./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product25_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_product25_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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 .................................................................................................................................................................................................................................................................................................................................................................... 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 23:46:39,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:46:39,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:46:39,373 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:46:39,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:46:39,377 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:46:39,378 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:46:39,381 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:46:39,383 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:46:39,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:46:39,386 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:46:39,386 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:46:39,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:46:39,392 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:46:39,399 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:46:39,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:46:39,401 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:46:39,403 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:46:39,405 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:46:39,406 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:46:39,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:46:39,409 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:46:39,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:46:39,412 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:46:39,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:46:39,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:46:39,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:46:39,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:46:39,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:46:39,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:46:39,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:46:39,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:46:39,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:46:39,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:46:39,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:46:39,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:46:39,424 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:46:39,446 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:46:39,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:46:39,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:46:39,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:46:39,448 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:46:39,449 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:46:39,449 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:46:39,450 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:46:39,450 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:46:39,450 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:46:39,450 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:46:39,450 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:46:39,451 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:46:39,451 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:46:39,451 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:46:39,451 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:46:39,451 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:46:39,453 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:46:39,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:46:39,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:46:39,453 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:46:39,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:46:39,454 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:46:39,454 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:46:39,455 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:46:39,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:46:39,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:46:39,455 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:46:39,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:46:39,456 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:46:39,456 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:46:39,458 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:46:39,458 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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2019-01-01 23:46:39,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:46:39,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:46:39,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:46:39,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:46:39,515 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:46:39,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:39,577 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1da0b335/fcc2435c9167452296100f04e944f85b/FLAGcbadd34ab [2019-01-01 23:46:40,127 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:46:40,129 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:40,148 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1da0b335/fcc2435c9167452296100f04e944f85b/FLAGcbadd34ab [2019-01-01 23:46:40,422 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1da0b335/fcc2435c9167452296100f04e944f85b [2019-01-01 23:46:40,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:46:40,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:46:40,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:40,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:46:40,432 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:46:40,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:40" (1/1) ... [2019-01-01 23:46:40,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5694ea96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:40, skipping insertion in model container [2019-01-01 23:46:40,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:40" (1/1) ... [2019-01-01 23:46:40,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:46:40,503 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:46:40,899 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:40,925 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:46:41,114 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:41,164 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:46:41,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41 WrapperNode [2019-01-01 23:46:41,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:41,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:41,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:46:41,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:46:41,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:41,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:46:41,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:46:41,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:46:41,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (1/1) ... [2019-01-01 23:46:41,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:46:41,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:46:41,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:46:41,313 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:46:41,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (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 23:46:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:46:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:46:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:46:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:46:42,463 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:46:42,464 INFO L280 CfgBuilder]: Removed 96 assue(true) statements. [2019-01-01 23:46:42,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:42 BoogieIcfgContainer [2019-01-01 23:46:42,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:46:42,466 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:46:42,466 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:46:42,471 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:46:42,472 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:42,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:46:40" (1/3) ... [2019-01-01 23:46:42,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fd3b2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:42, skipping insertion in model container [2019-01-01 23:46:42,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:42,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:41" (2/3) ... [2019-01-01 23:46:42,475 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fd3b2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:42, skipping insertion in model container [2019-01-01 23:46:42,475 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:42,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:42" (3/3) ... [2019-01-01 23:46:42,477 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:42,534 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:46:42,535 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:46:42,535 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:46:42,535 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:46:42,535 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:46:42,535 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:46:42,535 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:46:42,535 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:46:42,536 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:46:42,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-01 23:46:42,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-01 23:46:42,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:42,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:42,591 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:42,591 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:42,591 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:46:42,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-01 23:46:42,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-01 23:46:42,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:42,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:42,600 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:42,600 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:42,606 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 7#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 27#L322true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 50#L330true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 3#L899true assume 0 != main_~tmp~8; 59#L876true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L344-1true [2019-01-01 23:46:42,606 INFO L796 eck$LassoCheckResult]: Loop: 28#L344-1true assume !false; 67#L64true assume test_~splverifierCounter~0 < 4; 13#L65true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 6#L73true assume !(0 != test_~tmp~0); 5#L73-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 61#L83true assume !(0 != test_~tmp___0~0); 60#L83-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 48#L93true assume 0 != test_~tmp___2~0; 38#L99-2true assume !