./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product42_false-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_spec2_product42_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 ea28f55a4b6a2303e55c14d7dbcddcf1e8db1491 ............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:39:30,589 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:39:30,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:39:30,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:39:30,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:39:30,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:39:30,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:39:30,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:39:30,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:39:30,621 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:39:30,625 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:39:30,625 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:39:30,626 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:39:30,628 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:39:30,629 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:39:30,630 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:39:30,633 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:39:30,635 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:39:30,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:39:30,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:39:30,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:39:30,652 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:39:30,657 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:39:30,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:39:30,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:39:30,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:39:30,660 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:39:30,661 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:39:30,662 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:39:30,663 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:39:30,663 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:39:30,664 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:39:30,664 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:39:30,664 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:39:30,665 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:39:30,666 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:39:30,666 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:39:30,684 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:39:30,685 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:39:30,686 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:39:30,686 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:39:30,687 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:39:30,687 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:39:30,687 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:39:30,687 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:39:30,687 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:39:30,687 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:39:30,688 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:39:30,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:39:30,688 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:39:30,688 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:39:30,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:39:30,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:39:30,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:39:30,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:39:30,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:39:30,690 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:39:30,691 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:39:30,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:39:30,691 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:39:30,692 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:39:30,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:39:30,692 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:39:30,692 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:39:30,692 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:39:30,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:39:30,693 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:39:30,693 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:39:30,695 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:39:30,696 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 -> ea28f55a4b6a2303e55c14d7dbcddcf1e8db1491 [2019-01-01 23:39:30,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:39:30,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:39:30,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:39:30,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:39:30,750 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:39:30,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product42_false-unreach-call_false-termination.cil.c [2019-01-01 23:39:30,817 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6c60698/f4d37b2fa6254df6a98d9121a3fcff75/FLAGdbb2ab6ce [2019-01-01 23:39:31,410 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:39:31,411 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product42_false-unreach-call_false-termination.cil.c [2019-01-01 23:39:31,430 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6c60698/f4d37b2fa6254df6a98d9121a3fcff75/FLAGdbb2ab6ce [2019-01-01 23:39:31,654 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6c60698/f4d37b2fa6254df6a98d9121a3fcff75 [2019-01-01 23:39:31,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:39:31,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:39:31,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:39:31,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:39:31,665 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:39:31,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:39:31" (1/1) ... [2019-01-01 23:39:31,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3277d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:31, skipping insertion in model container [2019-01-01 23:39:31,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:39:31" (1/1) ... [2019-01-01 23:39:31,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:39:31,749 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:39:32,144 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:39:32,163 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:39:32,256 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:39:32,378 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:39:32,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32 WrapperNode [2019-01-01 23:39:32,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:39:32,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:39:32,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:39:32,380 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:39:32,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:39:32,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:39:32,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:39:32,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:39:32,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (1/1) ... [2019-01-01 