./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e 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_product21_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 8ca334e090ac37635ea5e20a191b6f0bec293495 ...................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 23:59:14,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:59:14,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:59:14,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:59:14,979 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:59:14,980 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:59:14,982 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:59:14,985 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:59:14,987 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:59:14,996 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:59:14,997 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:59:14,997 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:59:14,998 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:59:15,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:59:15,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:59:15,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:59:15,007 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:59:15,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:59:15,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:59:15,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:59:15,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:59:15,020 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:59:15,024 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:59:15,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:59:15,024 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:59:15,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:59:15,027 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:59:15,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:59:15,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:59:15,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:59:15,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:59:15,035 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:59:15,035 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:59:15,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:59:15,038 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:59:15,038 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:59:15,039 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:59:15,069 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:59:15,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:59:15,071 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:59:15,072 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:59:15,072 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:59:15,072 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:59:15,073 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:59:15,073 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:59:15,073 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:59:15,073 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:59:15,073 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:59:15,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:59:15,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:59:15,074 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:59:15,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:59:15,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:59:15,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:59:15,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:59:15,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:59:15,075 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:59:15,076 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:59:15,076 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:59:15,076 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:59:15,076 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:59:15,076 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:59:15,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:59:15,077 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:59:15,077 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:59:15,077 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:59:15,077 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:59:15,078 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:59:15,079 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:59:15,079 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 -> 8ca334e090ac37635ea5e20a191b6f0bec293495 [2018-11-28 23:59:15,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:59:15,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:59:15,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:59:15,154 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:59:15,154 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:59:15,155 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:15,230 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a20ab774b/8c9f2fdf794445079dfd4db31176b87f/FLAGf566c60c0 [2018-11-28 23:59:15,794 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:59:15,795 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:15,815 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a20ab774b/8c9f2fdf794445079dfd4db31176b87f/FLAGf566c60c0 [2018-11-28 23:59:16,023 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a20ab774b/8c9f2fdf794445079dfd4db31176b87f [2018-11-28 23:59:16,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:59:16,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:59:16,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:59:16,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:59:16,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:59:16,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16, skipping insertion in model container [2018-11-28 23:59:16,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:59:16,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:59:16,530 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:59:16,552 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:59:16,632 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:59:16,768 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:59:16,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16 WrapperNode [2018-11-28 23:59:16,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:59:16,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:59:16,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:59:16,770 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:59:16,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:59:16,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:59:16,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:59:16,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:59:16,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (1/1) ... [2018-11-28 23:59:16,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:59:16,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:59:16,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:59:16,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:59:16,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (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 [2018-11-28 23:59:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:59:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:59:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:59:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:59:18,125 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:59:18,126 INFO L280 CfgBuilder]: Removed 156 assue(true) statements. [2018-11-28 23:59:18,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:18 BoogieIcfgContainer [2018-11-28 23:59:18,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:59:18,127 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:59:18,127 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:59:18,131 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:59:18,132 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:18,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:59:16" (1/3) ... [2018-11-28 23:59:18,133 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2172c3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:18, skipping insertion in model container [2018-11-28 23:59:18,133 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:18,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:16" (2/3) ... [2018-11-28 23:59:18,134 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2172c3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:18, skipping insertion in model container [2018-11-28 23:59:18,134 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:18,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:18" (3/3) ... [2018-11-28 23:59:18,136 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product21_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:18,197 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:59:18,198 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:59:18,198 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:59:18,198 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:59:18,198 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:59:18,199 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:59:18,199 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:59:18,199 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:59:18,199 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:59:18,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2018-11-28 23:59:18,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-28 23:59:18,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:18,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:18,261 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:18,261 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:18,262 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:59:18,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2018-11-28 23:59:18,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-28 23:59:18,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:18,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:18,271 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:18,271 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:18,278 INFO L794 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 5#L-1true havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 68#L696true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 97#L704true main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 15#L791true assume 0 != main_~tmp~7; 52#L768true havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 94#L814-1true [2018-11-28 23:59:18,279 INFO L796 eck$LassoCheckResult]: Loop: 94#L814-1true assume !false; 51#L242true assume test_~splverifierCounter~0 < 4; 17#L243true test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 26#L251true assume !(0 != test_~tmp~3); 24#L251-1true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 67#L261true assume !(0 != test_~tmp___0~1); 91#L261-1true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 8#L271true assume 0 != test_~tmp___2~0; 98#L277-2true assume !(0 != ~pumpRunning~0); 104#L57true assume !