(0 != ~pumpRunning~0); 58#L134true assume !(0 != ~systemActive~0); 71#L141true havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 63#L437true __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; 25#L344true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 28#L344-1true [2019-01-01 23:46:42,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:42,613 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:46:42,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:42,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:42,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:42,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:42,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:43,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:43,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2019-01-01 23:46:43,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:43,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:43,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:43,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:43,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:43,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:43,700 INFO L82 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2019-01-01 23:46:43,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:43,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:43,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:43,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:43,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:46:44,055 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 23:46:44,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:46:44,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:46:44,302 WARN L181 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:46:44,418 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:46:44,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 23:46:44,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-01 23:46:44,450 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-01-01 23:46:44,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:46:44,609 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2019-01-01 23:46:44,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 23:46:44,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2019-01-01 23:46:44,621 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-01 23:46:44,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-01-01 23:46:44,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-01-01 23:46:44,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-01-01 23:46:44,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-01-01 23:46:44,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:46:44,637 INFO L705 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:46:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-01-01 23:46:44,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-01 23:46:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 23:46:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-01-01 23:46:44,673 INFO L728 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:46:44,673 INFO L608 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:46:44,673 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:46:44,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-01-01 23:46:44,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-01 23:46:44,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:44,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:44,676 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:44,677 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:44,677 INFO L794 eck$LassoCheckResult]: Stem: 202#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 171#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 172#L322 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 197#L330 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 162#L899 assume 0 != main_~tmp~8; 163#L876 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 195#L344-1 [2019-01-01 23:46:44,677 INFO L796 eck$LassoCheckResult]: Loop: 195#L344-1 assume !false; 199#L64 assume test_~splverifierCounter~0 < 4; 179#L65 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 166#L73 assume !(0 != test_~tmp~0); 164#L73-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 165#L83 assume !(0 != test_~tmp___0~0); 204#L83-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 214#L93 assume 0 != test_~tmp___2~0; 206#L99-2 assume !(0 != ~pumpRunning~0); 207#L134 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 212#L166 assume !(0 != ~pumpRunning~0); 213#L141 havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 224#L437 __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; 194#L344 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 195#L344-1 [2019-01-01 23:46:44,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:44,678 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:46:44,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:44,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:44,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:44,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:44,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:45,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:45,071 INFO L82 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2019-01-01 23:46:45,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:45,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:45,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:45,073 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:46:45,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:45,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:45,085 INFO L82 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2019-01-01 23:46:45,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:45,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:45,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:45,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:45,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:45,785 WARN L181 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-01 23:46:45,926 WARN L181 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-01 23:47:17,128 WARN L181 SmtUtils]: Spent 31.18 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:47:31,725 WARN L181 SmtUtils]: Spent 14.60 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:47:31,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:47:31 BoogieIcfgContainer [2019-01-01 23:47:31,815 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:47:31,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:47:31,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:47:31,818 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:47:31,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:42" (3/4) ... [2019-01-01 23:47:31,825 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:47:31,927 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:47:31,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:47:31,929 INFO L168 Benchmark]: Toolchain (without parser) took 51502.14 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.8 MB). Free memory was 943.3 MB in the beginning and 979.0 MB in the end (delta: -35.7 MB). Peak memory consumption was 295.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:31,930 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:47:31,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:31,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.56 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:31,933 INFO L168 Benchmark]: Boogie Preprocessor took 53.90 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 23:47:31,933 INFO L168 Benchmark]: RCFGBuilder took 1153.25 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:31,934 INFO L168 Benchmark]: BuchiAutomizer took 49349.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 990.6 MB in the end (delta: 81.4 MB). Peak memory consumption was 425.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:31,935 INFO L168 Benchmark]: Witness Printer took 110.49 ms. Allocated memory is still 1.4 GB. Free memory was 990.6 MB in the beginning and 979.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:31,945 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 736.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.56 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.90 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 1153.25 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 49349.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 990.6 MB in the end (delta: 81.4 MB). Peak memory consumption was 425.6 MB. Max. memory is 11.5 GB. * Witness Printer took 110.49 ms. Allocated memory is still 1.4 GB. Free memory was 990.6 MB in the beginning and 979.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 49.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 48.9s. Construction of modules took 0.0s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 283 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 63]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2506} State at position 1 is {NULL=0, NULL=0, NULL=7, NULL=9, NULL=2506, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3793a2a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6162ea3a=63, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54e844f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59a7b5dc=0, NULL=-9, NULL=-2, methaneLevelCritical=0, NULL=11, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-6, NULL=0, tmp___1=0, NULL=0, NULL=5, NULL=2499, NULL=10, cleanupTimeShifts=4, tmp=0, NULL=12, NULL=-4, tmp___0=0, NULL=0, systemActive=1, waterLevel=1, NULL=-7, \result=1, NULL=0, NULL=0, NULL=0, NULL=2503, NULL=0, NULL=-5, NULL=0, tmp___0=0, NULL=6, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, \result=1, NULL=2500, head=0, pumpRunning=0, NULL=8, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bddfeee=0, NULL=0, NULL=-10, NULL=0, tmp=1, NULL=0, NULL=0, retValue_acc=1, NULL=-3, NULL=2504, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c2d7c28=0, tmp=1, retValue_acc=1, tmp___2=63, NULL=2505, splverifierCounter=0, NULL=0, NULL=2501, tmp=0, head=0, NULL=0, NULL=0, NULL=-8, NULL=2502, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d8b09e7=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b41cb0b=0, NULL=4} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L126] int pumpRunning = 0; [L127] int systemActive = 1; [L362] int waterLevel = 1; [L363] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L817] int cleanupTimeShifts = 4; [L890] int retValue_acc ; [L891] int tmp ; [L326] int retValue_acc ; [L329] retValue_acc = 1 [L330] return (retValue_acc); [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) [L54] int splverifierCounter ; [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L58] int tmp___2 ; [L61] splverifierCounter = 0 Loop: [L63] COND TRUE 1 [L65] COND TRUE splverifierCounter < 4 [L71] tmp = __VERIFIER_nondet_int() [L73] COND FALSE !(\read(tmp)) [L81] tmp___0 = __VERIFIER_nondet_int() [L83] COND FALSE !(\read(tmp___0)) [L91] tmp___2 = __VERIFIER_nondet_int() [L93] COND TRUE \read(tmp___2) [L134] COND FALSE !(\read(pumpRunning)) [L141] COND TRUE \read(systemActive) [L163] int tmp ; [L166] COND FALSE !(\read(pumpRunning)) [L337] int tmp ; [L338] int tmp___0 ; [L433] int retValue_acc ; [L436] retValue_acc = waterLevel [L437] return (retValue_acc); [L342] tmp = getWaterLevel() [L344] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...