./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product35_false-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 c300c29b8d9fc061a97d8a30a731a0ec640f0644 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:56:29,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:56:29,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:56:29,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:56:29,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:56:29,715 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:56:29,716 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:56:29,719 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:56:29,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:56:29,723 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:56:29,724 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:56:29,724 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:56:29,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:56:29,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:56:29,728 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:56:29,728 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:56:29,729 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:56:29,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:56:29,733 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:56:29,735 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:56:29,736 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:56:29,738 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:56:29,740 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:56:29,740 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:56:29,741 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:56:29,742 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:56:29,743 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:56:29,744 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:56:29,745 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:56:29,746 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:56:29,746 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:56:29,747 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:56:29,748 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:56:29,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:56:29,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:56:29,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:56:29,750 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:56:29,774 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:56:29,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:56:29,776 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:56:29,776 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:56:29,777 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:56:29,777 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:56:29,777 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:56:29,777 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:56:29,778 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:56:29,780 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:56:29,780 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:56:29,780 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:56:29,780 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:56:29,780 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:56:29,781 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:56:29,781 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:56:29,781 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:56:29,781 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:56:29,781 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:56:29,782 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:56:29,782 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:56:29,782 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:56:29,782 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:56:29,782 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:56:29,782 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:56:29,785 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:56:29,785 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:56:29,785 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:56:29,785 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:56:29,785 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:56:29,786 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:56:29,787 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:56:29,788 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 -> c300c29b8d9fc061a97d8a30a731a0ec640f0644 [2018-11-28 23:56:29,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:56:29,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:56:29,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:56:29,867 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:56:29,867 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:56:29,868 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-11-28 23:56:29,942 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f425ab5b6/d99e31043a1d464c87c5a99439a0c6b4/FLAGa0547c796 [2018-11-28 23:56:30,506 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:56:30,507 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-11-28 23:56:30,520 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f425ab5b6/d99e31043a1d464c87c5a99439a0c6b4/FLAGa0547c796 [2018-11-28 23:56:30,756 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f425ab5b6/d99e31043a1d464c87c5a99439a0c6b4 [2018-11-28 23:56:30,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:56:30,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:56:30,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:56:30,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:56:30,767 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:56:30,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:56:30" (1/1) ... [2018-11-28 23:56:30,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b86ad57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:30, skipping insertion in model container [2018-11-28 23:56:30,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:56:30" (1/1) ... [2018-11-28 23:56:30,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:56:30,860 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:56:31,245 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:56:31,262 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:56:31,345 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:56:31,477 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:56:31,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31 WrapperNode [2018-11-28 23:56:31,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:56:31,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:56:31,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:56:31,479 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:56:31,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:56:31,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:56:31,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:56:31,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:56:31,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... [2018-11-28 23:56:31,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:56:31,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:56:31,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:56:31,599 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:56:31,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:56:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:56:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:56:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:56:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:56:32,805 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:56:32,805 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2018-11-28 23:56:32,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:32 BoogieIcfgContainer [2018-11-28 23:56:32,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:56:32,807 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:56:32,807 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:56:32,810 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:56:32,811 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:32,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:56:30" (1/3) ... [2018-11-28 23:56:32,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ce46568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:32, skipping insertion in model container [2018-11-28 23:56:32,813 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:32,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:31" (2/3) ... [2018-11-28 23:56:32,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ce46568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:32, skipping insertion in model container [2018-11-28 23:56:32,813 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:32,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:32" (3/3) ... [2018-11-28 23:56:32,815 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-11-28 23:56:32,875 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:56:32,876 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:56:32,876 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:56:32,876 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:56:32,876 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:56:32,877 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:56:32,877 