./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product21_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_spec2_product21_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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c ....................................................................................................................................................................................................................................................................................................................................................................... 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 04:18:45,266 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:18:45,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:18:45,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:18:45,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:18:45,286 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:18:45,287 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:18:45,290 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:18:45,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:18:45,295 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:18:45,298 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:18:45,299 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:18:45,300 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:18:45,301 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:18:45,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:18:45,305 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:18:45,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:18:45,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:18:45,320 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:18:45,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:18:45,326 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:18:45,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:18:45,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:18:45,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:18:45,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:18:45,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:18:45,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:18:45,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:18:45,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:18:45,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:18:45,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:18:45,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:18:45,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:18:45,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:18:45,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:18:45,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:18:45,347 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:18:45,376 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:18:45,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:18:45,378 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:18:45,378 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:18:45,379 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:18:45,379 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:18:45,379 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:18:45,379 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:18:45,379 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:18:45,380 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:18:45,380 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:18:45,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:18:45,380 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:18:45,380 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:18:45,380 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:18:45,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:18:45,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:18:45,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:18:45,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:18:45,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:18:45,382 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:18:45,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:18:45,382 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:18:45,383 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:18:45,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:18:45,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:18:45,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:18:45,384 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:18:45,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:18:45,384 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:18:45,384 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:18:45,385 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:18:45,385 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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2019-01-14 04:18:45,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:18:45,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:18:45,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:18:45,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:18:45,453 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:18:45,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:45,522 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4937530e/0139fedb11924d7bab98ba434f9b859c/FLAG6c762223d [2019-01-14 04:18:45,972 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:18:45,973 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:45,993 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4937530e/0139fedb11924d7bab98ba434f9b859c/FLAG6c762223d [2019-01-14 04:18:46,288 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4937530e/0139fedb11924d7bab98ba434f9b859c [2019-01-14 04:18:46,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:18:46,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:18:46,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:18:46,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:18:46,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:18:46,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:46,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7588af01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46, skipping insertion in model container [2019-01-14 04:18:46,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:46,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:18:46,379 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:18:46,807 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:18:46,833 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:18:46,933 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:18:46,973 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:18:46,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46 WrapperNode [2019-01-14 04:18:46,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:18:46,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:18:46,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:18:46,975 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:18:47,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:18:47,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:18:47,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:18:47,130 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:18:47,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (1/1) ... [2019-01-14 04:18:47,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:18:47,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:18:47,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:18:47,186 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:18:47,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (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 04:18:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:18:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:18:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:18:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:18:48,538 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:18:48,538 INFO L286 CfgBuilder]: Removed 158 assue(true) statements. [2019-01-14 04:18:48,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:48 BoogieIcfgContainer [2019-01-14 04:18:48,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:18:48,540 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:18:48,540 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:18:48,543 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:18:48,544 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:48,544 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:18:46" (1/3) ... [2019-01-14 04:18:48,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f6565a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:18:48, skipping insertion in model container [2019-01-14 04:18:48,546 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:48,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:46" (2/3) ... [2019-01-14 04:18:48,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f6565a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:18:48, skipping insertion in model container [2019-01-14 04:18:48,546 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:48,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:48" (3/3) ... [2019-01-14 04:18:48,548 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:48,601 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:18:48,602 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:18:48,602 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:18:48,602 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:18:48,602 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:18:48,603 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:18:48,603 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:18:48,603 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:18:48,603 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:18:48,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-01-14 04:18:48,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-14 04:18:48,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:48,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:48,662 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:48,663 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:48,663 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:18:48,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-01-14 04:18:48,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-14 04:18:48,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:48,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:48,675 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:48,675 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:48,680 INFO L794 eck$LassoCheckResult]: Stem: 87#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);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);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(75, #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(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);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(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 12#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 91#L677true 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; 93#L685true main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 104#L539true assume 0 != main_~tmp~4; 11#L511true ~methAndRunningLastTime~0 := 0; 108#L415true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 99#L426-1true [2019-01-14 04:18:48,681 INFO L796 eck$LassoCheckResult]: Loop: 99#L426-1true assume !false; 68#L881true assume test_~splverifierCounter~0 < 4; 28#L882true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 35#L890true assume !(0 != test_~tmp~8); 29#L890-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 73#L900true assume !(0 != test_~tmp___0~2); 75#L900-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 4#L910true assume 0 != test_~tmp___2~0; 101#L916-2true assume !(0 != ~pumpRunning~0); 90#L699true assume !