./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product29_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_spec2_product29_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 66834ce7ab851f30f4141210f1887a35b259a922 ........................................................................................................................................................................................................................................................................................................................................................................ 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 04:19:17,965 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:19:17,966 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:19:17,979 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:19:17,979 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:19:17,980 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:19:17,982 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:19:17,983 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:19:17,985 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:19:17,986 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:19:17,987 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:19:17,987 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:19:17,988 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:19:17,989 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:19:17,990 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:19:17,991 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:19:17,993 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:19:17,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:19:17,999 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:19:18,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:19:18,004 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:19:18,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:19:18,012 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:19:18,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:19:18,013 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:19:18,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:19:18,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:19:18,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:19:18,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:19:18,021 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:19:18,021 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:19:18,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:19:18,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:19:18,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:19:18,025 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:19:18,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:19:18,028 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:19:18,052 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:19:18,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:19:18,054 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:19:18,057 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:19:18,058 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:19:18,058 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:19:18,058 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:19:18,058 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:19:18,058 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:19:18,058 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:19:18,059 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:19:18,060 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:19:18,060 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:19:18,060 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:19:18,060 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:19:18,061 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:19:18,061 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:19:18,061 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:19:18,061 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:19:18,061 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:19:18,062 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:19:18,063 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:19:18,064 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:19:18,064 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:19:18,064 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:19:18,064 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:19:18,064 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:19:18,065 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:19:18,065 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:19:18,065 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:19:18,065 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:19:18,066 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:19:18,067 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 -> 66834ce7ab851f30f4141210f1887a35b259a922 [2019-01-14 04:19:18,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:19:18,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:19:18,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:19:18,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:19:18,137 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:19:18,138 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:18,196 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d92be3633/56106ab8e0cd47c4b59589f9d9c831a6/FLAG7f4b9f7c2 [2019-01-14 04:19:18,645 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:19:18,646 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:18,660 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d92be3633/56106ab8e0cd47c4b59589f9d9c831a6/FLAG7f4b9f7c2 [2019-01-14 04:19:18,940 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d92be3633/56106ab8e0cd47c4b59589f9d9c831a6 [2019-01-14 04:19:18,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:19:18,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:19:18,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:19:18,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:19:18,951 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:19:18,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:19:18" (1/1) ... [2019-01-14 04:19:18,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0ac638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:18, skipping insertion in model container [2019-01-14 04:19:18,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:19:18" (1/1) ... [2019-01-14 04:19:18,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:19:19,027 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:19:19,404 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:19:19,431 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:19:19,522 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:19:19,646 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:19:19,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19 WrapperNode [2019-01-14 04:19:19,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:19:19,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:19:19,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:19:19,648 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:19:19,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:19:19,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:19:19,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:19:19,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:19:19,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (1/1) ... [2019-01-14 04:19:19,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:19:19,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:19:19,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:19:19,824 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:19:19,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (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 04:19:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:19:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:19:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:19:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:19:21,255 