23:39:32,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:39:32,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:39:32,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:39:32,514 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:39:32,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (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 23:39:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:39:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:39:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:39:32,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:39:33,867 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:39:33,868 INFO L280 CfgBuilder]: Removed 118 assue(true) statements. [2019-01-01 23:39:33,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:39:33 BoogieIcfgContainer [2019-01-01 23:39:33,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:39:33,869 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:39:33,869 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:39:33,873 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:39:33,874 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:39:33,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:39:31" (1/3) ... [2019-01-01 23:39:33,876 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4772bdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:39:33, skipping insertion in model container [2019-01-01 23:39:33,876 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:39:33,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:32" (2/3) ... [2019-01-01 23:39:33,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4772bdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:39:33, skipping insertion in model container [2019-01-01 23:39:33,877 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:39:33,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:39:33" (3/3) ... [2019-01-01 23:39:33,879 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product42_false-unreach-call_false-termination.cil.c [2019-01-01 23:39:33,962 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:39:33,963 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:39:33,963 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:39:33,963 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:39:33,963 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:39:33,964 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:39:33,964 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:39:33,964 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:39:33,964 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:39:33,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2019-01-01 23:39:34,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2019-01-01 23:39:34,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:34,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:34,037 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:34,037 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:34,037 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:39:34,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2019-01-01 23:39:34,044 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2019-01-01 23:39:34,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:34,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:34,047 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:34,047 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:34,053 INFO L794 eck$LassoCheckResult]: Stem: 49#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.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 20#L-1true havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 90#L730true 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; 8#L738true main_#t~ret62 := valid_product_#res;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 31#L826true assume 0 != main_~tmp~8; 61#L802true ~methAndRunningLastTime~0 := 0; 16#L672true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 17#L683-1true [2019-01-01 23:39:34,054 INFO L796 eck$LassoCheckResult]: Loop: 17#L683-1true assume !false; 74#L422true assume test_~splverifierCounter~0 < 4; 85#L423true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 32#L431true assume !(0 != test_~tmp~3); 4#L431-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 76#L441true assume !(0 != test_~tmp___0~0); 78#L441-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 60#L451true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 70#L459-2true assume !(0 != ~pumpRunning~0); 38#L494true assume !(0 != ~systemActive~0); 47#L501true havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;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; 52#L893-1true __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 14#L683true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 17#L683-1true [2019-01-01 23:39:34,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:34,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-01 23:39:34,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:34,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:34,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:34,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:34,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:35,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:35,135 INFO L82 PathProgramCache]: Analyzing trace with hash 4046091, now seen corresponding path program 1 times [2019-01-01 23:39:35,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:35,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:35,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:35,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:35,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:39:35,239 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 23:39:35,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:39:35,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:39:35,248 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:39:35,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:39:35,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:39:35,270 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 3 states. [2019-01-01 23:39:35,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:39:35,356 INFO L93 Difference]: Finished difference Result 88 states and 123 transitions. [2019-01-01 23:39:35,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:39:35,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 123 transitions. [2019-01-01 23:39:35,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2019-01-01 23:39:35,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 81 states and 115 transitions. [2019-01-01 23:39:35,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2019-01-01 23:39:35,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 81 [2019-01-01 23:39:35,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 115 transitions. [2019-01-01 23:39:35,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:39:35,383 INFO L705 BuchiCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-01-01 23:39:35,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 115 transitions. [2019-01-01 23:39:35,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-01-01 23:39:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-01-01 23:39:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2019-01-01 23:39:35,417 INFO L728 BuchiCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-01-01 23:39:35,418 INFO L608 BuchiCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-01-01 23:39:35,418 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:39:35,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 115 transitions. [2019-01-01 23:39:35,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2019-01-01 23:39:35,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:35,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:35,421 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:35,421 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:35,422 INFO L794 eck$LassoCheckResult]: Stem: 243#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.