27:16,833 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:27:16,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16 WrapperNode [2018-11-18 11:27:16,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:27:16,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:27:16,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:27:16,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:27:16,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:27:16,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:27:16,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:27:16,867 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:27:16,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... [2018-11-18 11:27:16,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:27:16,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:27:16,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:27:16,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:27:16,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/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 11:27:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:27:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:27:16,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:27:17,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:27:17,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:27:17 BoogieIcfgContainer [2018-11-18 11:27:17,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:27:17,349 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:27:17,349 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:27:17,351 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:27:17,352 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:27:17,352 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:27:16" (1/3) ... [2018-11-18 11:27:17,353 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e9206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:27:17, skipping insertion in model container [2018-11-18 11:27:17,353 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:27:17,353 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:16" (2/3) ... [2018-11-18 11:27:17,353 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e9206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:27:17, skipping insertion in model container [2018-11-18 11:27:17,353 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:27:17,354 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:27:17" (3/3) ... [2018-11-18 11:27:17,355 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product16_true-unreach-call_false-termination.cil.c [2018-11-18 11:27:17,386 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:27:17,387 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:27:17,387 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:27:17,387 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:27:17,387 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:27:17,387 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:27:17,387 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:27:17,387 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:27:17,387 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:27:17,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2018-11-18 11:27:17,415 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 11:27:17,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:27:17,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:27:17,421 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:27:17,421 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:27:17,421 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:27:17,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2018-11-18 11:27:17,424 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 11:27:17,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:27:17,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:27:17,425 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:27:17,425 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:27:17,428 INFO L794 eck$LassoCheckResult]: Stem: 80#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 12#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 56#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 7#L73true main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 19#L626true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 71#L600true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 92#L894true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 55#L829-3true [2018-11-18 11:27:17,429 INFO L796 eck$LassoCheckResult]: Loop: 55#L829-3true assume true; 53#L829-1true assume !false; 10#L830true assume test_~splverifierCounter~0 < 4; 90#L831true test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 96#L839true assume !(0 != test_~tmp~6); 100#L839-2true test_~tmp___0~0 := test_#t~nondet67;havoc test_#t~nondet67; 22#L849true assume !(0 != test_~tmp___0~0); 25#L849-2true test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 64#L859true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 66#L815true assume { :end_inline_startSystem } true; 74#L867-2true assume { :begin_inline_timeShift } true; 45#L653true assume !(0 != ~pumpRunning~0); 48#L653-2true assume !(0 != ~systemActive~0); 94#L660-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 30#L502-1true __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 91#L905true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 95#L905-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 15#L670true assume { :end_inline_timeShift } true; 55#L829-3true [2018-11-18 11:27:17,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:17,433 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 11:27:17,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:27:17,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:27:17,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:17,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:17,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:17,586 INFO L82 PathProgramCache]: Analyzing trace with hash 140626681, now seen corresponding path program 1 times [2018-11-18 11:27:17,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:27:17,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:27:17,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:17,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:17,625 