./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product11_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 f23bb253fda469390163082e0c766ae9a3058c00 .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:32:36,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:32:36,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:32:36,806 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:32:36,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:32:36,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:32:36,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:32:36,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:32:36,816 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:32:36,820 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:32:36,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:32:36,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:32:36,825 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:32:36,826 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:32:36,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:32:36,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:32:36,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:32:36,843 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:32:36,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:32:36,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:32:36,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:32:36,856 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:32:36,861 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:32:36,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:32:36,864 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:32:36,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:32:36,866 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:32:36,868 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:32:36,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:32:36,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:32:36,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:32:36,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:32:36,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:32:36,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:32:36,878 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:32:36,878 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:32:36,879 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:32:36,907 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:32:36,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:32:36,909 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:32:36,910 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:32:36,912 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:32:36,913 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:32:36,913 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:32:36,913 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:32:36,913 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:32:36,913 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:32:36,913 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:32:36,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:32:36,915 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:32:36,915 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:32:36,915 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:32:36,915 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:32:36,916 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:32:36,916 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:32:36,916 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:32:36,916 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:32:36,916 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:32:36,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:32:36,917 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:32:36,917 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:32:36,917 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:32:36,917 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:32:36,917 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:32:36,918 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:32:36,921 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:32:36,921 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:32:36,921 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:32:36,922 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:32:36,923 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 -> f23bb253fda469390163082e0c766ae9a3058c00 [2019-01-01 23:32:36,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:32:36,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:32:36,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:32:36,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:32:36,995 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:32:36,996 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:37,062 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb924227b/1da1420e39ae49d7961e25dae258b37b/FLAGfbc422533 [2019-01-01 23:32:37,598 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:32:37,599 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:37,615 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb924227b/1da1420e39ae49d7961e25dae258b37b/FLAGfbc422533 [2019-01-01 23:32:37,868 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb924227b/1da1420e39ae49d7961e25dae258b37b [2019-01-01 23:32:37,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:32:37,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:32:37,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:32:37,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:32:37,878 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:32:37,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:32:37" (1/1) ... [2019-01-01 23:32:37,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:37, skipping insertion in model container [2019-01-01 23:32:37,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:32:37" (1/1) ... [2019-01-01 23:32:37,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:32:37,942 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:32:38,306 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:32:38,322 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:32:38,419 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:32:38,465 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:32:38,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38 WrapperNode [2019-01-01 23:32:38,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:32:38,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:32:38,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:32:38,467 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:32:38,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:32:38,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:32:38,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:32:38,625 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:32:38,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... [2019-01-01 23:32:38,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:32:38,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:32:38,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:32:38,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:32:38,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:32:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:32:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:32:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:32:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:32:39,756 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:32:39,756 INFO L280 CfgBuilder]: Removed 70 assue(true) statements. [2019-01-01 23:32:39,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:39 BoogieIcfgContainer [2019-01-01 23:32:39,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:32:39,757 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:32:39,757 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:32:39,761 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:32:39,762 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:39,762 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:32:37" (1/3) ... [2019-01-01 23:32:39,763 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7edf6b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:32:39, skipping insertion in model container [2019-01-01 23:32:39,763 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:39,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:38" (2/3) ... [2019-01-01 23:32:39,764 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7edf6b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:32:39, skipping insertion in model container [2019-01-01 23:32:39,764 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:39,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:39" (3/3) ... [2019-01-01 23:32:39,766 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:39,824 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:32:39,825 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:32:39,825 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:32:39,825 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:32:39,825 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:32:39,825 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:32:39,826 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:32:39,826 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:32:39,826 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:32:39,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-01-01 23:32:39,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-01 23:32:39,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:32:39,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:32:39,883 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:32:39,883 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:32:39,883 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:32:39,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-01-01 23:32:39,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-01 23:32:39,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:32:39,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:32:39,890 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:32:39,890 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:32:39,896 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);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); 9#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 34#L166true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 57#L174true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 55#L130true assume 0 != main_~tmp~0; 18#L103true havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L492-1true [2019-01-01 23:32:39,898 INFO L796 eck$LassoCheckResult]: Loop: 49#L492-1true assume !false; 39#L338true assume test_~splverifierCounter~0 < 4; 52#L339true test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 13#L347true assume !(0 != test_~tmp~2); 15#L347-1true test_~tmp___0~0 := test_#t~nondet21;havoc test_#t~nondet21; 58#L357true assume !(0 != test_~tmp___0~0); 45#L357-1true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 44#L367true assume 0 != test_~tmp___2~0; 10#L373-1true assume !