./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product20_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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:46:15,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:46:15,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:46:15,371 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:46:15,371 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:46:15,372 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:46:15,374 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:46:15,376 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:46:15,377 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:46:15,378 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:46:15,379 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:46:15,379 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:46:15,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:46:15,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:46:15,383 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:46:15,383 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:46:15,384 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:46:15,386 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:46:15,388 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:46:15,390 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:46:15,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:46:15,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:46:15,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:46:15,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:46:15,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:46:15,396 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:46:15,397 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:46:15,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:46:15,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:46:15,400 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:46:15,401 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:46:15,401 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:46:15,402 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:46:15,402 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:46:15,403 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:46:15,404 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:46:15,404 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:46:15,421 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:46:15,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:46:15,423 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:46:15,423 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:46:15,423 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:46:15,424 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:46:15,424 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:46:15,424 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:46:15,424 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:46:15,425 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:46:15,425 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:46:15,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:46:15,425 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:46:15,426 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:46:15,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:46:15,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:46:15,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:46:15,426 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:46:15,427 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:46:15,427 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:46:15,427 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:46:15,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:46:15,428 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:46:15,428 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:46:15,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:46:15,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:46:15,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:46:15,429 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:46:15,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:46:15,429 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:46:15,429 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:46:15,430 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:46:15,430 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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2019-01-01 23:46:15,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:46:15,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:46:15,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:46:15,514 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:46:15,515 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:46:15,515 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:15,586 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22eb8928/27d8f046b3d6405ea0b5992e5e0e5dc9/FLAGfb4542722 [2019-01-01 23:46:16,101 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:46:16,102 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:16,115 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22eb8928/27d8f046b3d6405ea0b5992e5e0e5dc9/FLAGfb4542722 [2019-01-01 23:46:16,402 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f22eb8928/27d8f046b3d6405ea0b5992e5e0e5dc9 [2019-01-01 23:46:16,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:46:16,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:46:16,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:16,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:46:16,416 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:46:16,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:16" (1/1) ... [2019-01-01 23:46:16,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22099427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:16, skipping insertion in model container [2019-01-01 23:46:16,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:16" (1/1) ... [2019-01-01 23:46:16,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:46:16,504 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:46:16,899 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:16,917 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:46:17,012 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:17,067 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:46:17,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17 WrapperNode [2019-01-01 23:46:17,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:17,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:17,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:46:17,068 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:46:17,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:17,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:46:17,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:46:17,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:46:17,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... [2019-01-01 23:46:17,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:46:17,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:46:17,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:46:17,268 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:46:17,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:46:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:46:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:46:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:46:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:46:18,269 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:46:18,270 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2019-01-01 23:46:18,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:18 BoogieIcfgContainer [2019-01-01 23:46:18,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:46:18,271 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:46:18,271 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:46:18,274 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:46:18,275 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:18,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:46:16" (1/3) ... [2019-01-01 23:46:18,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fe06829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:18, skipping insertion in model container [2019-01-01 23:46:18,277 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:18,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:17" (2/3) ... [2019-01-01 23:46:18,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fe06829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:18, skipping insertion in model container [2019-01-01 23:46:18,278 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:18,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:18" (3/3) ... [2019-01-01 23:46:18,280 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:18,340 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:46:18,341 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:46:18,341 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:46:18,341 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:46:18,341 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:46:18,341 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:46:18,341 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:46:18,342 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:46:18,342 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:46:18,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-01-01 23:46:18,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-01 23:46:18,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:18,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:18,402 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:18,402 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:18,403 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:46:18,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-01-01 23:46:18,409 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-01 23:46:18,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:18,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:18,410 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:18,410 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:18,417 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 17#L-1true havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0; 22#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 16#L73true main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 28#L259true assume 0 != main_~tmp~0; 53#L235true havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 74#L657-1true [2019-01-01 23:46:18,417 INFO L796 eck$LassoCheckResult]: Loop: 74#L657-1true assume !false; 64#L865true assume test_~splverifierCounter~0 < 4; 8#L866true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 39#L874true assume !