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:56:32,877 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:56:32,877 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:56:32,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-28 23:56:32,924 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-28 23:56:32,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:32,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:32,933 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:32,934 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:32,934 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:56:32,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-28 23:56:32,940 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-28 23:56:32,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:32,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:32,941 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:32,942 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:32,947 INFO L794 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 18#L-1true havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 83#L719true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 7#L727true main_#t~ret61 := valid_product_#res;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 52#L824true assume 0 != main_~tmp~7; 12#L800true ~methAndRunningLastTime~0 := 0; 15#L661true havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 17#L672-1true [2018-11-28 23:56:32,948 INFO L796 eck$LassoCheckResult]: Loop: 17#L672-1true assume !false; 68#L598true assume test_~splverifierCounter~0 < 4; 8#L599true test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 37#L607true assume !(0 != test_~tmp~5); 19#L607-1true test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 72#L617true assume !(0 != test_~tmp___0~1); 75#L617-1true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 58#L627true assume 0 != test_~tmp___2~0; 32#L633-1true assume !(0 != ~pumpRunning~0); 20#L424true assume !(0 != ~systemActive~0); 28#L431true havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 43#L882true __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 13#L672true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 17#L672-1true [2018-11-28 23:56:32,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:32,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 23:56:32,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:32,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:33,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:33,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:33,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:33,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:33,259 INFO L82 PathProgramCache]: Analyzing trace with hash 11341907, now seen corresponding path program 1 times [2018-11-28 23:56:33,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:33,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:33,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:33,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:33,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:33,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:33,284 INFO L82 PathProgramCache]: Analyzing trace with hash 844638413, now seen corresponding path program 1 times [2018-11-28 23:56:33,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:33,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:33,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:33,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:33,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:56:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:56:33,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:56:33,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:56:33,945 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:56:34,051 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:56:34,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:56:34,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:56:34,079 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2018-11-28 23:56:34,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:56:34,398 INFO L93 Difference]: Finished difference Result 208 states and 295 transitions. [2018-11-28 23:56:34,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 23:56:34,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 208 states and 295 transitions. [2018-11-28 23:56:34,410 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2018-11-28 23:56:34,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 208 states to 187 states and 274 transitions. [2018-11-28 23:56:34,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 187 [2018-11-28 23:56:34,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 187 [2018-11-28 23:56:34,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 187 states and 274 transitions. [2018-11-28 23:56:34,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:56:34,426 INFO L705 BuchiCegarLoop]: Abstraction has 187 states and 274 transitions. [2018-11-28 23:56:34,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states and 274 transitions. [2018-11-28 23:56:34,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 118. [2018-11-28 23:56:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 23:56:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2018-11-28 23:56:34,472 INFO L728 BuchiCegarLoop]: Abstraction has 118 states and 172 transitions. [2018-11-28 23:56:34,472 INFO L608 BuchiCegarLoop]: Abstraction has 118 states and 172 transitions. [2018-11-28 23:56:34,472 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:56:34,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 172 transitions. [2018-11-28 23:56:34,475 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2018-11-28 23:56:34,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:34,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:34,476 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:34,477 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:34,477 INFO L794 eck$LassoCheckResult]: Stem: 359#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 333#L-1 havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 334#L719 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 317#L727 main_#t~ret61 := valid_product_#res;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 318#L824 assume 0 != main_~tmp~7; 327#L800 ~methAndRunningLastTime~0 := 0; 328#L661 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 308#L672-1 [2018-11-28 23:56:34,477 INFO L796 eck$LassoCheckResult]: Loop: 308#L672-1 assume !false; 332#L598 assume test_~splverifierCounter~0 < 4; 319#L599 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 320#L607 assume !(0 != test_~tmp~5); 335#L607-1 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 336#L617 assume !(0 != test_~tmp___0~1); 381#L617-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 370#L627 assume 0 != test_~tmp___2~0; 353#L633-1 assume !(0 != ~pumpRunning~0); 337#L424 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 338#L456 assume !(0 == ~pumpRunning~0); 322#L431 havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 348#L882 __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 329#L672 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 308#L672-1 [2018-11-28 23:56:34,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:34,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 23:56:34,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:34,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:34,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:34,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:34,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:34,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:34,602 INFO L82 PathProgramCache]: Analyzing trace with hash 319988417, now seen corresponding path program 1 times [2018-11-28 23:56:34,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:34,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:34,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:34,604 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:56:34,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:56:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:56:34,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:56:34,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:56:34,665 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:56:34,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:56:34,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:56:34,666 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-28 23:56:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:56:35,080 INFO L93 Difference]: Finished difference Result 160 states and 221 transitions. [2018-11-28 23:56:35,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:56:35,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 221 transitions. [2018-11-28 23:56:35,086 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2018-11-28 23:56:35,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 221 transitions. [2018-11-28 23:56:35,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2018-11-28 23:56:35,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2018-11-28 23:56:35,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 221 transitions. [2018-11-28 23:56:35,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:56:35,091 INFO L705 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2018-11-28 