./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product19_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_spec4_product19_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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ................................................................................................................................................................................................................................................................................................................................................................... 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 04:26:10,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:26:10,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:26:10,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:26:10,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:26:10,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:26:10,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:26:10,233 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:26:10,234 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:26:10,235 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:26:10,236 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:26:10,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:26:10,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:26:10,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:26:10,241 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:26:10,241 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:26:10,242 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:26:10,244 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:26:10,247 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:26:10,249 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:26:10,250 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:26:10,251 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:26:10,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:26:10,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:26:10,255 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:26:10,256 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:26:10,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:26:10,258 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:26:10,259 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:26:10,261 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:26:10,261 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:26:10,262 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:26:10,262 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:26:10,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:26:10,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:26:10,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:26:10,265 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:26:10,284 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:26:10,285 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:26:10,287 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:26:10,287 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:26:10,287 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:26:10,287 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:26:10,287 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:26:10,288 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:26:10,288 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:26:10,288 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:26:10,288 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:26:10,288 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:26:10,288 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:26:10,289 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:26:10,290 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:26:10,290 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:26:10,290 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:26:10,291 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:26:10,291 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:26:10,291 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:26:10,291 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:26:10,291 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:26:10,292 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:26:10,293 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:26:10,293 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:26:10,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:26:10,293 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:26:10,293 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:26:10,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:26:10,294 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:26:10,295 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:26:10,296 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:26:10,296 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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2019-01-14 04:26:10,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:26:10,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:26:10,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:26:10,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:26:10,356 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:26:10,358 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2019-01-14 04:26:10,434 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6beaceef/4e410cab47714e7cbcfa8ade2007b56d/FLAG9b8367722 [2019-01-14 04:26:10,941 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:26:10,943 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2019-01-14 04:26:10,963 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6beaceef/4e410cab47714e7cbcfa8ade2007b56d/FLAG9b8367722 [2019-01-14 04:26:11,261 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6beaceef/4e410cab47714e7cbcfa8ade2007b56d [2019-01-14 04:26:11,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:26:11,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:26:11,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:26:11,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:26:11,273 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:26:11,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:26:11" (1/1) ... [2019-01-14 04:26:11,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee16498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:11, skipping insertion in model container [2019-01-14 04:26:11,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:26:11" (1/1) ... [2019-01-14 04:26:11,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:26:11,340 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:26:11,782 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:26:11,798 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:26:11,969 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:26:12,003 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:26:12,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12 WrapperNode [2019-01-14 04:26:12,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:26:12,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:26:12,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:26:12,005 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:26:12,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:26:12,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:26:12,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:26:12,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:26:12,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (1/1) ... [2019-01-14 04:26:12,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:26:12,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:26:12,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:26:12,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:26:12,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (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 04:26:12,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:26:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:26:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:26:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:26:13,347 