./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:48:32,842 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:48:32,844 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:48:32,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:48:32,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:48:32,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:48:32,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:48:32,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:48:32,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:48:32,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:48:32,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:48:32,867 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:48:32,868 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:48:32,868 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:48:32,870 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:48:32,871 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:48:32,872 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:48:32,874 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:48:32,876 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:48:32,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:48:32,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:48:32,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:48:32,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:48:32,883 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:48:32,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:48:32,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:48:32,886 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:48:32,886 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:48:32,887 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:48:32,888 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:48:32,889 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:48:32,889 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:48:32,889 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:48:32,890 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:48:32,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:48:32,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:48:32,892 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:48:32,920 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:48:32,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:48:32,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:48:32,922 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:48:32,922 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:48:32,922 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:48:32,922 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:48:32,922 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:48:32,923 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:48:32,923 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:48:32,923 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:48:32,923 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:48:32,923 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:48:32,923 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:48:32,924 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:48:32,924 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:48:32,924 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:48:32,924 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:48:32,924 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:48:32,924 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:48:32,925 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:48:32,925 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:48:32,925 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:48:32,925 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:48:32,925 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:48:32,925 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:48:32,926 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:48:32,927 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:48:32,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:48:32,927 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:48:32,927 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:48:32,928 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:48:32,929 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 [2019-01-01 23:48:32,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:48:32,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:48:32,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:48:32,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:48:32,987 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:48:32,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:33,046 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3e40ae9/4336d4cbb42345baa6f487ef3b6d8d3f/FLAG706e92604 [2019-01-01 23:48:33,602 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:48:33,606 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:33,625 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3e40ae9/4336d4cbb42345baa6f487ef3b6d8d3f/FLAG706e92604 [2019-01-01 23:48:33,881 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3e40ae9/4336d4cbb42345baa6f487ef3b6d8d3f [2019-01-01 23:48:33,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:48:33,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:48:33,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:48:33,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:48:33,897 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:48:33,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:48:33" (1/1) ... [2019-01-01 23:48:33,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4fbf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:33, skipping insertion in model container [2019-01-01 23:48:33,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:48:33" (1/1) ... [2019-01-01 23:48:33,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:48:33,970 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:48:34,394 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:48:34,424 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:48:34,591 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:48:34,635 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:48:34,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34 WrapperNode [2019-01-01 23:48:34,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:48:34,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:48:34,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:48:34,637 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:48:34,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:48:34,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:48:34,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:48:34,754 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:48:34,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... [2019-01-01 23:48:34,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:48:34,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:48:34,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:48:34,842 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:48:34,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:48:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:48:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:48:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:48:34,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:48:36,636 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:48:36,637 INFO L280 CfgBuilder]: Removed 280 assue(true) statements. [2019-01-01 23:48:36,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:36 BoogieIcfgContainer [2019-01-01 23:48:36,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:48:36,639 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:48:36,639 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:48:36,643 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:48:36,644 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:36,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:48:33" (1/3) ... [2019-01-01 23:48:36,645 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f770f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:48:36, skipping insertion in model container [2019-01-01 23:48:36,647 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:36,648 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:34" (2/3) ... [2019-01-01 23:48:36,648 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f770f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:48:36, skipping insertion in model container [2019-01-01 23:48:36,648 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:36,648 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:36" (3/3) ... [2019-01-01 23:48:36,652 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:36,720 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:48:36,721 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:48:36,721 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:48:36,721 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:48:36,721 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:48:36,721 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:48:36,722 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:48:36,722 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:48:36,722 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:48:36,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2019-01-01 23:48:36,787 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2019-01-01 23:48:36,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:36,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:36,799 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:36,799 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:36,799 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:48:36,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2019-01-01 23:48:36,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2019-01-01 23:48:36,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:36,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:36,812 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:36,812 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:36,820 INFO L794 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 14#L-1true havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 117#L413true 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; 147#L421true main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 168#L517true assume 0 != main_~tmp~7; 36#L494true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 74#L370-1true [2019-01-01 23:48:36,820 INFO L796 eck$LassoCheckResult]: Loop: 74#L370-1true assume !false; 90#L56true assume test_~splverifierCounter~0 < 4; 189#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 23#L65true assume !