./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product07_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_product07_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 c39001161d93972d05784cb6dbc5024ef34abe15 ....................................................................................................................................................................................................................................................................................................................................................................... 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 04:18:01,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:18:01,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:18:01,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:18:01,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:18:01,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:18:01,164 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:18:01,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:18:01,169 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:18:01,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:18:01,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:18:01,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:18:01,176 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:18:01,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:18:01,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:18:01,178 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:18:01,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:18:01,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:18:01,197 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:18:01,198 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:18:01,199 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:18:01,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:18:01,207 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:18:01,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:18:01,210 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:18:01,211 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:18:01,213 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:18:01,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:18:01,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:18:01,217 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:18:01,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:18:01,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:18:01,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:18:01,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:18:01,222 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:18:01,224 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:18:01,225 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:18:01,250 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:18:01,250 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:18:01,251 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:18:01,252 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:18:01,252 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:18:01,252 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:18:01,252 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:18:01,252 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:18:01,252 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:18:01,253 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:18:01,253 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:18:01,253 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:18:01,253 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:18:01,253 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:18:01,253 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:18:01,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:18:01,254 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:18:01,254 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:18:01,254 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:18:01,254 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:18:01,254 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:18:01,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:18:01,255 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:18:01,255 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:18:01,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:18:01,255 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:18:01,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:18:01,256 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:18:01,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:18:01,256 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:18:01,256 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:18:01,257 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:18:01,257 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 -> c39001161d93972d05784cb6dbc5024ef34abe15 [2019-01-14 04:18:01,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:18:01,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:18:01,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:18:01,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:18:01,314 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:18:01,315 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:01,378 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14990200d/b68896eabf124321b72b575c69df6789/FLAG4c7eb7781 [2019-01-14 04:18:01,827 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:18:01,828 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:01,839 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14990200d/b68896eabf124321b72b575c69df6789/FLAG4c7eb7781 [2019-01-14 04:18:02,158 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14990200d/b68896eabf124321b72b575c69df6789 [2019-01-14 04:18:02,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:18:02,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:18:02,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:18:02,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:18:02,167 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:18:02,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f24dbb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02, skipping insertion in model container [2019-01-14 04:18:02,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:18:02,230 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:18:02,657 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:18:02,676 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:18:02,824 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:18:02,860 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:18:02,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02 WrapperNode [2019-01-14 04:18:02,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:18:02,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:18:02,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:18:02,862 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:18:02,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:18:02,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:18:02,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:18:02,936 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:18:02,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (1/1) ... [2019-01-14 04:18:02,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:18:02,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:18:02,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:18:02,998 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:18:03,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (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 