./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product17_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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:26:06,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:26:06,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:26:06,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:26:06,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:26:06,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:26:06,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:26:06,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:26:06,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:26:06,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:26:06,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:26:06,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:26:06,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:26:06,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:26:06,605 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:26:06,606 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:26:06,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:26:06,610 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:26:06,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:26:06,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:26:06,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:26:06,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:26:06,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:26:06,629 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:26:06,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:26:06,630 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:26:06,631 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:26:06,632 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:26:06,633 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:26:06,634 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:26:06,634 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:26:06,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:26:06,635 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:26:06,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:26:06,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:26:06,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:26:06,637 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:26:06,667 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:26:06,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:26:06,668 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:26:06,669 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:26:06,669 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:26:06,669 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:26:06,670 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:26:06,670 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:26:06,670 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:26:06,670 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:26:06,670 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:26:06,671 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:26:06,671 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:26:06,671 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:26:06,671 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:26:06,671 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:26:06,671 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:26:06,672 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:26:06,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:26:06,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:26:06,673 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:26:06,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:26:06,673 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:26:06,673 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:26:06,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:26:06,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:26:06,674 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:26:06,674 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:26:06,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:26:06,674 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:26:06,675 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:26:06,676 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:26:06,676 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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2019-01-14 04:26:06,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:26:06,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:26:06,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:26:06,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:26:06,749 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:26:06,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2019-01-14 04:26:06,813 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a3ff094/2b1095d3963c486581a9b053c2ea3d18/FLAG4b78a2471 [2019-01-14 04:26:07,362 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:26:07,363 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2019-01-14 04:26:07,386 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a3ff094/2b1095d3963c486581a9b053c2ea3d18/FLAG4b78a2471 [2019-01-14 04:26:07,664 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a3ff094/2b1095d3963c486581a9b053c2ea3d18 [2019-01-14 04:26:07,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:26:07,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:26:07,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:26:07,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:26:07,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:26:07,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:26:07" (1/1) ... [2019-01-14 04:26:07,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199daf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:07, skipping insertion in model container [2019-01-14 04:26:07,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:26:07" (1/1) ... [2019-01-14 04:26:07,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:26:07,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:26:08,132 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:26:08,151 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:26:08,345 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:26:08,386 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:26:08,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08 WrapperNode [2019-01-14 04:26:08,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:26:08,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:26:08,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:26:08,388 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:26:08,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:26:08,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:26:08,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:26:08,462 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:26:08,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... [2019-01-14 04:26:08,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:26:08,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:26:08,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:26:08,507 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:26:08,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:26:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:26:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:26:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:26:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:26:09,604 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:26:09,604 INFO L286 CfgBuilder]: Removed 96 assue(true) statements. [2019-01-14 04:26:09,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:26:09 BoogieIcfgContainer [2019-01-14 04:26:09,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:26:09,606 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:26:09,606 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:26:09,610 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:26:09,611 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:26:09,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:26:07" (1/3) ... [2019-01-14 04:26:09,612 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6df86ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:26:09, skipping insertion in model container [2019-01-14 04:26:09,612 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:26:09,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:26:08" (2/3) ... [2019-01-14 04:26:09,613 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6df86ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:26:09, skipping insertion in model container [2019-01-14 04:26:09,613 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:26:09,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:26:09" (3/3) ... [2019-01-14 04:26:09,615 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2019-01-14 04:26:09,664 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:26:09,665 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:26:09,665 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:26:09,666 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:26:09,666 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:26:09,666 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:26:09,666 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:26:09,666 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:26:09,667 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:26:09,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-14 04:26:09,716 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-14 04:26:09,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:26:09,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:26:09,725 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:26:09,725 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:26:09,725 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:26:09,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-14 04:26:09,731 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-14 04:26:09,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:26:09,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:26:09,733 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:26:09,733 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:26:09,739 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.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); 17#L-1true havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 21#L204true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 16#L212true main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 68#L159true assume 0 != main_~tmp~1; 40#L132true havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 11#L51-1true [2019-01-14 04:26:09,739 INFO L796 eck$LassoCheckResult]: Loop: 11#L51-1true assume !false; 59#L228true assume test_~splverifierCounter~0 < 4; 60#L229true test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 26#L237true assume !