./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5927a819a887aeff1d315c7b53a2aa383626d62 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:12:26,633 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:12:26,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:12:26,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:12:26,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:12:26,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:12:26,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:12:26,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:12:26,652 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:12:26,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:12:26,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:12:26,654 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:12:26,654 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:12:26,655 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:12:26,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:12:26,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:12:26,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:12:26,663 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:12:26,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:12:26,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:12:26,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:12:26,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:12:26,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:12:26,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:12:26,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:12:26,681 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:12:26,682 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:12:26,683 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:12:26,684 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:12:26,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:12:26,685 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:12:26,685 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:12:26,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:12:26,686 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:12:26,687 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:12:26,687 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:12:26,688 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:12:26,705 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:12:26,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:12:26,706 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:12:26,706 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:12:26,706 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:12:26,707 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:12:26,707 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:12:26,707 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:12:26,707 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:12:26,707 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:12:26,708 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:12:26,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:12:26,708 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:12:26,708 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:12:26,708 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:12:26,708 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:12:26,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:12:26,709 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:12:26,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:12:26,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:12:26,709 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:12:26,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:12:26,710 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:12:26,710 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:12:26,710 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:12:26,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:12:26,710 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:12:26,710 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:12:26,711 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:12:26,711 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:12:26,711 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:12:26,712 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:12:26,712 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 -> c5927a819a887aeff1d315c7b53a2aa383626d62 [2019-01-14 04:12:26,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:12:26,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:12:26,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:12:26,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:12:26,773 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:12:26,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2019-01-14 04:12:26,851 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ee43ced/e51408c2edcb4e39b6a0785119660f70/FLAGa8eba1846 [2019-01-14 04:12:27,328 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:12:27,329 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2019-01-14 04:12:27,343 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ee43ced/e51408c2edcb4e39b6a0785119660f70/FLAGa8eba1846 [2019-01-14 04:12:27,647 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ee43ced/e51408c2edcb4e39b6a0785119660f70 [2019-01-14 04:12:27,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:12:27,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:12:27,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:12:27,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:12:27,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:12:27,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b17571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:27, skipping insertion in model container [2019-01-14 04:12:27,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:12:27" (1/1) ... [2019-01-14 04:12:27,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:12:27,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:12:28,070 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:12:28,087 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:12:28,170 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:12:28,283 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:12:28,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28 WrapperNode [2019-01-14 04:12:28,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:12:28,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:12:28,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:12:28,285 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:12:28,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:12:28,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:12:28,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:12:28,379 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:12:28,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... [2019-01-14 04:12:28,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:12:28,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:12:28,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:12:28,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:12:28,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:12:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:12:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:12:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:12:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:12:29,282 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:12:29,283 INFO L286 CfgBuilder]: Removed 72 assue(true) statements. [2019-01-14 04:12:29,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:12:29 BoogieIcfgContainer [2019-01-14 04:12:29,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:12:29,286 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:12:29,286 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:12:29,290 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:12:29,293 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:12:29,293 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:12:27" (1/3) ... [2019-01-14 04:12:29,294 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@474aecf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:12:29, skipping insertion in model container [2019-01-14 04:12:29,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:12:29,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:12:28" (2/3) ... [2019-01-14 04:12:29,296 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@474aecf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:12:29, skipping insertion in model container [2019-01-14 04:12:29,296 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:12:29,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:12:29" (3/3) ... [2019-01-14 04:12:29,299 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2019-01-14 04:12:29,353 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:12:29,354 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:12:29,354 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:12:29,354 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:12:29,355 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:12:29,355 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:12:29,355 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:12:29,355 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:12:29,355 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:12:29,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-01-14 04:12:29,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-14 04:12:29,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:12:29,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:12:29,409 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:12:29,409 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:12:29,409 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:12:29,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-01-14 04:12:29,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-14 04:12:29,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:12:29,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:12:29,417 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:12:29,417 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:12:29,421 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(77, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(101, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(116, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(104, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string61.base, #t~string61.offset, 1);call write~init~int(82, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(73, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(84, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 4 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(75, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~cleanupTimeShifts~0 := 4; 12#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 54#L734true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 15#L742true main_#t~ret69 := valid_product_#res;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 5#L855true assume 0 != main_~tmp~5; 50#L832true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 43#L755-1true [2019-01-14 04:12:29,422 INFO L796 eck$LassoCheckResult]: Loop: 43#L755-1true assume !false; 32#L66true assume test_~splverifierCounter~0 < 4; 45#L67true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 56#L75true assume !