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 215#L-1 havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 216#L730 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; 196#L738 main_#t~ret62 := valid_product_#res;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 197#L826 assume 0 != main_~tmp~8; 227#L802 ~methAndRunningLastTime~0 := 0; 211#L672 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 205#L683-1 [2019-01-01 23:39:35,422 INFO L796 eck$LassoCheckResult]: Loop: 205#L683-1 assume !false; 214#L422 assume test_~splverifierCounter~0 < 4; 260#L423 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 230#L431 assume !(0 != test_~tmp~3); 188#L431-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 189#L441 assume !(0 != test_~tmp___0~0); 263#L441-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 248#L451 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 250#L459-2 assume !(0 != ~pumpRunning~0); 233#L494 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 185#L526 assume !(0 == ~pumpRunning~0); 187#L501 havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;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; 240#L893-1 __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 203#L683 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 205#L683-1 [2019-01-01 23:39:35,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:35,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-01 23:39:35,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:35,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:35,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:35,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:35,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:35,930 INFO L82 PathProgramCache]: Analyzing trace with hash 83659393, now seen corresponding path program 1 times [2019-01-01 23:39:35,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:35,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:35,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:35,931 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:39:35,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:39:36,000 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 23:39:36,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:39:36,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:39:36,003 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:39:36,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:39:36,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:39:36,004 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. cyclomatic complexity: 36 Second operand 3 states. [2019-01-01 23:39:36,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:39:36,306 INFO L93 Difference]: Finished difference Result 125 states and 172 transitions. [2019-01-01 23:39:36,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:39:36,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 172 transitions. [2019-01-01 23:39:36,320 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 86 [2019-01-01 23:39:36,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 172 transitions. [2019-01-01 23:39:36,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2019-01-01 23:39:36,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2019-01-01 23:39:36,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 172 transitions. [2019-01-01 23:39:36,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:39:36,326 INFO L705 BuchiCegarLoop]: Abstraction has 125 states and 172 transitions. [2019-01-01 23:39:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 172 transitions. [2019-01-01 23:39:36,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-01-01 23:39:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-01-01 23:39:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 172 transitions. [2019-01-01 23:39:36,346 INFO L728 BuchiCegarLoop]: Abstraction has 125 states and 172 transitions. [2019-01-01 23:39:36,347 INFO L608 BuchiCegarLoop]: Abstraction has 125 states and 172 transitions. [2019-01-01 23:39:36,347 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:39:36,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 172 transitions. [2019-01-01 23:39:36,349 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 86 [2019-01-01 23:39:36,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:36,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:36,350 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:36,350 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] [2019-01-01 23:39:36,351 INFO L794 eck$LassoCheckResult]: Stem: 460#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.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 424#L-1 havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 425#L730 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; 406#L738 main_#t~ret62 := valid_product_#res;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 407#L826 assume 0 != main_~tmp~8; 441#L802 ~methAndRunningLastTime~0 := 0; 420#L672 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 416#L683-1 [2019-01-01 23:39:36,351 INFO L796 eck$LassoCheckResult]: Loop: 416#L683-1 assume !false; 421#L422 assume test_~splverifierCounter~0 < 4; 478#L423 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 442#L431 assume !(0 != test_~tmp~3); 397#L431-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 398#L441 assume !(0 != test_~tmp___0~0); 481#L441-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 466#L451 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 468#L459-2 assume !(0 != ~pumpRunning~0); 448#L494 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 399#L526 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 400#L933 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 464#L938 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 483#L646 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 479#L646-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 469#L652 processEnvironment_#t~ret39 := isHighWaterLevel_#res;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; 432#L530 assume !