04:18:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:18:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:18:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:18:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:18:04,236 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:18:04,237 INFO L286 CfgBuilder]: Removed 102 assue(true) statements. [2019-01-14 04:18:04,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:04 BoogieIcfgContainer [2019-01-14 04:18:04,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:18:04,240 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:18:04,240 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:18:04,244 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:18:04,245 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:04,245 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:18:02" (1/3) ... [2019-01-14 04:18:04,246 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@341ed149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:18:04, skipping insertion in model container [2019-01-14 04:18:04,246 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:04,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:02" (2/3) ... [2019-01-14 04:18:04,247 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@341ed149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:18:04, skipping insertion in model container [2019-01-14 04:18:04,247 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:04,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:04" (3/3) ... [2019-01-14 04:18:04,250 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:04,306 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:18:04,307 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:18:04,307 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:18:04,307 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:18:04,308 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:18:04,308 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:18:04,308 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:18:04,308 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:18:04,308 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:18:04,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-14 04:18:04,350 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-14 04:18:04,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:04,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:04,360 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:04,360 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:04,360 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:18:04,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-14 04:18:04,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-14 04:18:04,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:04,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:04,368 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:04,368 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:04,374 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 49#L374true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 52#L382true main_#t~ret68 := valid_product_#res;main_~tmp~5 := main_#t~ret68;havoc main_#t~ret68; 43#L846true assume 0 != main_~tmp~5; 61#L821true ~methAndRunningLastTime~0 := 0; 5#L866true havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 7#L877-1true [2019-01-14 04:18:04,375 INFO L796 eck$LassoCheckResult]: Loop: 7#L877-1true assume !false; 21#L293true assume test_~splverifierCounter~0 < 4; 47#L294true test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 74#L302true assume !(0 != test_~tmp~1); 71#L302-1true test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 45#L312true assume !(0 != test_~tmp___0~0); 48#L312-1true test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 25#L322true assume 0 != test_~tmp___2~0; 69#L328-1true assume !(0 != ~pumpRunning~0); 57#L140true assume !(0 != ~systemActive~0); 28#L147true havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 59#L89-1true __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 3#L877true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 7#L877-1true [2019-01-14 04:18:04,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:04,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:18:04,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:04,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:04,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:04,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:04,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:05,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:05,363 INFO L82 PathProgramCache]: Analyzing trace with hash 10972499, now seen corresponding path program 1 times [2019-01-14 04:18:05,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:05,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:05,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:05,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:05,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:05,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:05,393 INFO L82 PathProgramCache]: Analyzing trace with hash 844269005, now seen corresponding path program 1 times [2019-01-14 04:18:05,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:05,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:05,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:05,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:05,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:18:05,759 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 04:18:05,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:18:05,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:18:05,885 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:18:05,994 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:18:06,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:18:06,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:18:06,037 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-01-14 04:18:06,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:18:06,598 INFO L93 Difference]: Finished difference Result 190 states and 265 transitions. [2019-01-14 04:18:06,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:18:06,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 265 transitions. [2019-01-14 04:18:06,627 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 119 [2019-01-14 04:18:06,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 169 states and 244 transitions. [2019-01-14 04:18:06,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2019-01-14 04:18:06,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2019-01-14 04:18:06,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 244 transitions. [2019-01-14 04:18:06,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:18:06,650 INFO L706 BuchiCegarLoop]: Abstraction has 169 states and 244 transitions. [2019-01-14 04:18:06,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 244 transitions. [2019-01-14 04:18:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 109. [2019-01-14 04:18:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-14 04:18:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2019-01-14 04:18:06,703 INFO L729 BuchiCegarLoop]: Abstraction has 109 states and 157 transitions. [2019-01-14 04:18:06,703 INFO L609 BuchiCegarLoop]: Abstraction has 109 states and 157 transitions. [2019-01-14 04:18:06,703 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:18:06,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 157 transitions. [2019-01-14 04:18:06,706 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2019-01-14 04:18:06,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:06,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:06,712 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:06,713 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:06,713 INFO L794 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0; 292#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 293#L374 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 337#L382 main_#t~ret68 := valid_product_#res;main_~tmp~5 := main_#t~ret68;havoc main_#t~ret68; 332#L846 assume 0 != main_~tmp~5; 333#L821 ~methAndRunningLastTime~0 := 0; 286#L866 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 285#L877-1 [2019-01-14 04:18:06,713 INFO L796 eck$LassoCheckResult]: Loop: 285#L877-1 assume !false; 287#L293 assume test_~splverifierCounter~0 < 4; 304#L294 test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 336#L302 assume !