(0 != test_~tmp~0); 53#L75-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 39#L85true assume !(0 != test_~tmp___0~0); 23#L85-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 24#L95true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 18#L103-1true assume !(0 != ~pumpRunning~0); 30#L139true assume !(0 != ~systemActive~0); 6#L146true havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 9#L672true __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 41#L755true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 43#L755-1true [2019-01-14 04:12:29,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:29,430 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:12:29,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:29,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:29,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:29,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:29,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:30,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:30,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941108, now seen corresponding path program 1 times [2019-01-14 04:12:30,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:30,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:30,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:30,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:12:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:12:30,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:12:30,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:12:30,324 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:12:30,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:12:30,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:12:30,340 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-01-14 04:12:30,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:12:30,516 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2019-01-14 04:12:30,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:12:30,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2019-01-14 04:12:30,526 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2019-01-14 04:12:30,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2019-01-14 04:12:30,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2019-01-14 04:12:30,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2019-01-14 04:12:30,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2019-01-14 04:12:30,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:12:30,537 INFO L706 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-01-14 04:12:30,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2019-01-14 04:12:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-01-14 04:12:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-01-14 04:12:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-01-14 04:12:30,578 INFO L729 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-01-14 04:12:30,578 INFO L609 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-01-14 04:12:30,579 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:12:30,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-01-14 04:12:30,582 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-01-14 04:12:30,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:12:30,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:12:30,583 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:12:30,583 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:12:30,583 INFO L794 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(77, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(101, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(116, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(104, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string61.base, #t~string61.offset, 1);call write~init~int(82, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(73, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(84, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 4 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(75, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~cleanupTimeShifts~0 := 4; 184#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 185#L734 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 188#L742 main_#t~ret69 := valid_product_#res;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 175#L855 assume 0 != main_~tmp~5; 176#L832 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 222#L755-1 [2019-01-14 04:12:30,584 INFO L796 eck$LassoCheckResult]: Loop: 222#L755-1 assume !false; 207#L66 assume test_~splverifierCounter~0 < 4; 208#L67 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 225#L75 assume !(0 != test_~tmp~0); 187#L75-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 218#L85 assume !(0 != test_~tmp___0~0); 200#L85-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 201#L95 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 191#L103-1 assume !(0 != ~pumpRunning~0); 193#L139 assume 0 != ~systemActive~0; 206#L146 havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 244#L672 __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 221#L755 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 222#L755-1 [2019-01-14 04:12:30,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:30,584 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:12:30,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:30,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:30,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:30,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:30,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:30,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030481, now seen corresponding path program 1 times [2019-01-14 04:12:30,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:30,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:30,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,907 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:12:30,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:30,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:12:30,918 INFO L82 PathProgramCache]: Analyzing trace with hash 41248457, now seen corresponding path program 1 times [2019-01-14 04:12:30,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:12:30,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:12:30,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:30,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:12:30,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:12:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:12:31,559 WARN L181 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-01-14 04:12:58,302 WARN L181 SmtUtils]: Spent 26.64 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:13:11,009 WARN L181 SmtUtils]: Spent 12.71 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:13:11,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:13:11 BoogieIcfgContainer [2019-01-14 04:13:11,092 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:13:11,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:13:11,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:13:11,093 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:13:11,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:12:29" (3/4) ... [2019-01-14 04:13:11,097 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:13:11,188 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:13:11,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:13:11,190 INFO L168 Benchmark]: Toolchain (without parser) took 43537.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -102.4 MB). Peak memory consumption was 219.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:11,193 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:13:11,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:11,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.86 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:11,199 INFO L168 Benchmark]: Boogie Preprocessor took 33.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:13:11,199 INFO L168 Benchmark]: RCFGBuilder took 872.78 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: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:11,201 INFO L168 Benchmark]: BuchiAutomizer took 41805.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 167.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.4 MB). Peak memory consumption was 408.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:11,202 INFO L168 Benchmark]: Witness Printer took 96.63 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:13:11,214 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 630.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.86 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.04 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 872.78 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: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41805.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 167.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.4 MB). Peak memory consumption was 408.0 MB. Max. memory is 11.5 GB. * Witness Printer took 96.63 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 74 SDtfs, 70 SDslu, 62 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6302} State at position 1 is {NULL=0, NULL=-1, NULL=0, NULL=6302, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f5b53ea=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60af8428=60, NULL=-22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@520da216=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@598d2d78=0, NULL=0, NULL=0, retValue_acc=0, methaneLevelCritical=0, NULL=-2, NULL=0, NULL=-14, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=-11, NULL=-12, cleanupTimeShifts=4, tmp=0, NULL=-6, NULL=-16, NULL=-5, NULL=6300, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=-7, NULL=0, retValue_acc=0, NULL=-8, tmp___0=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a32b0b8=0, NULL=0, NULL=0, \result=1, NULL=-10, head=0, pumpRunning=0, NULL=-15, NULL=-18, \result=0, NULL=-17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f8d2525=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@768d735c=0, NULL=0, tmp=0, NULL=0, tmp=1, NULL=0, NULL=5220, NULL=-21, retValue_acc=1, tmp___2=60, splverifierCounter=0, NULL=0, \result=0, NULL=-9, NULL=-19, head=0, NULL=0, NULL=0, NULL=6301, NULL=-4, NULL=-13, NULL=0, NULL=-20, NULL=-3} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L431] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L629] int waterLevel = 1; [L630] int methaneLevelCritical = 0; [L773] int cleanupTimeShifts = 4; [L846] int retValue_acc ; [L847] int tmp ; [L738] int retValue_acc ; [L741] retValue_acc = 1 [L742] return (retValue_acc); [L853] tmp = valid_product() [L855] COND TRUE \read(tmp) [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L257] systemActive = 1 [L139] COND FALSE !(\read(pumpRunning)) [L146] COND TRUE \read(systemActive) [L748] int tmp ; [L749] int tmp___0 ; [L668] int retValue_acc ; [L671] retValue_acc = methaneLevelCritical [L672] return (retValue_acc); [L753] tmp = isMethaneLevelCritical() [L755] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...