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 11:27:17,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:27:17,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:27:17,629 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:27:17,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:27:17,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:27:17,639 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 3 states. [2018-11-18 11:27:17,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:27:17,703 INFO L93 Difference]: Finished difference Result 198 states and 254 transitions. [2018-11-18 11:27:17,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:27:17,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 254 transitions. [2018-11-18 11:27:17,710 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2018-11-18 11:27:17,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 178 states and 233 transitions. [2018-11-18 11:27:17,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 178 [2018-11-18 11:27:17,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 178 [2018-11-18 11:27:17,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 178 states and 233 transitions. [2018-11-18 11:27:17,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:27:17,718 INFO L705 BuchiCegarLoop]: Abstraction has 178 states and 233 transitions. [2018-11-18 11:27:17,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states and 233 transitions. [2018-11-18 11:27:17,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 175. [2018-11-18 11:27:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 11:27:17,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 229 transitions. [2018-11-18 11:27:17,747 INFO L728 BuchiCegarLoop]: Abstraction has 175 states and 229 transitions. [2018-11-18 11:27:17,747 INFO L608 BuchiCegarLoop]: Abstraction has 175 states and 229 transitions. [2018-11-18 11:27:17,747 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:27:17,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 229 transitions. [2018-11-18 11:27:17,749 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2018-11-18 11:27:17,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:27:17,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:27:17,750 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:27:17,750 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] [2018-11-18 11:27:17,751 INFO L794 eck$LassoCheckResult]: Stem: 366#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 324#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 325#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 314#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 315#L73 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 323#L626 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 347#L600 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 348#L894 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 398#L829-3 [2018-11-18 11:27:17,751 INFO L796 eck$LassoCheckResult]: Loop: 398#L829-3 assume true; 448#L829-1 assume !false; 446#L830 assume test_~splverifierCounter~0 < 4; 445#L831 test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 443#L839 assume !(0 != test_~tmp~6); 441#L839-2 test_~tmp___0~0 := test_#t~nondet67;havoc test_#t~nondet67; 440#L849 assume !(0 != test_~tmp___0~0); 380#L849-2 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 336#L859 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 337#L815 assume { :end_inline_startSystem } true; 339#L867-2 assume { :begin_inline_timeShift } true; 353#L653 assume !(0 != ~pumpRunning~0); 381#L653-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 413#L685 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 458#L677-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 455#L685-1 assume { :end_inline_processEnvironment } true; 454#L660-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 453#L502-1 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 452#L905 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 450#L905-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 449#L670 assume { :end_inline_timeShift } true; 398#L829-3 [2018-11-18 11:27:17,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:17,751 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 11:27:17,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:27:17,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:27:17,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:17,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:17,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:17,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1489254934, now seen corresponding path program 1 times [2018-11-18 11:27:17,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:27:17,804 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:27:17,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,804 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:27:17,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:17,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:17,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1890632031, now seen corresponding path program 1 times [2018-11-18 11:27:17,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:27:17,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:27:17,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:17,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:50,495 WARN L180 SmtUtils]: Spent 32.51 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 11:28:03,569 WARN L180 SmtUtils]: Spent 13.07 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 11:28:03,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:28:03 BoogieIcfgContainer [2018-11-18 11:28:03,649 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:28:03,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:28:03,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:28:03,650 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:28:03,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:27:17" (3/4) ... [2018-11-18 11:28:03,652 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:28:03,690 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b3e3253e-28d7-4344-a9ea-a6eedbffbe22/bin-2019/uautomizer/witness.graphml [2018-11-18 11:28:03,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:28:03,690 INFO L168 Benchmark]: Toolchain (without parser) took 47239.