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:26:13,348 INFO L286 CfgBuilder]: Removed 100 assue(true) statements. [2019-01-14 04:26:13,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:26:13 BoogieIcfgContainer [2019-01-14 04:26:13,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:26:13,350 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:26:13,350 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:26:13,354 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:26:13,355 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:26:13,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:26:11" (1/3) ... [2019-01-14 04:26:13,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60535880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:26:13, skipping insertion in model container [2019-01-14 04:26:13,356 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:26:13,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:12" (2/3) ... [2019-01-14 04:26:13,357 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60535880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:26:13, skipping insertion in model container [2019-01-14 04:26:13,357 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:26:13,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:26:13" (3/3) ... [2019-01-14 04:26:13,359 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2019-01-14 04:26:13,413 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:26:13,413 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:26:13,413 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:26:13,414 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:26:13,414 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:26:13,414 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:26:13,414 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:26:13,414 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:26:13,415 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:26:13,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-01-14 04:26:13,460 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-14 04:26:13,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:26:13,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:26:13,470 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:26:13,470 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:26:13,470 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:26:13,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-01-14 04:26:13,476 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-14 04:26:13,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:26:13,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:26:13,478 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:26:13,478 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:26:13,484 INFO L794 eck$LassoCheckResult]: Stem: 41#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(13);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string54.base, #t~string54.offset, 1);call write~init~int(80, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(117, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(109, #t~string54.base, 3 + #t~string54.offset, 1);call write~init~int(112, #t~string54.base, 4 + #t~string54.offset, 1);call write~init~int(58, #t~string54.base, 5 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 6 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string60.base, #t~string60.offset, 1);call write~init~int(32, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string62.base, #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 1 + #t~string62.offset, 1);~cleanupTimeShifts~0 := 4; 13#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 38#L874true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 43#L882true main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 45#L838true assume 0 != main_~tmp~6; 33#L812true havoc test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 68#L895-1true [2019-01-14 04:26:13,485 INFO L796 eck$LassoCheckResult]: Loop: 68#L895-1true assume !false; 61#L697true assume test_~splverifierCounter~0 < 4; 25#L698true test_~tmp~5 := test_#t~nondet64;havoc test_#t~nondet64; 32#L706true assume !(0 != test_~tmp~5); 34#L706-1true test_~tmp___0~1 := test_#t~nondet65;havoc test_#t~nondet65; 7#L716true assume !(0 != test_~tmp___0~1); 9#L716-1true test_~tmp___2~0 := test_#t~nondet66;havoc test_#t~nondet66; 66#L726true assume 0 != test_~tmp___2~0; 47#L732-1true assume !(0 != ~pumpRunning~0); 29#L516true assume !(0 != ~systemActive~0); 36#L523true havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 54#L488true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 11#L895true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 68#L895-1true [2019-01-14 04:26:13,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:13,491 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:26:13,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:13,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:13,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:13,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:13,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:14,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:14,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2019-01-14 04:26:14,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:14,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:14,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:14,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:14,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:14,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:14,417 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2019-01-14 04:26:14,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:14,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:14,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:14,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:14,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:26:14,806 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 04:26:14,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:26:14,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:26:15,113 WARN L181 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-14 04:26:15,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:26:15,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:26:15,199 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-01-14 04:26:15,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:26:15,583 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2019-01-14 04:26:15,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:26:15,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2019-01-14 04:26:15,601 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2019-01-14 04:26:15,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2019-01-14 04:26:15,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2019-01-14 04:26:15,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2019-01-14 04:26:15,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2019-01-14 04:26:15,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:26:15,618 INFO L706 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2019-01-14 04:26:15,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2019-01-14 04:26:15,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2019-01-14 04:26:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-01-14 04:26:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-01-14 04:26:15,667 INFO L729 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-01-14 04:26:15,668 INFO L609 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-01-14 04:26:15,668 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:26:15,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2019-01-14 04:26:15,672 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2019-01-14 04:26:15,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:26:15,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:26:15,673 