./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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_spec1_product03_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 76dc507b12cb3a2bccac05c4e284ee3cd573db6d ............................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-14 04:12:25,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:12:25,995 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:12:26,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:12:26,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:12:26,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:12:26,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:12:26,028 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:12:26,030 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:12:26,033 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:12:26,034 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:12:26,034 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:12:26,035 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:12:26,042 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:12:26,048 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:12:26,049 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:12:26,050 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:12:26,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:12:26,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:12:26,064 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:12:26,065 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:12:26,067 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:12:26,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:12:26,072 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:12:26,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:12:26,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:12:26,075 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:12:26,077 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:12:26,078 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:12:26,079 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:12:26,079 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:12:26,080 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:12:26,080 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:12:26,080 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:12:26,084 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:12:26,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:12:26,085 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:12:26,112 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:12:26,113 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:12:26,114 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:12:26,114 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:12:26,115 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:12:26,115 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:12:26,115 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:12:26,115 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:12:26,115 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:12:26,115 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:12:26,116 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:12:26,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:12:26,116 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:12:26,116 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:12:26,116 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:12:26,116 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:12:26,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:12:26,118 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:12:26,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:12:26,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:12:26,118 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:12:26,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:12:26,119 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:12:26,119 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:12:26,119 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:12:26,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:12:26,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:12:26,119 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:12:26,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:12:26,120 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:12:26,121 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:12:26,121 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:12:26,122 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 -> 76dc507b12cb3a2bccac05c4e284ee3cd573db6d [2019-01-14 04:12:26,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:12:26,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:12:26,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:12:26,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:12:26,183 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:12:26,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2019-01-14 04:12:26,240 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb83d99a/4da942dda59c4ef88064280a1066eedd/FLAG7727281ec [2019-01-14 04:12:26,797 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:12:26,798 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2019-01-14 04:12:26,818 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb83d99a/4da942dda59c4ef88064280a1066eedd/FLAG7727281ec [2019-01-14 04:12:27,020 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb83d99a/4da942dda59c4ef88064280a1066eedd [2019-01-14 04:12:27,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:12:27,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:12:27,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:12:27,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:12:27,031 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:12:27,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a146d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27, skipping insertion in model container [2019-01-14 04:12:27,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:12:27,096 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:12:27,520 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:12:27,540 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:12:27,642 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:12:27,682 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:12:27,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27 WrapperNode [2019-01-14 04:12:27,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:12:27,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:12:27,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:12:27,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:12:27,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:12:27,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:12:27,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:12:27,819 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:12:27,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:12:27,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:12:27,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:12:27,857 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:12:27,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (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 [2019-01-14 04:12:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:12:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:12:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:12:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:12:28,886 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:12:28,886 INFO L286 CfgBuilder]: Removed 70 assue(true) statements. [2019-01-14 04:12:28,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:12:28 BoogieIcfgContainer [2019-01-14 04:12:28,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:12:28,890 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:12:28,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:12:28,894 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:12:28,895 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:12:28,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:12:27" (1/3) ... [2019-01-14 04:12:28,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ecb9f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:12:28, skipping insertion in model container [2019-01-14 04:12:28,897 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:12:28,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27" (2/3) ... [2019-01-14 04:12:28,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ecb9f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:12:28, skipping insertion in model container [2019-01-14 04:12:28,898 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:12:28,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:12:28" (3/3) ... [2019-01-14 04:12:28,901 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product03_true-unreach-call_false-termination.cil.c [2019-01-14 04:12:28,966 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:12:28,967 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:12:28,967 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:12:28,967 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:12:28,968 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:12:28,968 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:12:28,968 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:12:28,968 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:12:28,968 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:12:28,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-01-14 04:12:29,039 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-14 04:12:29,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:12:29,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:12:29,048 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:12:29,049 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:12:29,049 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:12:29,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-01-14 04:12:29,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-14 04:12:29,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:12:29,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:12:29,055 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:12:29,055 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:12:29,061 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25); 8#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 32#L137true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 45#L145true main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 27#L443true assume 0 != main_~tmp~1; 3#L420true 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; 42#L474-1true [2019-01-14 04:12:29,062 INFO L796 eck$LassoCheckResult]: Loop: 42#L474-1true assume !false; 38#L56true assume test_~splverifierCounter~0 < 4; 56#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 11#L65true assume !