(0 != test_~tmp~0); 18#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 96#L75true assume !(0 != test_~tmp___0~0); 94#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 160#L85true assume 0 != test_~tmp___2~0; 98#L91-1true assume !(0 != ~pumpRunning~0); 164#L129true assume !(0 != ~systemActive~0); 56#L136true havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 106#L972true __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 71#L370true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 74#L370-1true [2019-01-01 23:48:36,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:36,834 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:48:36,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:36,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:36,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:36,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:36,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:37,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:37,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1667892533, now seen corresponding path program 1 times [2019-01-01 23:48:37,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:37,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:37,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:37,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:37,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:37,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:37,831 INFO L82 PathProgramCache]: Analyzing trace with hash 46386405, now seen corresponding path program 1 times [2019-01-01 23:48:37,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:37,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:37,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:37,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:37,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:48:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:48:38,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:48:38,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:48:38,321 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:48:38,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 23:48:38,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-01 23:48:38,394 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 6 states. [2019-01-01 23:48:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:48:38,918 INFO L93 Difference]: Finished difference Result 420 states and 618 transitions. [2019-01-01 23:48:38,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 23:48:38,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 420 states and 618 transitions. [2019-01-01 23:48:38,947 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 273 [2019-01-01 23:48:38,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 420 states to 399 states and 597 transitions. [2019-01-01 23:48:38,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 399 [2019-01-01 23:48:38,969 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 399 [2019-01-01 23:48:38,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 399 states and 597 transitions. [2019-01-01 23:48:38,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:48:38,975 INFO L705 BuchiCegarLoop]: Abstraction has 399 states and 597 transitions. [2019-01-01 23:48:38,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states and 597 transitions. [2019-01-01 23:48:39,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 222. [2019-01-01 23:48:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-01-01 23:48:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 330 transitions. [2019-01-01 23:48:39,029 INFO L728 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2019-01-01 23:48:39,030 INFO L608 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2019-01-01 23:48:39,030 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:48:39,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 330 transitions. [2019-01-01 23:48:39,032 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2019-01-01 23:48:39,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:39,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:39,034 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:39,034 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:39,034 INFO L794 eck$LassoCheckResult]: Stem: 783#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 649#L-1 havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 650#L413 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; 774#L421 main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 793#L517 assume 0 != main_~tmp~7; 687#L494 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 688#L370-1 [2019-01-01 23:48:39,035 INFO L796 eck$LassoCheckResult]: Loop: 688#L370-1 assume !false; 738#L56 assume test_~splverifierCounter~0 < 4; 751#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 667#L65 assume !(0 != test_~tmp~0); 657#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 658#L75 assume !(0 != test_~tmp___0~0); 752#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 753#L85 assume 0 != test_~tmp___2~0; 758#L91-1 assume !(0 != ~pumpRunning~0); 760#L129 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 747#L213 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 748#L187-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 643#L161-3 assume !(0 == ~pumpRunning~0); 645#L136 havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 716#L972 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 733#L370 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 688#L370-1 [2019-01-01 23:48:39,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:39,035 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:48:39,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:39,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:39,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:39,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:39,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:39,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:39,349 INFO L82 PathProgramCache]: Analyzing trace with hash -2101003018, now seen corresponding path program 1 times [2019-01-01 23:48:39,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:39,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:39,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:39,351 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:48:39,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:48:39,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:48:39,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:48:39,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:48:39,411 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:48:39,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:48:39,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:48:39,412 INFO L87 Difference]: Start difference. First operand 222 states and 330 transitions. cyclomatic complexity: 111 Second operand 3 states. [2019-01-01 23:48:40,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:48:40,157 INFO L93 Difference]: Finished difference Result 225 states and 310 transitions. [2019-01-01 23:48:40,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:48:40,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 310 transitions. [2019-01-01 23:48:40,162 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2019-01-01 23:48:40,165 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 310 transitions. [2019-01-01 23:48:40,165 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 225 [2019-01-01 23:48:40,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 225 [2019-01-01 23:48:40,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 310 transitions. [2019-01-01 23:48:40,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:48:40,168 INFO L705 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2019-01-01 23:48:40,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 310 transitions. [2019-01-01 23:48:40,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2019-01-01 23:48:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-01-01 23:48:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 310 transitions. [2019-01-01 23:48:40,190 INFO L728 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2019-01-01 23:48:40,190 INFO L608 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2019-01-01 23:48:40,190 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:48:40,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 310 transitions. [2019-01-01 23:48:40,194 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2019-01-01 23:48:40,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:40,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:40,196 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:40,196 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] [2019-01-01 23:48:40,197 INFO L794 eck$LassoCheckResult]: Stem: 1219#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 1099#L-1 havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 1100#L413 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; 1209#L421 main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 1227#L517 assume 0 != main_~tmp~7; 1126#L494 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1127#L370-1 [2019-01-01 23:48:40,197 INFO L796 eck$LassoCheckResult]: Loop: 1127#L370-1 assume !false; 1288#L56 assume test_~splverifierCounter~0 < 4; 1287#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1286#L65 assume !