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:19:21,255 INFO L286 CfgBuilder]: Removed 158 assue(true) statements. [2019-01-14 04:19:21,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:21 BoogieIcfgContainer [2019-01-14 04:19:21,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:19:21,257 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:19:21,257 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:19:21,260 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:19:21,261 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:21,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:19:18" (1/3) ... [2019-01-14 04:19:21,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b6d4cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:19:21, skipping insertion in model container [2019-01-14 04:19:21,262 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:21,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:19" (2/3) ... [2019-01-14 04:19:21,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b6d4cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:19:21, skipping insertion in model container [2019-01-14 04:19:21,263 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:21,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:21" (3/3) ... [2019-01-14 04:19:21,265 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:21,314 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:19:21,315 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:19:21,315 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:19:21,315 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:19:21,317 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:19:21,317 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:19:21,317 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:19:21,317 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:19:21,318 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:19:21,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-01-14 04:19:21,362 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-14 04:19:21,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:21,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:21,370 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:21,371 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:21,371 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:19:21,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-01-14 04:19:21,379 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-14 04:19:21,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:21,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:21,380 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:21,380 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:21,386 INFO L794 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25); 7#L-1true havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 82#L484true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 102#L492true main_#t~ret25 := valid_product_#res;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 3#L409true assume 0 != main_~tmp~5; 19#L381true ~methAndRunningLastTime~0 := 0; 86#L429true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 90#L440-1true [2019-01-14 04:19:21,387 INFO L796 eck$LassoCheckResult]: Loop: 90#L440-1true assume !false; 70#L259true assume test_~splverifierCounter~0 < 4; 25#L260true test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 32#L268true assume !(0 != test_~tmp~4); 30#L268-1true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 80#L278true assume !(0 != test_~tmp___0~1); 77#L278-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 8#L288true assume 0 != test_~tmp___2~0; 100#L294-2true assume !(0 != ~pumpRunning~0); 108#L57true assume !(0 != ~systemActive~0); 45#L64true havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 10#L541-1true __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 84#L440true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 90#L440-1true [2019-01-14 04:19:21,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:21,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:19:21,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:21,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:21,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:21,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:21,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:22,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:22,345 INFO L82 PathProgramCache]: Analyzing trace with hash 3984522, now seen corresponding path program 1 times [2019-01-14 04:19:22,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:22,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:22,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:22,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:22,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:22,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:22,362 INFO L82 PathProgramCache]: Analyzing trace with hash 837281028, now seen corresponding path program 1 times [2019-01-14 04:19:22,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:22,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:22,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:22,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:22,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:19:22,692 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 04:19:22,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:19:22,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:19:22,934 WARN L181 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:19:23,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:19:23,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:19:23,051 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 6 states. [2019-01-14 04:19:23,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:19:23,441 INFO L93 Difference]: Finished difference Result 106 states and 149 transitions. [2019-01-14 04:19:23,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 04:19:23,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 149 transitions. [2019-01-14 04:19:23,448 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-01-14 04:19:23,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2019-01-14 04:19:23,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2019-01-14 04:19:23,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2019-01-14 04:19:23,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2019-01-14 04:19:23,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:19:23,460 INFO L706 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-14 04:19:23,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2019-01-14 04:19:23,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-01-14 04:19:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-01-14 04:19:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2019-01-14 04:19:23,497 INFO L729 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-14 04:19:23,497 INFO L609 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-14 04:19:23,497 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:19:23,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2019-01-14 04:19:23,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-01-14 04:19:23,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:23,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:23,501 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:23,501 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:23,501 INFO L794 eck$LassoCheckResult]: Stem: 323#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25); 236#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 237#L484 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 325#L492 main_#t~ret25 := valid_product_#res;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 230#L409 assume 0 != main_~tmp~5; 231#L381 ~methAndRunningLastTime~0 := 0; 261#L429 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 284#L440-1 [2019-01-14 04:19:23,502 INFO L796 eck$LassoCheckResult]: Loop: 284#L440-1 assume !false; 320#L259 assume test_~splverifierCounter~0 < 4; 272#L260 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 273#L268 assume !