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 955.5 MB in the beginning and 883.3 MB in the end (delta: 72.2 MB). Peak memory consumption was 294.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:28:03,691 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:28:03,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -196.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:28:03,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:28:03,692 INFO L168 Benchmark]: Boogie Preprocessor took 19.29 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:28:03,692 INFO L168 Benchmark]: RCFGBuilder took 462.61 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: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:28:03,692 INFO L168 Benchmark]: BuchiAutomizer took 46299.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 888.4 MB in the end (delta: 190.7 MB). Peak memory consumption was 259.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:28:03,693 INFO L168 Benchmark]: Witness Printer took 40.53 ms. Allocated memory is still 1.3 GB. Free memory was 888.4 MB in the beginning and 883.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:28:03,694 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -196.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.29 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 462.61 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: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46299.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 888.4 MB in the end (delta: 190.7 MB). Peak memory consumption was 259.4 MB. Max. memory is 11.5 GB. * Witness Printer took 40.53 ms. Allocated memory is still 1.3 GB. Free memory was 888.4 MB in the beginning and 883.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 175 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 46.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 175 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 131 SDtfs, 124 SDslu, 116 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 829]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45a02a10=0, NULL=0, "Off"=36, ") "=0, "CRIT"=0, ")"=0, "Off"=0, ") "=39, retValue_acc=0, "OK"=0, methaneLevelCritical=0, "Env(Water:%i"=14, "\n"=0, "CRIT"=12, "__utac__get_this_argtype"=15, tmp=0, tmp___1=0, "libacc.c"=19, "libacc.c"=23, "libacc.c"=27, "i > 0 && i <= this->argsCount"=20, ",Meth:"=11, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=17, ")"=8, "On"=35, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_argtype"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f2c2edb=0, tmp___0=0, "Off"=0, ",Pump:"=0, "On"=0, \result=1, head=0, pumpRunning=0, ",Pump:"=29, \result=0, "__utac__get_this_arg"=26, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55834f1c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64657ee5=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b0273df=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c2cfa92=160, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@255fa0fd=0, "Pump(System:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28a7421a=0, "Off"=38, "i > 0 && i <= this->argsCount"=24, retValue_acc=1, tmp___2=160, tmp___0=0, "__utac__get_this_argtype"=18, splverifierCounter=0, "On"=0, methAndRunningLastTime=0, \result=0, "On"=37, head=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=22, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=28, "libacc.c"=0, "libacc.c"=16, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "OK"=33, "\n"=40, "Pump(System:"=34, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 829]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L375] FCALL "i > 0 && i <= this->argsCount" [L375] FCALL "libacc.c" [L376] FCALL "__utac__get_this_arg" [L382] FCALL "i > 0 && i <= this->argsCount" [L382] FCALL "libacc.c" [L383] FCALL "__utac__get_this_arg" [L421] FCALL "i > 0 && i <= this->argsCount" [L421] FCALL "libacc.c" [L422] FCALL "__utac__get_this_argtype" [L428] FCALL "i > 0 && i <= this->argsCount" [L428] FCALL "libacc.c" [L429] FCALL "__utac__get_this_argtype" [L511] FCALL "Env(Water:%i" [L512] FCALL ",Meth:" [L516] FCALL "CRIT" [L520] FCALL "OK" [L524] FCALL ")" [L764] FCALL "Pump(System:" [L768] FCALL "On" [L772] FCALL "Off" [L776] FCALL ",Pump:" [L780] FCALL "On" [L784] FCALL "Off" [L788] FCALL ") " [L790] FCALL "\n" [L459] int waterLevel = 1; [L460] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L645] int pumpRunning = 0; [L646] int systemActive = 1; [L888] int methAndRunningLastTime ; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L617] int retValue_acc ; [L618] int tmp ; [L622] FCALL select_helpers() [L623] FCALL select_features() [L624] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L624] EXPR valid_product() [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L628] FCALL setup() [L629] CALL runTest() [L610] CALL __utac_acc__Specification2_spec__1() [L893] RET methAndRunningLastTime = 0 [L610] __utac_acc__Specification2_spec__1() [L611] CALL test() [L820] int splverifierCounter ; [L821] int tmp ; [L822] int tmp___0 ; [L823] int tmp___1 ; [L824] int tmp___2 ; [L827] splverifierCounter = 0 Loop: [L829] COND TRUE 1 [L831] COND TRUE splverifierCounter < 4 [L837] tmp = __VERIFIER_nondet_int() [L839] COND FALSE !(\read(tmp)) [L847] tmp___0 = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp___0)) [L857] tmp___2 = __VERIFIER_nondet_int() [L859] COND TRUE \read(tmp___2) [L861] CALL startSystem() [L814] RET systemActive = 1 [L861] startSystem() [L876] CALL timeShift() [L653] COND FALSE !(\read(pumpRunning)) [L660] COND TRUE \read(systemActive) [L662] CALL processEnvironment() [L682] int tmp ; [L685] COND FALSE !(\read(pumpRunning)) [L700] RET, FCALL processEnvironment__wrappee__methaneQuery() [L662] processEnvironment() [L668] CALL __utac_acc__Specification2_spec__2() [L898] int tmp ; [L899] int tmp___0 ; [L903] CALL, EXPR isMethaneLevelCritical() [L498] int retValue_acc ; [L501] retValue_acc = methaneLevelCritical [L502] RET return (retValue_acc); [L903] EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L921] RET methAndRunningLastTime = 0 [L668] RET __utac_acc__Specification2_spec__2() [L876] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...