(0 != ~systemActive~0); 23#L706true havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 78#L600-1true __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 107#L426true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 99#L426-1true [2019-01-14 04:18:48,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:48,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:18:48,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:48,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:48,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:48,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:48,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:49,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:49,514 INFO L82 PathProgramCache]: Analyzing trace with hash 3984522, now seen corresponding path program 1 times [2019-01-14 04:18:49,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:49,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:49,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:49,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:49,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:49,539 INFO L82 PathProgramCache]: Analyzing trace with hash 837281028, now seen corresponding path program 1 times [2019-01-14 04:18:49,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:49,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:49,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:49,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:49,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:18:49,898 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 04:18:49,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:18:49,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:18:50,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:18:50,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:18:50,086 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 6 states. [2019-01-14 04:18:50,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:18:50,286 INFO L93 Difference]: Finished difference Result 106 states and 149 transitions. [2019-01-14 04:18:50,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 04:18:50,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 149 transitions. [2019-01-14 04:18:50,300 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-01-14 04:18:50,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2019-01-14 04:18:50,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2019-01-14 04:18:50,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2019-01-14 04:18:50,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2019-01-14 04:18:50,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:18:50,310 INFO L706 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-14 04:18:50,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2019-01-14 04:18:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-01-14 04:18:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-01-14 04:18:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2019-01-14 04:18:50,352 INFO L729 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-14 04:18:50,352 INFO L609 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-14 04:18:50,352 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:18:50,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2019-01-14 04:18:50,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-01-14 04:18:50,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:50,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:50,364 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:50,366 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:50,366 INFO L794 eck$LassoCheckResult]: Stem: 326#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);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);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(75, #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(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);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(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 251#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 252#L677 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; 327#L685 main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 328#L539 assume 0 != main_~tmp~4; 249#L511 ~methAndRunningLastTime~0 := 0; 250#L415 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 265#L426-1 [2019-01-14 04:18:50,367 INFO L796 eck$LassoCheckResult]: Loop: 265#L426-1 assume !false; 318#L881 assume test_~splverifierCounter~0 < 4; 275#L882 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 276#L890 assume !(0 != test_~tmp~8); 277#L890-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 278#L900 assume !(0 != test_~tmp___0~2); 297#L900-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 233#L910 assume 0 != test_~tmp___2~0; 235#L916-2 assume !(0 != ~pumpRunning~0); 254#L699 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 325#L757 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret49, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 262#L731-1 assume !(0 != ~pumpRunning~0); 257#L706 havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 269#L600-1 __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 322#L426 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 265#L426-1 [2019-01-14 04:18:50,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:50,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:18:50,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:50,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:50,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:50,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:50,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:50,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:50,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1679746780, now seen corresponding path program 1 times [2019-01-14 04:18:50,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:50,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:50,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:50,775 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:18:50,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:50,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:50,785 INFO L82 PathProgramCache]: Analyzing trace with hash -681195306, now seen corresponding path program 1 times [2019-01-14 04:18:50,785 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:50,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:50,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:50,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:50,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:51,267 WARN L181 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:18:51,394 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:19:19,016 WARN L181 SmtUtils]: Spent 27.60 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:19:33,201 WARN L181 SmtUtils]: Spent 14.17 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:19:33,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:19:33 BoogieIcfgContainer [2019-01-14 04:19:33,274 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:19:33,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:19:33,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:19:33,275 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:19:33,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:48" (3/4) ... [2019-01-14 04:19:33,279 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:19:33,361 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:19:33,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:19:33,362 INFO L168 Benchmark]: Toolchain (without parser) took 47070.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -60.7 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:33,363 INFO L168 Benchmark]: CDTParser took 0.36 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 04:19:33,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 920.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:33,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -210.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:33,364 INFO L168 Benchmark]: Boogie Preprocessor took 55.85 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 04:19:33,365 INFO L168 Benchmark]: RCFGBuilder took 1353.18 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:33,365 INFO L168 Benchmark]: BuchiAutomizer took 44734.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.9 MB). Peak memory consumption was 402.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:33,366 INFO L168 Benchmark]: Witness Printer took 86.63 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:33,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 680.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 920.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 155.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -210.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.85 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 1353.18 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44734.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.9 MB). Peak memory consumption was 402.5 MB. Max. memory is 11.5 GB. * Witness Printer took 86.63 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 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 6 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 44.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 144 SDtfs, 439 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 880]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=13243} State at position 1 is {NULL=0, NULL=0, NULL=-8, NULL=0, NULL=13243, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=-19, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4935b20b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ceaa28b=0, NULL=0, NULL=-21, NULL=0, tmp=0, tmp___1=0, NULL=-9, tmp=0, NULL=-11, NULL=13242, NULL=13241, NULL=-15, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@86021c0=0, NULL=-18, NULL=-17, NULL=-23, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=-13, retValue_acc=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=-10, head=0, pumpRunning=0, NULL=-12, \result=0, NULL=7893, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b0626f3=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37778286=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2dcce90f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a314724=0, NULL=-22, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d708dee=61, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fc7b7=0, NULL=-4, retValue_acc=1, tmp___2=61, tmp___0=0, NULL=-3, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-16, head=0, NULL=0, NULL=-5, tmp=0, NULL=-6, NULL=0, NULL=-7, NULL=0, NULL=0, NULL=0, NULL=-14, tmp=0, NULL=-20} - 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; [L409] int methAndRunningLastTime ; [L448] int cleanupTimeShifts = 4; [L557] int waterLevel = 1; [L558] int methaneLevelCritical = 0; [L692] int pumpRunning = 0; [L693] int systemActive = 1; [L530] int retValue_acc ; [L531] int tmp ; [L681] int retValue_acc ; [L684] retValue_acc = 1 [L685] return (retValue_acc); [L537] tmp = valid_product() [L539] COND TRUE \read(tmp) [L414] methAndRunningLastTime = 0 [L871] int splverifierCounter ; [L872] int tmp ; [L873] int tmp___0 ; [L874] int tmp___1 ; [L875] int tmp___2 ; [L878] splverifierCounter = 0 Loop: [L880] COND TRUE 1 [L882] COND TRUE splverifierCounter < 4 [L888] tmp = __VERIFIER_nondet_int() [L890] COND FALSE !(\read(tmp)) [L898] tmp___0 = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp___0)) [L908] tmp___2 = __VERIFIER_nondet_int() [L910] COND TRUE \read(tmp___2) [L699] COND FALSE !(\read(pumpRunning)) [L706] COND TRUE \read(systemActive) [L754] int tmp ; [L757] COND FALSE !(\read(pumpRunning)) [L728] int tmp ; [L731] COND FALSE !(\read(pumpRunning)) [L419] int tmp ; [L420] int tmp___0 ; [L596] int retValue_acc ; [L599] retValue_acc = methaneLevelCritical [L600] return (retValue_acc); [L424] tmp = isMethaneLevelCritical() [L426] COND FALSE !(\read(tmp)) [L442] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...