./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product08_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_spec4_product08_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 f0335c6392c59c467837b14da92286fa43b99dfc ........................................................................................................................................................................................................................................................................................................................................................... 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 04:25:32,895 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:25:32,897 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:25:32,909 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:25:32,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:25:32,910 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:25:32,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:25:32,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:25:32,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:25:32,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:25:32,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:25:32,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:25:32,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:25:32,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:25:32,920 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:25:32,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:25:32,922 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:25:32,924 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:25:32,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:25:32,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:25:32,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:25:32,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:25:32,932 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:25:32,932 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:25:32,932 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:25:32,933 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:25:32,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:25:32,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:25:32,936 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:25:32,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:25:32,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:25:32,938 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:25:32,938 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:25:32,938 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:25:32,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:25:32,943 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:25:32,944 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:25:32,974 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:25:32,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:25:32,978 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:25:32,979 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:25:32,979 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:25:32,979 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:25:32,980 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:25:32,981 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:25:32,981 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:25:32,981 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:25:32,981 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:25:32,981 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:25:32,982 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:25:32,982 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:25:32,982 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:25:32,983 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:25:32,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:25:32,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:25:32,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:25:32,983 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:25:32,983 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:25:32,983 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:25:32,984 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:25:32,984 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:25:32,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:25:32,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:25:32,984 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:25:32,985 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:25:32,988 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:25:32,988 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:25:32,988 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:25:32,989 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:25:32,989 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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-01-14 04:25:33,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:25:33,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:25:33,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:25:33,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:25:33,053 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:25:33,053 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:25:33,124 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b3f95ac/129a4066595d4cf5964fdcf3c3039e30/FLAGdb66d404d [2019-01-14 04:25:33,602 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:25:33,603 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:25:33,615 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b3f95ac/129a4066595d4cf5964fdcf3c3039e30/FLAGdb66d404d [2019-01-14 04:25:33,922 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b3f95ac/129a4066595d4cf5964fdcf3c3039e30 [2019-01-14 04:25:33,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:25:33,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:25:33,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:25:33,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:25:33,934 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:25:33,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:25:33" (1/1) ... [2019-01-14 04:25:33,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700d6f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:33, skipping insertion in model container [2019-01-14 04:25:33,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:25:33" (1/1) ... [2019-01-14 04:25:33,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:25:33,994 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:25:34,412 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:25:34,432 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:25:34,623 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:25:34,663 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:25:34,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34 WrapperNode [2019-01-14 04:25:34,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:25:34,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:25:34,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:25:34,665 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:25:34,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:25:34,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:25:34,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:25:34,731 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:25:34,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... [2019-01-14 04:25:34,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:25:34,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:25:34,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:25:34,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:25:34,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:25:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:25:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:25:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:25:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:25:35,925 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:25:35,926 INFO L286 CfgBuilder]: Removed 102 assue(true) statements. [2019-01-14 04:25:35,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:25:35 BoogieIcfgContainer [2019-01-14 04:25:35,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:25:35,928 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:25:35,928 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:25:35,932 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:25:35,933 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:25:35,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:25:33" (1/3) ... [2019-01-14 04:25:35,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42c4c66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:25:35, skipping insertion in model container [2019-01-14 04:25:35,934 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:25:35,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:34" (2/3) ... [2019-01-14 04:25:35,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42c4c66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:25:35, skipping insertion in model container [2019-01-14 04:25:35,938 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:25:35,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:25:35" (3/3) ... [2019-01-14 04:25:35,941 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:25:36,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:25:36,007 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:25:36,007 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:25:36,008 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:25:36,008 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:25:36,008 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:25:36,008 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:25:36,008 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:25:36,008 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:25:36,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-01-14 04:25:36,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-14 04:25:36,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:25:36,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:25:36,060 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:25:36,060 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:25:36,060 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:25:36,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-01-14 04:25:36,070 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-14 04:25:36,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:25:36,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:25:36,072 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:25:36,072 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:25:36,078 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);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(75, #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(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 9#L-1true havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 38#L151true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 57#L159true main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 29#L249true assume 0 != main_~tmp~0; 62#L225true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 58#L639-1true [2019-01-14 04:25:36,079 INFO L796 eck$LassoCheckResult]: Loop: 58#L639-1true assume !false; 39#L828true assume test_~splverifierCounter~0 < 4; 60#L829true test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; 17#L837true assume !