(0 != test_~tmp~0); 9#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 53#L75true assume !(0 != test_~tmp___0~0); 51#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 34#L85true assume 0 != test_~tmp___2~0; 4#L91-1true assume !(0 != ~pumpRunning~0); 14#L165true assume !(0 != ~systemActive~0); 25#L172true havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 41#L324true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 57#L474true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 42#L474-1true [2019-01-14 04:12:29,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:29,068 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:12:29,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:29,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:29,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:29,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:29,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:29,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:29,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2019-01-14 04:12:29,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:29,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:29,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:29,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:29,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:29,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:29,919 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2019-01-14 04:12:29,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:29,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:29,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:29,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:29,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:12:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:12:30,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:12:30,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:12:30,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:12:30,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:12:30,340 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2019-01-14 04:12:30,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:12:30,680 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2019-01-14 04:12:30,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:12:30,683 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2019-01-14 04:12:30,691 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2019-01-14 04:12:30,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2019-01-14 04:12:30,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-01-14 04:12:30,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-01-14 04:12:30,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2019-01-14 04:12:30,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:12:30,705 INFO L706 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2019-01-14 04:12:30,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2019-01-14 04:12:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2019-01-14 04:12:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-01-14 04:12:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-01-14 04:12:30,749 INFO L729 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-01-14 04:12:30,749 INFO L609 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-01-14 04:12:30,749 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:12:30,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-01-14 04:12:30,753 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-01-14 04:12:30,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:12:30,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:12:30,754 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:12:30,754 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:12:30,754 INFO L794 eck$LassoCheckResult]: Stem: 257#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25); 241#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 242#L137 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 264#L145 main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 261#L443 assume 0 != main_~tmp~1; 230#L420 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; 231#L474-1 [2019-01-14 04:12:30,755 INFO L796 eck$LassoCheckResult]: Loop: 231#L474-1 assume !false; 272#L56 assume test_~splverifierCounter~0 < 4; 273#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 246#L65 assume !(0 != test_~tmp~0); 243#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 244#L75 assume !(0 != test_~tmp___0~0); 249#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 267#L85 assume 0 != test_~tmp___2~0; 232#L91-1 assume !(0 != ~pumpRunning~0); 234#L165 assume 0 != ~systemActive~0; 247#L172 havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 260#L324 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 274#L474 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 231#L474-1 [2019-01-14 04:12:30,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:30,758 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:12:30,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:30,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:30,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:30,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:31,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:31,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2019-01-14 04:12:31,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:31,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:31,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:31,067 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:12:31,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:31,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:31,079 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2019-01-14 04:12:31,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:31,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:31,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:31,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:31,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:31,728 WARN L181 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-14 04:12:31,917 WARN L181 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-14 04:12:59,605 WARN L181 SmtUtils]: Spent 27.67 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:13:12,901 WARN L181 SmtUtils]: Spent 13.29 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:13:13,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:13:13 BoogieIcfgContainer [2019-01-14 04:13:13,005 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:13:13,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:13:13,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:13:13,006 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:13:13,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:12:28" (3/4) ... [2019-01-14 04:13:13,013 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:13:13,107 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:13:13,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:13:13,108 INFO L168 Benchmark]: Toolchain (without parser) took 46083.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.6 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -47.4 MB). Peak memory consumption was 256.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:13,109 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-01-14 04:13:13,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.21 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 929.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:13,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.07 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:13,112 INFO L168 Benchmark]: Boogie Preprocessor took 37.36 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. [2019-01-14 04:13:13,112 INFO L168 Benchmark]: RCFGBuilder took 1031.80 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:13,113 INFO L168 Benchmark]: BuchiAutomizer took 44115.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.8 MB). Peak memory consumption was 408.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:13,115 INFO L168 Benchmark]: Witness Printer took 101.72 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:13:13,128 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 656.21 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 929.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.07 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.36 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 1031.80 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44115.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.8 MB). Peak memory consumption was 408.2 MB. Max. memory is 11.5 GB. * Witness Printer took 101.72 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. 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 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 43.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 263 SDslu, 362 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=-22, NULL=0, NULL=0, NULL=0, NULL=-8, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a3ea1f7=0, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12c57679=70, NULL=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3474eab4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c5c5e2=0, NULL=-12, NULL=-10, NULL=-17, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=-15, NULL=-13, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=-18, NULL=-9, NULL=-11, NULL=-25, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-14, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-3, \result=0, NULL=-6, NULL=0, NULL=-21, tmp=1, NULL=0, tmp=0, NULL=0, NULL=-24, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@145530d8=0, tmp___2=70, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4815a6c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b32a022=0, head=0, NULL=-4, NULL=-7, NULL=0, NULL=0, NULL=0, NULL=-19, NULL=-1, NULL=-16, NULL=-20} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L281] int waterLevel = 1; [L282] int methaneLevelCritical = 0; [L361] int cleanupTimeShifts = 4; [L661] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L434] int retValue_acc ; [L435] int tmp ; [L141] int retValue_acc ; [L144] retValue_acc = 1 [L145] return (retValue_acc); [L441] tmp = valid_product() [L443] 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) [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L467] int tmp ; [L468] int tmp___0 ; [L320] int retValue_acc ; [L323] retValue_acc = methaneLevelCritical [L324] return (retValue_acc); [L472] tmp = isMethaneLevelCritical() [L474] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...