23:56:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 221 transitions. [2018-11-28 23:56:35,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-11-28 23:56:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-11-28 23:56:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 221 transitions. [2018-11-28 23:56:35,105 INFO L728 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2018-11-28 23:56:35,105 INFO L608 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2018-11-28 23:56:35,105 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:56:35,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 221 transitions. [2018-11-28 23:56:35,108 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2018-11-28 23:56:35,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:35,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:35,110 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:35,110 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:35,110 INFO L794 eck$LassoCheckResult]: Stem: 652#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 622#L-1 havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 623#L719 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 603#L727 main_#t~ret61 := valid_product_#res;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 604#L824 assume 0 != main_~tmp~7; 614#L800 ~methAndRunningLastTime~0 := 0; 615#L661 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 592#L672-1 [2018-11-28 23:56:35,115 INFO L796 eck$LassoCheckResult]: Loop: 592#L672-1 assume !false; 621#L598 assume test_~splverifierCounter~0 < 4; 601#L599 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 602#L607 assume !(0 != test_~tmp~5); 624#L607-1 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 625#L617 assume !(0 != test_~tmp___0~1); 676#L617-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 664#L627 assume 0 != test_~tmp___2~0; 641#L633-1 assume !(0 != ~pumpRunning~0); 646#L424 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 679#L456 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 660#L922 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 661#L927 isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; 671#L558 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 672#L558-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 651#L564 processEnvironment_#t~ret35 := isHighWaterLevel_#res;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; 605#L460 assume !(0 != processEnvironment_~tmp~3); 607#L431 havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 638#L882 __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 616#L672 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 592#L672-1 [2018-11-28 23:56:35,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:35,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-11-28 23:56:35,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:35,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:35,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:35,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:35,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:35,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:35,206 INFO L82 PathProgramCache]: Analyzing trace with hash 333532013, now seen corresponding path program 1 times [2018-11-28 23:56:35,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:35,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:35,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:35,210 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:56:35,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:35,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:35,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1499108787, now seen corresponding path program 1 times [2018-11-28 23:56:35,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:35,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:35,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:35,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:35,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:35,973 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-11-28 23:56:36,189 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-28 23:56:44,705 WARN L180 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 23:56:48,587 WARN L180 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 23:56:48,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:56:48 BoogieIcfgContainer [2018-11-28 23:56:48,678 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:56:48,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:56:48,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:56:48,680 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:56:48,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:32" (3/4) ... [2018-11-28 23:56:48,684 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:56:48,776 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:56:48,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:56:48,777 INFO L168 Benchmark]: Toolchain (without parser) took 18016.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.3 MB). Free memory was 947.3 MB in the beginning and 905.7 MB in the end (delta: 41.6 MB). Peak memory consumption was 340.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:48,779 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. [2018-11-28 23:56:48,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:48,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:56:48,780 INFO L168 Benchmark]: Boogie Preprocessor took 42.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:48,781 INFO L168 Benchmark]: RCFGBuilder took 1207.38 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:48,782 INFO L168 Benchmark]: BuchiAutomizer took 15871.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 905.7 MB in the end (delta: 159.8 MB). Peak memory consumption was 339.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:48,782 INFO L168 Benchmark]: Witness Printer took 97.21 ms. Allocated memory is still 1.3 GB. Free memory is still 905.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:56:48,786 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 715.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.55 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. * Boogie Preprocessor took 42.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1207.38 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15871.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 905.7 MB in the end (delta: 159.8 MB). Peak memory consumption was 339.0 MB. Max. memory is 11.5 GB. * Witness Printer took 97.21 ms. Allocated memory is still 1.3 GB. Free memory is still 905.7 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 160 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 14.8s. Construction of modules took 0.5s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 69 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 160 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 232 SDtfs, 510 SDslu, 638 SDs, 0 SdLazy, 64 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 597]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=35, NULL=0, NULL=31, NULL=0, NULL=36, NULL=27, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51f67885=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@186326a6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34d122ab=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=34, NULL=8, NULL=15, NULL=22, cleanupTimeShifts=4, NULL=39, NULL=14, NULL=19, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=11, NULL=0, NULL=0, NULL=0, retValue_acc=0, \result=0, NULL=16, NULL=0, NULL=0, \result=1, NULL=28, head=0, pumpRunning=0, \result=0, NULL=18, NULL=33, NULL=0, tmp=1, NULL=0, \result=1, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ff71c06=0, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d8cade7=0, retValue_acc=1, NULL=26, NULL=0, tmp=1, tmp___2=56, retValue_acc=1, NULL=12, tmp___0=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12cf8b53=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dd7761f=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b9b35f0=0, tmp=0, head=0, NULL=0, NULL=20, NULL=24, NULL=0, NULL=37, NULL=0, NULL=0, NULL=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10fb147=0, NULL=0, NULL=17, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L815] int retValue_acc ; [L816] int tmp ; [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] return (retValue_acc); [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) [L660] methAndRunningLastTime = 0 [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 Loop: [L597] COND TRUE 1 [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp)) [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) [L424] COND FALSE !(\read(pumpRunning)) [L431] COND TRUE \read(systemActive) [L453] int tmp ; [L456] COND TRUE ! pumpRunning [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; [L919] int retValue_acc ; [L922] COND TRUE waterLevel < 2 [L923] retValue_acc = 1 [L924] return (retValue_acc); [L556] tmp = isHighWaterSensorDry() [L558] COND TRUE \read(tmp) [L559] tmp___0 = 0 [L563] retValue_acc = tmp___0 [L564] return (retValue_acc); [L458] tmp = isHighWaterLevel() [L460] COND FALSE !(\read(tmp)) [L665] int tmp ; [L666] int tmp___0 ; [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] tmp = isMethaneLevelCritical() [L672] COND FALSE !(\read(tmp)) [L688] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...