(0 != test_~tmp~0); 1284#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1283#L75 assume !(0 != test_~tmp___0~0); 1281#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1279#L85 assume 0 != test_~tmp___2~0; 1193#L91-1 assume !(0 != ~pumpRunning~0); 1194#L129 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1181#L213 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 1182#L187-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1094#L161-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1095#L980-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1212#L985-3 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 1111#L315-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1112#L315-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1115#L321-3 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1225#L165-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 1179#L136 havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 1291#L972 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 1166#L370 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 1127#L370-1 [2019-01-01 23:48:40,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:40,198 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-01 23:48:40,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:40,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:40,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:40,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:40,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:40,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:40,534 INFO L82 PathProgramCache]: Analyzing trace with hash 2033396642, now seen corresponding path program 1 times [2019-01-01 23:48:40,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:40,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:40,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:40,538 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:48:40,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:40,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:40,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1008265528, now seen corresponding path program 1 times [2019-01-01 23:48:40,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:40,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:40,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:40,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:40,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:41,705 WARN L181 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-01-01 23:48:41,919 WARN L181 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-01-01 23:49:10,772 WARN L181 SmtUtils]: Spent 28.83 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:49:25,745 WARN L181 SmtUtils]: Spent 14.97 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:49:25,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:49:25 BoogieIcfgContainer [2019-01-01 23:49:25,828 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:49:25,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:49:25,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:49:25,829 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:49:25,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:36" (3/4) ... [2019-01-01 23:49:25,835 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:49:25,914 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:49:25,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:49:25,915 INFO L168 Benchmark]: Toolchain (without parser) took 52026.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.3 MB). Free memory was 948.7 MB in the beginning and 831.6 MB in the end (delta: 117.1 MB). Peak memory consumption was 414.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:25,916 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:49:25,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:25,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:49:25,923 INFO L168 Benchmark]: Boogie Preprocessor took 90.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:25,923 INFO L168 Benchmark]: RCFGBuilder took 1797.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:25,924 INFO L168 Benchmark]: BuchiAutomizer took 49189.61 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 831.6 MB in the end (delta: 183.4 MB). Peak memory consumption was 397.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:49:25,927 INFO L168 Benchmark]: Witness Printer took 85.02 ms. Allocated memory is still 1.3 GB. Free memory is still 831.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:49:25,939 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 745.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1797.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 49189.61 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 831.6 MB in the end (delta: 183.4 MB). Peak memory consumption was 397.7 MB. Max. memory is 11.5 GB. * Witness Printer took 85.02 ms. Allocated memory is still 1.3 GB. Free memory is still 831.6 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 6 locations. The remainder module has 225 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 49.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 47.5s. Construction of modules took 1.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 177 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 225 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 477 SDtfs, 1215 SDslu, 1130 SDs, 0 SdLazy, 85 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s 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: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7291} State at position 1 is {retValue_acc=1, NULL=-5, NULL=0, NULL=0, NULL=7291, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@180c524d=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@308f0cf=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c912a33=61, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ea8fe6b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c4cf292=0, NULL=-24, NULL=-16, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31e710f9=0, tmp=0, tmp___0=0, NULL=0, retValue_acc=0, NULL=0, NULL=-22, tmp___1=0, NULL=7290, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=-12, NULL=-19, tmp___0=0, NULL=-4, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=-14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4357985e=0, NULL=0, \result=0, tmp___0=0, NULL=0, NULL=0, NULL=-20, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b8d47e8=0, NULL=-8, NULL=-15, \result=0, NULL=-9, NULL=-1, NULL=-6, NULL=0, NULL=-18, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, retValue_acc=1, \result=1, NULL=-17, NULL=-11, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52d18966=0, tmp=1, NULL=0, tmp=1, retValue_acc=1, tmp___2=61, splverifierCounter=0, NULL=0, NULL=0, NULL=-3, NULL=-21, NULL=-13, tmp=0, head=0, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4120aef4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c75ae1e=0, NULL=0, NULL=0, NULL=-10, NULL=-7, NULL=0, NULL=-23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L435] int cleanupTimeShifts = 4; [L700] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L897] int waterLevel = 1; [L898] int methaneLevelCritical = 0; [L508] int retValue_acc ; [L509] int tmp ; [L417] int retValue_acc ; [L420] retValue_acc = 1 [L421] return (retValue_acc); [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L129] COND FALSE !(\read(pumpRunning)) [L136] COND TRUE \read(systemActive) [L210] int tmp ; [L213] COND FALSE !(\read(pumpRunning)) [L184] int tmp ; [L187] COND FALSE !(\read(pumpRunning)) [L158] int tmp ; [L161] COND TRUE ! pumpRunning [L307] int retValue_acc ; [L308] int tmp ; [L309] int tmp___0 ; [L977] int retValue_acc ; [L980] COND TRUE waterLevel < 2 [L981] retValue_acc = 1 [L982] return (retValue_acc); [L313] tmp = isHighWaterSensorDry() [L315] COND TRUE \read(tmp) [L316] tmp___0 = 0 [L320] retValue_acc = tmp___0 [L321] return (retValue_acc); [L163] tmp = isHighWaterLevel() [L165] COND FALSE !(\read(tmp)) [L363] int tmp ; [L364] int tmp___0 ; [L968] int retValue_acc ; [L971] retValue_acc = waterLevel [L972] return (retValue_acc); [L368] tmp = getWaterLevel() [L370] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...