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:26:15,673 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:26:15,673 INFO L794 eck$LassoCheckResult]: Stem: 333#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(13);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string54.base, #t~string54.offset, 1);call write~init~int(80, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(117, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(109, #t~string54.base, 3 + #t~string54.offset, 1);call write~init~int(112, #t~string54.base, 4 + #t~string54.offset, 1);call write~init~int(58, #t~string54.base, 5 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 6 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string60.base, #t~string60.offset, 1);call write~init~int(32, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string62.base, #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 1 + #t~string62.offset, 1);~cleanupTimeShifts~0 := 4; 307#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 308#L874 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 330#L882 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 334#L838 assume 0 != main_~tmp~6; 325#L812 havoc test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 291#L895-1 [2019-01-14 04:26:15,678 INFO L796 eck$LassoCheckResult]: Loop: 291#L895-1 assume !false; 348#L697 assume test_~splverifierCounter~0 < 4; 314#L698 test_~tmp~5 := test_#t~nondet64;havoc test_#t~nondet64; 315#L706 assume !(0 != test_~tmp~5); 320#L706-1 test_~tmp___0~1 := test_#t~nondet65;havoc test_#t~nondet65; 295#L716 assume !(0 != test_~tmp___0~1); 296#L716-1 test_~tmp___2~0 := test_#t~nondet66;havoc test_#t~nondet66; 300#L726 assume 0 != test_~tmp___2~0; 337#L732-1 assume !(0 != ~pumpRunning~0); 321#L516 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 284#L548 assume !(0 != ~pumpRunning~0); 286#L523 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 327#L488 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 305#L895 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 291#L895-1 [2019-01-14 04:26:15,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:15,679 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:26:15,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:15,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:15,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:15,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:15,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:16,032 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2019-01-14 04:26:16,032 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:16,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:16,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:16,035 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:26:16,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:16,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:16,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2019-01-14 04:26:16,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:16,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:16,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:16,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:16,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:16,588 WARN L181 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:26:16,784 WARN L181 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:26:39,340 WARN L181 SmtUtils]: Spent 22.54 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:26:52,255 WARN L181 SmtUtils]: Spent 12.91 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:26:52,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:26:52 BoogieIcfgContainer [2019-01-14 04:26:52,333 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:26:52,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:26:52,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:26:52,334 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:26:52,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:26:13" (3/4) ... [2019-01-14 04:26:52,339 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:26:52,418 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:26:52,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:26:52,420 INFO L168 Benchmark]: Toolchain (without parser) took 41153.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 951.4 MB in the beginning and 915.8 MB in the end (delta: 35.5 MB). Peak memory consumption was 351.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,421 INFO L168 Benchmark]: CDTParser took 0.23 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 04:26:52,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.94 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 04:26:52,423 INFO L168 Benchmark]: Boogie Preprocessor took 49.54 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 04:26:52,425 INFO L168 Benchmark]: RCFGBuilder took 1216.71 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,426 INFO L168 Benchmark]: BuchiAutomizer took 38983.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.2 MB). Free memory was 1.1 GB in the beginning and 915.8 MB in the end (delta: 171.9 MB). Peak memory consumption was 391.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,428 INFO L168 Benchmark]: Witness Printer took 85.50 ms. Allocated memory is still 1.3 GB. Free memory is still 915.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:26:52,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 735.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.94 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 49.54 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 1216.71 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38983.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.2 MB). Free memory was 1.1 GB in the beginning and 915.8 MB in the end (delta: 171.9 MB). Peak memory consumption was 391.9 MB. Max. memory is 11.5 GB. * Witness Printer took 85.50 ms. Allocated memory is still 1.3 GB. Free memory is still 915.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 108 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.3s. Construction of modules took 0.2s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 108 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 370 SDslu, 524 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 696]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3093} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16749202=0, NULL=0, NULL=0, NULL=3093, NULL=0, NULL=0, NULL=0, NULL=-15, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@476ec68a=0, NULL=-7, methaneLevelCritical=0, retValue_acc=1, tmp=0, tmp___1=0, NULL=-4, NULL=-11, NULL=-13, NULL=-2, NULL=-18, cleanupTimeShifts=4, NULL=-20, NULL=-10, NULL=-21, tmp___0=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c85ae4d=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=-1, NULL=-3, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75dd2325=0, NULL=0, NULL=0, NULL=-22, NULL=0, NULL=0, \result=1, NULL=-16, head=0, pumpRunning=0, \result=0, NULL=-19, NULL=-5, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3165185c=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@351c49c9=68, NULL=3092, NULL=-9, tmp=1, tmp___2=68, retValue_acc=1, NULL=-8, tmp___0=0, splverifierCounter=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@efb8acd=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74ed32f2=0, NULL=0, NULL=-6, NULL=-14, NULL=0, NULL=-12, NULL=0, NULL=0, NULL=-17, NULL=-23, NULL=3091, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L753] int cleanupTimeShifts = 4; [L829] int retValue_acc ; [L830] int tmp ; [L878] int retValue_acc ; [L881] retValue_acc = 1 [L882] return (retValue_acc); [L836] tmp = valid_product() [L838] COND TRUE \read(tmp) [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L516] COND FALSE !(\read(pumpRunning)) [L523] COND TRUE \read(systemActive) [L545] int tmp ; [L548] COND FALSE !(\read(pumpRunning)) [L888] int tmp ; [L889] int tmp___0 ; [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L893] tmp = getWaterLevel() [L895] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...