(0 != processEnvironment_~tmp~4); 428#L501 havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;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; 456#L893-1 __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 414#L683 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 416#L683-1 [2019-01-01 23:39:36,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:36,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-01-01 23:39:36,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:36,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:36,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:36,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:36,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:36,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:36,711 INFO L82 PathProgramCache]: Analyzing trace with hash -160550867, now seen corresponding path program 1 times [2019-01-01 23:39:36,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:36,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:36,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:36,713 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:39:36,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:36,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1005025907, now seen corresponding path program 1 times [2019-01-01 23:39:36,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:36,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:36,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:36,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:36,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:37,767 WARN L181 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-01-01 23:40:06,634 WARN L181 SmtUtils]: Spent 28.78 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-01 23:40:21,997 WARN L181 SmtUtils]: Spent 15.35 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-01 23:40:22,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:40:22 BoogieIcfgContainer [2019-01-01 23:40:22,093 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:40:22,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:40:22,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:40:22,094 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:40:22,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:39:33" (3/4) ... [2019-01-01 23:40:22,104 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:40:22,213 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:40:22,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:40:22,214 INFO L168 Benchmark]: Toolchain (without parser) took 50555.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.8 MB). Free memory was 947.3 MB in the beginning and 860.3 MB in the end (delta: 87.0 MB). Peak memory consumption was 416.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:22,216 INFO L168 Benchmark]: CDTParser took 0.18 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 23:40:22,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:22,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:40:22,225 INFO L168 Benchmark]: Boogie Preprocessor took 46.77 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 23:40:22,227 INFO L168 Benchmark]: RCFGBuilder took 1355.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:22,229 INFO L168 Benchmark]: BuchiAutomizer took 48224.31 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 860.3 MB in the end (delta: 216.8 MB). Peak memory consumption was 420.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:22,229 INFO L168 Benchmark]: Witness Printer took 119.44 ms. Allocated memory is still 1.4 GB. Free memory was 860.3 MB in the beginning and 860.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-01-01 23:40:22,236 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 717.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.77 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 1355.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48224.31 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 860.3 MB in the end (delta: 216.8 MB). Peak memory consumption was 420.3 MB. Max. memory is 11.5 GB. * Witness Printer took 119.44 ms. Allocated memory is still 1.4 GB. Free memory was 860.3 MB in the beginning and 860.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. 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 3 locations. The remainder module has 125 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 47.4s. Construction of modules took 0.3s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 125 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 235 SDtfs, 217 SDslu, 54 SDs, 0 SdLazy, 24 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 421]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-22, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=-25, NULL=-12, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dd4f14a=0, tmp___0=0, retValue_acc=0, tmp=0, NULL=0, NULL=0, NULL=-10, tmp___1=0, NULL=-6, NULL=-5, NULL=-15, NULL=-8, cleanupTimeShifts=4, NULL=-19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7093ea7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58679880=0, NULL=-20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75543786=71, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c12fca0=0, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21ba29e1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=0, NULL=-16, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=-2, head=0, pumpRunning=0, NULL=-7, NULL=-24, \result=0, NULL=-14, NULL=0, NULL=-9, NULL=0, tmp=1, NULL=0, NULL=0, \result=1, retValue_acc=1, NULL=-11, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b18933b=0, tmp___2=71, retValue_acc=1, NULL=-1, tmp=1, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=-18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23aeee2a=0, head=0, tmp=0, NULL=0, NULL=-3, NULL=-17, NULL=0, NULL=-13, NULL=0, NULL=0, NULL=-4, NULL=-21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@736f6958=0, 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; [L486] int pumpRunning = 0; [L487] int systemActive = 1; [L666] int methAndRunningLastTime ; [L743] int cleanupTimeShifts = 4; [L850] int waterLevel = 1; [L851] int methaneLevelCritical = 0; [L817] int retValue_acc ; [L818] int tmp ; [L734] int retValue_acc ; [L737] retValue_acc = 1 [L738] return (retValue_acc); [L824] tmp = valid_product() [L826] COND TRUE \read(tmp) [L671] methAndRunningLastTime = 0 [L412] int splverifierCounter ; [L413] int tmp ; [L414] int tmp___0 ; [L415] int tmp___1 ; [L416] int tmp___2 ; [L419] splverifierCounter = 0 Loop: [L421] COND TRUE 1 [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND FALSE !(\read(tmp)) [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp___0)) [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___2) [L660] systemActive = 1 [L494] COND FALSE !(\read(pumpRunning)) [L501] COND TRUE \read(systemActive) [L523] int tmp ; [L526] COND TRUE ! pumpRunning [L638] int retValue_acc ; [L639] int tmp ; [L640] int tmp___0 ; [L930] int retValue_acc ; [L933] COND TRUE waterLevel < 2 [L934] retValue_acc = 1 [L935] return (retValue_acc); [L644] tmp = isHighWaterSensorDry() [L646] COND TRUE \read(tmp) [L647] tmp___0 = 0 [L651] retValue_acc = tmp___0 [L652] return (retValue_acc); [L528] tmp = isHighWaterLevel() [L530] COND FALSE !(\read(tmp)) [L676] int tmp ; [L677] int tmp___0 ; [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L681] tmp = isMethaneLevelCritical() [L683] COND FALSE !(\read(tmp)) [L699] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...