(0 != test_~tmp~2); 22#L237-1true test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 71#L247true assume !(0 != test_~tmp___0~1); 69#L247-1true test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 55#L257true assume 0 != test_~tmp___2~0; 4#L263-2true assume !(0 != ~pumpRunning~0); 64#L295true assume !(0 != ~systemActive~0); 73#L302true havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 6#L515true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 14#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 11#L51-1true [2019-01-14 04:26:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:26:09,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:09,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:09,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:09,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:09,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:10,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:10,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2019-01-14 04:26:10,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:10,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:10,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:10,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:10,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:10,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:10,531 INFO L82 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2019-01-14 04:26:10,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:10,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:10,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:10,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:10,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:26:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:26:10,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:26:10,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:26:10,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:26:10,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:26:10,944 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-01-14 04:26:11,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:26:11,125 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2019-01-14 04:26:11,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 04:26:11,129 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2019-01-14 04:26:11,133 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-14 04:26:11,139 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-01-14 04:26:11,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-01-14 04:26:11,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-01-14 04:26:11,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-01-14 04:26:11,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:26:11,143 INFO L706 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-14 04:26:11,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-01-14 04:26:11,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-14 04:26:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-14 04:26:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-01-14 04:26:11,181 INFO L729 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-14 04:26:11,181 INFO L609 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-14 04:26:11,181 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:26:11,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-01-14 04:26:11,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-14 04:26:11,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:26:11,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:26:11,185 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:26:11,185 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:26:11,190 INFO L794 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.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); 185#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 186#L204 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 183#L212 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 184#L159 assume 0 != main_~tmp~1; 207#L132 havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 179#L51-1 [2019-01-14 04:26:11,190 INFO L796 eck$LassoCheckResult]: Loop: 179#L51-1 assume !false; 180#L228 assume test_~splverifierCounter~0 < 4; 222#L229 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 196#L237 assume !(0 != test_~tmp~2); 191#L237-1 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 192#L247 assume !(0 != test_~tmp___0~1); 226#L247-1 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 216#L257 assume 0 != test_~tmp___2~0; 165#L263-2 assume !(0 != ~pumpRunning~0); 166#L295 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 217#L327 assume !(0 != ~pumpRunning~0); 218#L302 havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 168#L515 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 169#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 179#L51-1 [2019-01-14 04:26:11,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:11,191 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:26:11,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:11,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:11,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:11,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:11,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:11,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:11,511 INFO L82 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2019-01-14 04:26:11,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:11,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:11,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:11,513 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:26:11,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:11,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:26:11,526 INFO L82 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2019-01-14 04:26:11,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:26:11,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:26:11,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:11,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:26:11,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:26:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:12,004 WARN L181 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:26:12,127 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:26:39,147 WARN L181 SmtUtils]: Spent 27.00 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:26:52,666 WARN L181 SmtUtils]: Spent 13.52 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:26:52,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:26:52 BoogieIcfgContainer [2019-01-14 04:26:52,763 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:26:52,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:26:52,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:26:52,764 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:26:52,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:26:09" (3/4) ... [2019-01-14 04:26:52,769 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:26:52,832 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:26:52,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:26:52,834 INFO L168 Benchmark]: Toolchain (without parser) took 45163.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.8 MB). Free memory was 951.4 MB in the beginning and 945.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 314.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,835 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. [2019-01-14 04:26:52,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.50 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,838 INFO L168 Benchmark]: Boogie Preprocessor took 44.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:26:52,838 INFO L168 Benchmark]: RCFGBuilder took 1098.81 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,839 INFO L168 Benchmark]: BuchiAutomizer took 43157.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 956.8 MB in the end (delta: 118.0 MB). Peak memory consumption was 398.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,841 INFO L168 Benchmark]: Witness Printer took 68.97 ms. Allocated memory is still 1.3 GB. Free memory was 956.8 MB in the beginning and 945.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:52,846 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 714.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.50 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.21 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 1098.81 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43157.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 956.8 MB in the end (delta: 118.0 MB). Peak memory consumption was 398.3 MB. Max. memory is 11.5 GB. * Witness Printer took 68.97 ms. Allocated memory is still 1.3 GB. Free memory was 956.8 MB in the beginning and 945.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 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 43.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 42.7s. 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, 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, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 227]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6703} State at position 1 is {NULL=6701, NULL=0, NULL=0, NULL=-7, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a330a3b=0, NULL=6703, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d98e2c6=60, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c6d1046=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@636acbc0=0, NULL=0, NULL=-14, NULL=-11, NULL=-15, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-20, NULL=0, tmp___1=0, NULL=1211, tmp___0=0, NULL=-3, NULL=-2, cleanupTimeShifts=4, NULL=6700, NULL=-5, NULL=6702, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36608bc=0, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67bd6ce0=0, NULL=-8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aa77f3e=0, NULL=-9, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-13, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15f48dc=0, NULL=-21, NULL=0, NULL=0, NULL=-16, tmp=1, NULL=0, NULL=0, NULL=0, NULL=-6, tmp=1, retValue_acc=1, retValue_acc=1, tmp___2=60, NULL=-4, tmp___0=0, splverifierCounter=0, NULL=0, NULL=-18, tmp=0, head=0, NULL=0, NULL=-10, NULL=-17, NULL=0, NULL=0, NULL=-1, NULL=-19} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L69] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L698] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L218] int splverifierCounter ; [L219] int tmp ; [L220] int tmp___0 ; [L221] int tmp___1 ; [L222] int tmp___2 ; [L225] splverifierCounter = 0 Loop: [L227] COND TRUE 1 [L229] COND TRUE splverifierCounter < 4 [L235] tmp = __VERIFIER_nondet_int() [L237] COND FALSE !(\read(tmp)) [L245] tmp___0 = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp___0)) [L255] tmp___2 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___2) [L295] COND FALSE !(\read(pumpRunning)) [L302] COND TRUE \read(systemActive) [L324] int tmp ; [L327] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...