(0 != ~systemActive~0); 31#L64true havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 10#L907true __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 93#L814true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 94#L814-1true [2018-11-28 23:59:18,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:18,294 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:59:18,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:18,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:18,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:18,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:18,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:18,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:18,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298494, now seen corresponding path program 1 times [2018-11-28 23:59:18,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:18,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:18,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:18,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:18,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:18,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:18,644 INFO L82 PathProgramCache]: Analyzing trace with hash 33980444, now seen corresponding path program 1 times [2018-11-28 23:59:18,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:18,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:18,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:18,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:18,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:59:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:59:18,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:59:18,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:59:18,988 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:59:19,130 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:59:19,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:59:19,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:59:19,158 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 6 states. [2018-11-28 23:59:19,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:59:19,323 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2018-11-28 23:59:19,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 23:59:19,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 142 transitions. [2018-11-28 23:59:19,342 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-28 23:59:19,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2018-11-28 23:59:19,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2018-11-28 23:59:19,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2018-11-28 23:59:19,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2018-11-28 23:59:19,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:59:19,354 INFO L705 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-11-28 23:59:19,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2018-11-28 23:59:19,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-28 23:59:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-28 23:59:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2018-11-28 23:59:19,397 INFO L728 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-11-28 23:59:19,398 INFO L608 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-11-28 23:59:19,398 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:59:19,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2018-11-28 23:59:19,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-28 23:59:19,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:19,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:19,402 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:19,402 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:19,403 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 243#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 244#L696 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 285#L704 main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 288#L791 assume 0 != main_~tmp~7; 263#L768 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 264#L814-1 [2018-11-28 23:59:19,403 INFO L796 eck$LassoCheckResult]: Loop: 264#L814-1 assume !false; 257#L242 assume test_~splverifierCounter~0 < 4; 258#L243 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 295#L251 assume !(0 != test_~tmp~3); 309#L251-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 282#L261 assume !(0 != test_~tmp___0~1); 283#L261-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 251#L271 assume 0 != test_~tmp___2~0; 248#L277-2 assume !(0 != ~pumpRunning~0); 279#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 296#L115 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret0, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 297#L89-1 assume !(0 != ~pumpRunning~0); 287#L64 havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 260#L907 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 261#L814 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 264#L814-1 [2018-11-28 23:59:19,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:19,404 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:59:19,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:19,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:19,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:19,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:19,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:19,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:19,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522604, now seen corresponding path program 1 times [2018-11-28 23:59:19,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:19,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:19,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:19,522 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:59:19,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:19,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:19,541 INFO L82 PathProgramCache]: Analyzing trace with hash 441062446, now seen corresponding path program 1 times [2018-11-28 23:59:19,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:19,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:19,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:19,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:19,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:19,805 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:59:20,006 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:59:27,231 WARN L180 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:59:30,359 WARN L180 SmtUtils]: Spent 3.13 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:59:30,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:59:30 BoogieIcfgContainer [2018-11-28 23:59:30,431 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:59:30,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:59:30,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:59:30,432 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:59:30,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:18" (3/4) ... [2018-11-28 23:59:30,437 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:59:30,497 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:59:30,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:59:30,501 INFO L168 Benchmark]: Toolchain (without parser) took 14473.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 322.4 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -70.0 MB). Peak memory consumption was 252.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:30,502 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 23:59:30,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:30,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.43 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:30,504 INFO L168 Benchmark]: Boogie Preprocessor took 73.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:59:30,505 INFO L168 Benchmark]: RCFGBuilder took 1203.15 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: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:30,505 INFO L168 Benchmark]: BuchiAutomizer took 12303.77 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.8 MB). Peak memory consumption was 352.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:30,507 INFO L168 Benchmark]: Witness Printer took 68.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:30,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 739.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.43 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1203.15 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: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12303.77 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.8 MB). Peak memory consumption was 352.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 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 6 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 11.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 137 SDtfs, 418 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 241]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=34, NULL=22, NULL=0, retValue_acc=1, NULL=38, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=24, tmp=0, NULL=14, NULL=29, methaneLevelCritical=0, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2db345cf=0, tmp=0, NULL=0, NULL=0, NULL=33, tmp___1=0, NULL=0, NULL=0, NULL=0, cleanupTimeShifts=4, NULL=17, NULL=8, NULL=27, tmp___0=0, NULL=12, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=16, NULL=0, NULL=18, NULL=20, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=37, \result=1, NULL=31, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a9b7d23=0, \result=0, NULL=23, NULL=28, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@184f7b3a=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58ac06b9=56, retValue_acc=1, NULL=0, tmp=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=39, NULL=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1aa50e7f=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73e72131=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a283a40=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cd751c0=0, NULL=19, NULL=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37af59fa=0, NULL=15, NULL=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L474] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int cleanupTimeShifts = 4; [L832] int waterLevel = 1; [L833] int methaneLevelCritical = 0; [L782] int retValue_acc ; [L783] int tmp ; [L700] int retValue_acc ; [L703] retValue_acc = 1 [L704] return (retValue_acc); [L789] tmp = valid_product() [L791] COND TRUE \read(tmp) [L232] int splverifierCounter ; [L233] int tmp ; [L234] int tmp___0 ; [L235] int tmp___1 ; [L236] int tmp___2 ; [L239] splverifierCounter = 0 Loop: [L241] COND TRUE 1 [L243] COND TRUE splverifierCounter < 4 [L249] tmp = __VERIFIER_nondet_int() [L251] COND FALSE !(\read(tmp)) [L259] tmp___0 = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp___0)) [L269] tmp___2 = __VERIFIER_nondet_int() [L271] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L112] int tmp ; [L115] COND FALSE !(\read(pumpRunning)) [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L807] int tmp ; [L808] int tmp___0 ; [L903] int retValue_acc ; [L906] retValue_acc = waterLevel [L907] return (retValue_acc); [L812] tmp = getWaterLevel() [L814] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...