(0 != test_~tmp~4); 250#L268-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 279#L278 assume !(0 != test_~tmp___0~1); 322#L278-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 238#L288 assume 0 != test_~tmp___2~0; 240#L294-2 assume !(0 != ~pumpRunning~0); 314#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 328#L115 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret0, processEnvironment__wrappee__methaneQuery_~tmp~0;havoc processEnvironment__wrappee__methaneQuery_~tmp~0; 286#L89-1 assume !(0 != ~pumpRunning~0); 287#L64 havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 243#L541-1 __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 244#L440 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 284#L440-1 [2019-01-14 04:19:23,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:23,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:19:23,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:23,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:23,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:23,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:23,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:23,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:23,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1679746780, now seen corresponding path program 1 times [2019-01-14 04:19:23,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:23,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:23,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:23,935 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:19:23,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:23,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:23,955 INFO L82 PathProgramCache]: Analyzing trace with hash -681195306, now seen corresponding path program 1 times [2019-01-14 04:19:23,956 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:23,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:23,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:23,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:23,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:24,749 WARN L181 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:19:24,970 WARN L181 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:19:53,849 WARN L181 SmtUtils]: Spent 28.87 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:20:08,259 WARN L181 SmtUtils]: Spent 14.40 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:20:08,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:20:08 BoogieIcfgContainer [2019-01-14 04:20:08,340 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:20:08,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:20:08,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:20:08,341 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:20:08,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:21" (3/4) ... [2019-01-14 04:20:08,347 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:20:08,460 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:20:08,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:20:08,461 INFO L168 Benchmark]: Toolchain (without parser) took 49516.64 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 866.0 MB in the end (delta: 86.7 MB). Peak memory consumption was 409.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:20:08,463 INFO L168 Benchmark]: CDTParser took 0.14 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 04:20:08,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -192.5 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:20:08,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.95 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:20:08,466 INFO L168 Benchmark]: Boogie Preprocessor took 88.22 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 04:20:08,466 INFO L168 Benchmark]: RCFGBuilder took 1432.49 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: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:20:08,468 INFO L168 Benchmark]: BuchiAutomizer took 47083.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 868.0 MB in the end (delta: 206.2 MB). Peak memory consumption was 411.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:20:08,468 INFO L168 Benchmark]: Witness Printer took 119.92 ms. Allocated memory is still 1.4 GB. Free memory was 868.0 MB in the beginning and 866.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:20:08,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 700.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -192.5 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.95 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.22 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 1432.49 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: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 47083.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 868.0 MB in the end (delta: 206.2 MB). Peak memory consumption was 411.7 MB. Max. memory is 11.5 GB. * Witness Printer took 119.92 ms. Allocated memory is still 1.4 GB. Free memory was 868.0 MB in the beginning and 866.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 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 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 47.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 46.4s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 144 SDtfs, 439 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 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: 258]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=14061} State at position 1 is {NULL=3559, NULL=0, NULL=0, NULL=14061, retValue_acc=0, NULL=-6, NULL=-2, NULL=0, NULL=0, NULL=-17, NULL=-12, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b9a9712=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=5265, NULL=0, tmp___1=0, NULL=-14, cleanupTimeShifts=4, NULL=-10, NULL=3558, NULL=0, systemActive=1, waterLevel=1, NULL=14060, NULL=0, NULL=0, NULL=0, NULL=-19, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33d43f53=0, NULL=-9, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dda0b41=0, NULL=-15, \result=0, NULL=0, NULL=0, NULL=-4, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ecac283=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1480340a=65, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2167363f=0, retValue_acc=1, NULL=-21, NULL=-18, NULL=0, NULL=-5, tmp___2=65, NULL=-7, tmp___0=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-11, NULL=-3, NULL=-20, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46ab5304=0, head=0, tmp=0, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a3b7c41=0, NULL=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17035389=0, NULL=0, NULL=0, NULL=-16, NULL=-13, tmp=0} - 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; [L322] int cleanupTimeShifts = 4; [L423] int methAndRunningLastTime ; [L498] int waterLevel = 1; [L499] int methaneLevelCritical = 0; [L756] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L400] int retValue_acc ; [L401] int tmp ; [L488] int retValue_acc ; [L491] retValue_acc = 1 [L492] return (retValue_acc); [L407] tmp = valid_product() [L409] COND TRUE \read(tmp) [L428] methAndRunningLastTime = 0 [L249] int splverifierCounter ; [L250] int tmp ; [L251] int tmp___0 ; [L252] int tmp___1 ; [L253] int tmp___2 ; [L256] splverifierCounter = 0 Loop: [L258] COND TRUE 1 [L260] COND TRUE splverifierCounter < 4 [L266] tmp = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp)) [L276] tmp___0 = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp___0)) [L286] tmp___2 = __VERIFIER_nondet_int() [L288] 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)) [L433] int tmp ; [L434] int tmp___0 ; [L537] int retValue_acc ; [L540] retValue_acc = methaneLevelCritical [L541] return (retValue_acc); [L438] tmp = isMethaneLevelCritical() [L440] COND FALSE !(\read(tmp)) [L456] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...