(0 != ~pumpRunning~0); 28#L194true assume !(0 != ~systemActive~0); 8#L201true havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 36#L447true __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; 47#L492true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 49#L492-1true [2019-01-01 23:32:39,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:39,912 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:32:39,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:39,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:39,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:39,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:39,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:40,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:40,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2019-01-01 23:32:40,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:40,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:40,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:40,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:40,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:40,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:40,976 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2019-01-01 23:32:40,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:40,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:40,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:40,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:40,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:32:41,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:32:41,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:32:41,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:32:41,507 WARN L181 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-01-01 23:32:41,658 WARN L181 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-01-01 23:32:41,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 23:32:41,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-01 23:32:41,734 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2019-01-01 23:32:42,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:32:42,150 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2019-01-01 23:32:42,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 23:32:42,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2019-01-01 23:32:42,163 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2019-01-01 23:32:42,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2019-01-01 23:32:42,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-01-01 23:32:42,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-01-01 23:32:42,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2019-01-01 23:32:42,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:32:42,181 INFO L705 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2019-01-01 23:32:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2019-01-01 23:32:42,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2019-01-01 23:32:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-01-01 23:32:42,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-01-01 23:32:42,221 INFO L728 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-01-01 23:32:42,221 INFO L608 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-01-01 23:32:42,222 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:32:42,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-01-01 23:32:42,225 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-01-01 23:32:42,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:32:42,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:32:42,227 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:32:42,227 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:32:42,228 INFO L794 eck$LassoCheckResult]: Stem: 258#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);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); 236#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 237#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 267#L174 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 279#L130 assume 0 != main_~tmp~0; 251#L103 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 252#L492-1 [2019-01-01 23:32:42,228 INFO L796 eck$LassoCheckResult]: Loop: 252#L492-1 assume !false; 272#L338 assume test_~splverifierCounter~0 < 4; 273#L339 test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 243#L347 assume !(0 != test_~tmp~2); 245#L347-1 test_~tmp___0~0 := test_#t~nondet21;havoc test_#t~nondet21; 246#L357 assume !(0 != test_~tmp___0~0); 277#L357-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 276#L367 assume 0 != test_~tmp___2~0; 238#L373-1 assume !(0 != ~pumpRunning~0); 240#L194 assume 0 != ~systemActive~0; 234#L201 havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 235#L447 __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; 269#L492 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 252#L492-1 [2019-01-01 23:32:42,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:42,228 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:32:42,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:42,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:42,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:42,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:42,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:42,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:42,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2019-01-01 23:32:42,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:42,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:42,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:42,616 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:32:42,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:42,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:42,629 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2019-01-01 23:32:42,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:42,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:42,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:42,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:42,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:43,364 WARN L181 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:32:43,627 WARN L181 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:33:09,706 WARN L181 SmtUtils]: Spent 26.06 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:33:24,707 WARN L181 SmtUtils]: Spent 15.00 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:33:24,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:33:24 BoogieIcfgContainer [2019-01-01 23:33:24,807 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:33:24,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:33:24,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:33:24,808 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:33:24,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:39" (3/4) ... [2019-01-01 23:33:24,817 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:33:24,922 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:33:24,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:33:24,923 INFO L168 Benchmark]: Toolchain (without parser) took 47050.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 947.3 MB in the beginning and 932.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 335.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:24,924 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:33:24,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.35 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:24,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -209.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:24,927 INFO L168 Benchmark]: Boogie Preprocessor took 35.17 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. [2019-01-01 23:33:24,929 INFO L168 Benchmark]: RCFGBuilder took 1096.59 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: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:24,930 INFO L168 Benchmark]: BuchiAutomizer took 45050.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 932.8 MB in the end (delta: 152.6 MB). Peak memory consumption was 429.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:24,931 INFO L168 Benchmark]: Witness Printer took 113.86 ms. Allocated memory is still 1.4 GB. Free memory is still 932.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:33:24,937 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 592.35 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 157.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -209.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.17 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 1096.59 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: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45050.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 932.8 MB in the end (delta: 152.6 MB). Peak memory consumption was 429.9 MB. Max. memory is 11.5 GB. * Witness Printer took 113.86 ms. Allocated memory is still 1.4 GB. Free memory is still 932.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 44.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 263 SDslu, 362 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 337]: 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=-20, NULL=0, NULL=0, NULL=-12, NULL=0, retValue_acc=0, NULL=0, NULL=-24, NULL=-19, NULL=-5, NULL=-4, NULL=-15, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=-25, NULL=0, NULL=-22, NULL=0, tmp___1=0, NULL=-2, tmp___0=0, cleanupTimeShifts=4, NULL=-10, NULL=-13, NULL=-6, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-1, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=-16, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64e4fbd4=0, NULL=0, NULL=-14, NULL=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@776006e7=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f013c44=65, NULL=-23, NULL=-7, retValue_acc=1, tmp___2=65, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=-9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10b2fcb5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@701e9fef=0, NULL=-17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@525b5aab=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@117f5fee=0, NULL=-3, NULL=-11, NULL=0, NULL=0, NULL=0, NULL=-8, NULL=-18, NULL=-21} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L186] int pumpRunning = 0; [L187] int systemActive = 1; [L404] int waterLevel = 1; [L405] int methaneLevelCritical = 0; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L328] int splverifierCounter ; [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L332] int tmp___2 ; [L335] splverifierCounter = 0 Loop: [L337] COND TRUE 1 [L339] COND TRUE splverifierCounter < 4 [L345] tmp = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp)) [L355] tmp___0 = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp___0)) [L365] tmp___2 = __VERIFIER_nondet_int() [L367] COND TRUE \read(tmp___2) [L194] COND FALSE !(\read(pumpRunning)) [L201] COND TRUE \read(systemActive) [L485] int tmp ; [L486] int tmp___0 ; [L443] int retValue_acc ; [L446] retValue_acc = methaneLevelCritical [L447] return (retValue_acc); [L490] tmp = isMethaneLevelCritical() [L492] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...