(0 != test_~tmp~7); 19#L874-1true test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 68#L884true assume !(0 != test_~tmp___0~2); 69#L884-1true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 51#L894true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 75#L902-1true assume !(0 != ~pumpRunning~0); 59#L686true assume !(0 != ~systemActive~0); 66#L693true havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 21#L160true __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 71#L657true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 74#L657-1true [2019-01-01 23:46:18,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:18,424 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:46:18,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:18,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:18,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:18,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:18,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:19,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:19,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2019-01-01 23:46:19,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:19,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:19,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:19,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:19,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:46:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:46:19,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:46:19,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:46:19,492 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:46:19,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:46:19,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:46:19,519 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-01-01 23:46:19,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:46:19,702 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-01-01 23:46:19,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:46:19,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-01-01 23:46:19,714 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-01-01 23:46:19,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-01-01 23:46:19,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-01-01 23:46:19,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-01-01 23:46:19,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-01-01 23:46:19,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:46:19,727 INFO L705 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-01-01 23:46:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-01-01 23:46:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-01-01 23:46:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-01-01 23:46:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-01-01 23:46:19,772 INFO L728 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-01-01 23:46:19,773 INFO L608 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-01-01 23:46:19,773 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:46:19,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-01-01 23:46:19,776 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-01-01 23:46:19,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:19,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:19,777 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:19,777 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:19,778 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 246#L-1 havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0; 247#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 244#L73 main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 245#L259 assume 0 != main_~tmp~0; 260#L235 havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 243#L657-1 [2019-01-01 23:46:19,778 INFO L796 eck$LassoCheckResult]: Loop: 243#L657-1 assume !false; 299#L865 assume test_~splverifierCounter~0 < 4; 308#L866 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 307#L874 assume !(0 != test_~tmp~7); 305#L874-1 test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 295#L884 assume !(0 != test_~tmp___0~2); 284#L884-1 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 303#L894 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 286#L902-1 assume !(0 != ~pumpRunning~0); 230#L686 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 277#L718 assume !(0 != ~pumpRunning~0); 278#L693 havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 312#L160 __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 297#L657 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 243#L657-1 [2019-01-01 23:46:19,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:19,778 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:46:19,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:19,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:19,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:19,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:19,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:20,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:20,071 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2019-01-01 23:46:20,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:20,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:20,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:20,074 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:46:20,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:20,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:20,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2019-01-01 23:46:20,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:20,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:20,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:20,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:20,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:21,095 WARN L181 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-01-01 23:46:21,448 WARN L181 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-01 23:46:44,226 WARN L181 SmtUtils]: Spent 22.74 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:46:56,797 WARN L181 SmtUtils]: Spent 12.57 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:46:56,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:46:56 BoogieIcfgContainer [2019-01-01 23:46:56,893 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:46:56,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:46:56,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:46:56,895 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:46:56,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:18" (3/4) ... [2019-01-01 23:46:56,899 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:46:57,024 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:46:57,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:46:57,026 INFO L168 Benchmark]: Toolchain (without parser) took 40617.78 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -92.1 MB). Peak memory consumption was 236.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:57,030 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-01-01 23:46:57,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.36 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:57,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -204.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:57,034 INFO L168 Benchmark]: Boogie Preprocessor took 46.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:46:57,035 INFO L168 Benchmark]: RCFGBuilder took 1003.01 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: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:57,035 INFO L168 Benchmark]: BuchiAutomizer took 38622.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.0 MB). Peak memory consumption was 428.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:57,036 INFO L168 Benchmark]: Witness Printer took 131.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:57,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 657.36 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 152.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -204.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.26 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 1003.01 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: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38622.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.0 MB). Peak memory consumption was 428.4 MB. Max. memory is 11.5 GB. * Witness Printer took 131.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 864]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-1, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=-26, NULL=-25, methaneLevelCritical=0, NULL=-6, NULL=-15, NULL=-8, NULL=0, tmp=0, NULL=-5, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=-14, cleanupTimeShifts=4, NULL=-9, NULL=-10, NULL=-11, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c02e41d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d9f105c=0, NULL=-18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b1fd8ab=0, NULL=0, NULL=-20, NULL=0, NULL=0, NULL=-21, NULL=0, NULL=0, retValue_acc=1, NULL=-3, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=-16, NULL=-28, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cafe0ed=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b9950f2=0, NULL=0, NULL=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7172d9e3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60c12db5=71, tmp=1, retValue_acc=1, tmp___2=71, tmp___0=0, NULL=-7, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@270dda1a=0, NULL=-4, head=0, tmp=0, NULL=-2, NULL=0, NULL=0, NULL=-19, NULL=-13, NULL=-23, NULL=-24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L174] int cleanupTimeShifts = 4; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L250] int retValue_acc ; [L251] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L855] int splverifierCounter ; [L856] int tmp ; [L857] int tmp___0 ; [L858] int tmp___1 ; [L859] int tmp___2 ; [L862] splverifierCounter = 0 Loop: [L864] COND TRUE 1 [L866] COND TRUE splverifierCounter < 4 [L872] tmp = __VERIFIER_nondet_int() [L874] COND FALSE !(\read(tmp)) [L882] tmp___0 = __VERIFIER_nondet_int() [L884] COND FALSE !(\read(tmp___0)) [L892] tmp___2 = __VERIFIER_nondet_int() [L894] COND TRUE \read(tmp___2) [L849] systemActive = 1 [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L650] int tmp ; [L651] int tmp___0 ; [L156] int retValue_acc ; [L159] retValue_acc = waterLevel [L160] return (retValue_acc); [L655] tmp = getWaterLevel() [L657] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...