(0 != test_~tmp~6); 3#L837-1true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 70#L847true assume !(0 != test_~tmp___0~1); 49#L847-1true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 31#L857true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 54#L865-1true assume !(0 != ~pumpRunning~0); 64#L668true assume !(0 != ~systemActive~0); 50#L675true havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 30#L121true __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 7#L639true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 58#L639-1true [2019-01-14 04:25:36,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:36,097 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:25:36,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:36,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:36,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:36,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:36,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:36,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:36,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356212, now seen corresponding path program 1 times [2019-01-14 04:25:36,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:36,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:36,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:36,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:36,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:25:37,085 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 04:25:37,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:25:37,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:25:37,091 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:25:37,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:25:37,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:25:37,108 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2019-01-14 04:25:37,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:25:37,246 INFO L93 Difference]: Finished difference Result 130 states and 180 transitions. [2019-01-14 04:25:37,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:25:37,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 180 transitions. [2019-01-14 04:25:37,254 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2019-01-14 04:25:37,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 116 states and 165 transitions. [2019-01-14 04:25:37,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-01-14 04:25:37,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-01-14 04:25:37,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 165 transitions. [2019-01-14 04:25:37,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:25:37,266 INFO L706 BuchiCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-01-14 04:25:37,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 165 transitions. [2019-01-14 04:25:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-01-14 04:25:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-01-14 04:25:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2019-01-14 04:25:37,300 INFO L729 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-01-14 04:25:37,300 INFO L609 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-01-14 04:25:37,300 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:25:37,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2019-01-14 04:25:37,303 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2019-01-14 04:25:37,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:25:37,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:25:37,304 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:25:37,305 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:25:37,306 INFO L794 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);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(75, #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(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 219#L-1 havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 220#L151 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 258#L159 main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 245#L249 assume 0 != main_~tmp~0; 246#L225 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 210#L639-1 [2019-01-14 04:25:37,306 INFO L796 eck$LassoCheckResult]: Loop: 210#L639-1 assume !false; 259#L828 assume test_~splverifierCounter~0 < 4; 260#L829 test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; 227#L837 assume !(0 != test_~tmp~6); 207#L837-1 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 208#L847 assume !(0 != test_~tmp___0~1); 224#L847-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 248#L857 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 249#L865-1 assume !(0 != ~pumpRunning~0); 236#L668 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 261#L700 assume !(0 != ~pumpRunning~0); 263#L675 havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 247#L121 __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 215#L639 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 210#L639-1 [2019-01-14 04:25:37,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:37,307 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:25:37,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:37,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:37,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:37,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:37,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:37,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:37,730 INFO L82 PathProgramCache]: Analyzing trace with hash -323963301, now seen corresponding path program 1 times [2019-01-14 04:25:37,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:37,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:37,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:37,733 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:25:37,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:37,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:37,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076225, now seen corresponding path program 1 times [2019-01-14 04:25:37,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:37,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:37,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:37,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:37,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:38,577 WARN L181 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-01-14 04:25:38,711 WARN L181 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:26:06,081 WARN L181 SmtUtils]: Spent 27.35 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:26:19,545 WARN L181 SmtUtils]: Spent 13.46 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:26:19,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:26:19 BoogieIcfgContainer [2019-01-14 04:26:19,613 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:26:19,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:26:19,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:26:19,614 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:26:19,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:25:35" (3/4) ... [2019-01-14 04:26:19,619 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:26:19,675 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:26:19,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:26:19,676 INFO L168 Benchmark]: Toolchain (without parser) took 45749.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 951.3 MB in the beginning and 967.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 302.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:19,678 INFO L168 Benchmark]: CDTParser took 0.15 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 04:26:19,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:19,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.90 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:19,680 INFO L168 Benchmark]: Boogie Preprocessor took 41.42 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 04:26:19,681 INFO L168 Benchmark]: RCFGBuilder took 1154.92 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:19,682 INFO L168 Benchmark]: BuchiAutomizer took 43685.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.5 MB). Free memory was 1.1 GB in the beginning and 969.3 MB in the end (delta: 104.3 MB). Peak memory consumption was 407.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:19,683 INFO L168 Benchmark]: Witness Printer took 62.03 ms. Allocated memory is still 1.3 GB. Free memory was 969.3 MB in the beginning and 967.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:19,688 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 734.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.90 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.42 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 1154.92 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43685.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.5 MB). Free memory was 1.1 GB in the beginning and 969.3 MB in the end (delta: 104.3 MB). Peak memory consumption was 407.0 MB. Max. memory is 11.5 GB. * Witness Printer took 62.03 ms. Allocated memory is still 1.3 GB. Free memory was 969.3 MB in the beginning and 967.3 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 3 locations. The remainder module has 114 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 43.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 114 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 88 SDslu, 80 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 827]: 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=0, NULL=0, NULL=0, NULL=-8, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=-1, NULL=0, NULL=0, NULL=0, NULL=-24, NULL=-20, methaneLevelCritical=0, NULL=-11, NULL=-6, tmp=0, NULL=0, tmp___1=0, tmp___0=0, NULL=-13, cleanupTimeShifts=4, NULL=-16, NULL=-15, NULL=-19, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43ba27ec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a74fb42=0, NULL=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d8f0cc3=0, NULL=-23, NULL=0, NULL=0, NULL=-21, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=-14, NULL=-25, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d28e16a=57, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@242d3423=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7543e1bc=0, NULL=0, NULL=-17, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34be57cf=0, tmp=1, NULL=-9, tmp___2=57, NULL=-3, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2988a763=0, NULL=-7, head=0, tmp=0, NULL=-5, NULL=0, NULL=-10, NULL=0, NULL=-4, NULL=-18, NULL=-22, NULL=-2} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L164] int cleanupTimeShifts = 4; [L432] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L661] int pumpRunning = 0; [L662] int systemActive = 1; [L240] int retValue_acc ; [L241] int tmp ; [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); [L247] tmp = valid_product() [L249] COND TRUE \read(tmp) [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L812] systemActive = 1 [L668] COND FALSE !(\read(pumpRunning)) [L675] COND TRUE \read(systemActive) [L697] int tmp ; [L700] COND FALSE !(\read(pumpRunning)) [L632] int tmp ; [L633] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L637] tmp = getWaterLevel() [L639] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...