(0 != test_~tmp~1); 342#L302-1 test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 335#L312 assume !(0 != test_~tmp___0~0); 297#L312-1 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 311#L322 assume 0 != test_~tmp___2~0; 313#L328-1 assume !(0 != ~pumpRunning~0); 320#L140 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 327#L172 assume !(0 != ~pumpRunning~0); 306#L147 havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 315#L89-1 __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 283#L877 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 285#L877-1 [2019-01-14 04:18:06,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:06,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:18:06,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:06,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:06,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:06,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:06,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:07,056 INFO L82 PathProgramCache]: Analyzing trace with hash 319619009, now seen corresponding path program 1 times [2019-01-14 04:18:07,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:07,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:07,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,058 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:18:07,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:07,069 INFO L82 PathProgramCache]: Analyzing trace with hash 382006919, now seen corresponding path program 1 times [2019-01-14 04:18:07,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:07,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:07,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:07,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,699 WARN L181 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:18:07,890 WARN L181 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:18:33,141 WARN L181 SmtUtils]: Spent 25.23 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:18:45,308 WARN L181 SmtUtils]: Spent 12.15 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:18:45,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:18:45 BoogieIcfgContainer [2019-01-14 04:18:45,407 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:18:45,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:18:45,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:18:45,408 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:18:45,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:04" (3/4) ... [2019-01-14 04:18:45,413 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:18:45,501 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:18:45,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:18:45,502 INFO L168 Benchmark]: Toolchain (without parser) took 43340.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 347.6 MB). Free memory was 951.3 MB in the beginning and 1.3 GB in the end (delta: -386.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:18:45,505 INFO L168 Benchmark]: CDTParser took 0.47 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 04:18:45,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:45,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.58 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 04:18:45,510 INFO L168 Benchmark]: Boogie Preprocessor took 61.99 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 04:18:45,510 INFO L168 Benchmark]: RCFGBuilder took 1240.31 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: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:45,510 INFO L168 Benchmark]: BuchiAutomizer took 41167.77 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -240.1 MB). Peak memory consumption was 397.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:45,511 INFO L168 Benchmark]: Witness Printer took 93.24 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:18:45,518 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 698.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.99 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 1240.31 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: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41167.77 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -240.1 MB). Peak memory consumption was 397.9 MB. Max. memory is 11.5 GB. * Witness Printer took 93.24 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 40.2s. Construction of modules took 0.3s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 60 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 96 SDtfs, 361 SDslu, 539 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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: 292]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=-14, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=-17, NULL=-1, NULL=0, NULL=0, NULL=-8, NULL=0, NULL=0, NULL=-22, retValue_acc=0, NULL=-24, NULL=-19, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e4039f1=0, NULL=0, tmp___1=0, NULL=-5, cleanupTimeShifts=4, tmp=0, NULL=-3, NULL=-6, NULL=-4, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b55d993=0, NULL=0, NULL=-18, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=-20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c4f259e=0, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37db0747=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cdc2d13=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f95734=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e5de2b7=71, NULL=-25, NULL=-13, tmp___2=71, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-2, tmp=0, head=0, NULL=-15, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f93251=0, NULL=-10, NULL=0, NULL=-9, NULL=-7, NULL=-21, NULL=-11, NULL=-12, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L565] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L762] int cleanupTimeShifts = 4; [L860] int methAndRunningLastTime ; [L837] int retValue_acc ; [L838] int tmp ; [L378] int retValue_acc ; [L381] retValue_acc = 1 [L382] return (retValue_acc); [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L865] methAndRunningLastTime = 0 [L283] int splverifierCounter ; [L284] int tmp ; [L285] int tmp___0 ; [L286] int tmp___1 ; [L287] int tmp___2 ; [L290] splverifierCounter = 0 Loop: [L292] COND TRUE 1 [L294] COND TRUE splverifierCounter < 4 [L300] tmp = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp)) [L310] tmp___0 = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp___0)) [L320] tmp___2 = __VERIFIER_nondet_int() [L322] COND TRUE \read(tmp___2) [L140] COND FALSE !(\read(pumpRunning)) [L147] COND TRUE \read(systemActive) [L169] int tmp ; [L172] COND FALSE !(\read(pumpRunning)) [L870] int tmp ; [L871] int tmp___0 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L875] tmp = isMethaneLevelCritical() [L877] COND FALSE !(\read(tmp)) [L893] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...