./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product26_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_product26_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 2f4238b880349218219a89e1d8f45e6533ff8d7c ........................................................................................................................................................................................................................................................................................................................................................... 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 23:46:44,490 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:46:44,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:46:44,504 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:46:44,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:46:44,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:46:44,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:46:44,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:46:44,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:46:44,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:46:44,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:46:44,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:46:44,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:46:44,516 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:46:44,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:46:44,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:46:44,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:46:44,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:46:44,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:46:44,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:46:44,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:46:44,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:46:44,530 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:46:44,530 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:46:44,530 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:46:44,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:46:44,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:46:44,538 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:46:44,539 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:46:44,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:46:44,540 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:46:44,543 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:46:44,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:46:44,544 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:46:44,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:46:44,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:46:44,548 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:46:44,583 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:46:44,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:46:44,586 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:46:44,587 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:46:44,587 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:46:44,587 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:46:44,587 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:46:44,587 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:46:44,588 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:46:44,589 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:46:44,589 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:46:44,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:46:44,589 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:46:44,589 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:46:44,590 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:46:44,590 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:46:44,590 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:46:44,590 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:46:44,590 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:46:44,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:46:44,592 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:46:44,592 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:46:44,592 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:46:44,593 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:46:44,593 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:46:44,593 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:46:44,593 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:46:44,593 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:46:44,593 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:46:44,594 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:46:44,595 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:46:44,595 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:46:44,596 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 -> 2f4238b880349218219a89e1d8f45e6533ff8d7c [2019-01-01 23:46:44,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:46:44,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:46:44,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:46:44,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:46:44,675 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:46:44,676 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product26_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:44,740 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c57ce318/fa2b6fa8d5f64950bcf1c1db453e3184/FLAGb69896f14 [2019-01-01 23:46:45,234 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:46:45,235 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product26_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:45,254 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c57ce318/fa2b6fa8d5f64950bcf1c1db453e3184/FLAGb69896f14 [2019-01-01 23:46:45,528 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c57ce318/fa2b6fa8d5f64950bcf1c1db453e3184 [2019-01-01 23:46:45,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:46:45,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:46:45,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:45,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:46:45,539 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:46:45,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:45" (1/1) ... [2019-01-01 23:46:45,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3ea916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:45, skipping insertion in model container [2019-01-01 23:46:45,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:46:45" (1/1) ... [2019-01-01 23:46:45,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:46:45,618 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:46:45,979 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:46,004 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:46:46,188 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:46:46,235 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:46:46,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46 WrapperNode [2019-01-01 23:46:46,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:46:46,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:46,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:46:46,237 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:46:46,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:46:46,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:46:46,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:46:46,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:46:46,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (1/1) ... [2019-01-01 23:46:46,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:46:46,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:46:46,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:46:46,384 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:46:46,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (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 23:46:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:46:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:46:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:46:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:46:47,420 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:46:47,421 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2019-01-01 23:46:47,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:47 BoogieIcfgContainer [2019-01-01 23:46:47,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:46:47,423 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:46:47,423 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:46:47,426 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:46:47,427 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:47,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:46:45" (1/3) ... [2019-01-01 23:46:47,429 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15bfa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:47, skipping insertion in model container [2019-01-01 23:46:47,429 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:47,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:46:46" (2/3) ... [2019-01-01 23:46:47,430 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15bfa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:46:47, skipping insertion in model container [2019-01-01 23:46:47,430 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:46:47,430 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:47" (3/3) ... [2019-01-01 23:46:47,434 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product26_true-unreach-call_false-termination.cil.c [2019-01-01 23:46:47,492 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:46:47,493 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:46:47,493 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:46:47,493 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:46:47,493 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:46:47,494 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:46:47,494 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:46:47,494 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:46:47,494 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:46:47,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-01 23:46:47,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-01 23:46:47,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:47,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:47,559 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:47,559 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:47,559 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:46:47,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-01 23:46:47,565 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-01 23:46:47,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:47,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:47,567 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:47,567 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:47,573 INFO L794 eck$LassoCheckResult]: Stem: 38#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.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; 12#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; 8#L449true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 14#L457true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 3#L910true assume 0 != main_~tmp~8; 67#L887true 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; 31#L406-1true [2019-01-01 23:46:47,573 INFO L796 eck$LassoCheckResult]: Loop: 31#L406-1true assume !false; 17#L65true assume test_~splverifierCounter~0 < 4; 42#L66true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 52#L74true assume !(0 != test_~tmp~0); 33#L74-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 11#L84true assume !(0 != test_~tmp___0~0); 9#L84-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 70#L94true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 23#L102-2true assume !(0 != ~pumpRunning~0); 51#L137true assume !(0 != ~systemActive~0); 46#L144true havoc __utac_acc__Specification4_spec__1_#t~ret34, __utac_acc__Specification4_spec__1_#t~ret35, __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~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 30#L384true __utac_acc__Specification4_spec__1_#t~ret34 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret34;havoc __utac_acc__Specification4_spec__1_#t~ret34; 27#L406true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 31#L406-1true [2019-01-01 23:46:47,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:47,588 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:46:47,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:47,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:47,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:47,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:47,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:48,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:48,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1680729469, now seen corresponding path program 1 times [2019-01-01 23:46:48,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:48,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:48,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:48,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:48,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:46:48,674 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 23:46:48,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:46:48,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:46:48,681 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:46:48,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:46:48,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:46:48,698 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-01-01 23:46:48,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:46:48,792 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2019-01-01 23:46:48,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:46:48,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 98 transitions. [2019-01-01 23:46:48,801 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-01 23:46:48,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-01-01 23:46:48,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-01-01 23:46:48,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-01-01 23:46:48,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-01-01 23:46:48,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:46:48,811 INFO L705 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:46:48,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-01-01 23:46:48,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-01 23:46:48,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 23:46:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-01-01 23:46:48,847 INFO L728 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:46:48,847 INFO L608 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-01 23:46:48,848 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:46:48,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-01-01 23:46:48,850 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-01-01 23:46:48,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:46:48,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:46:48,851 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:46:48,851 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:46:48,851 INFO L794 eck$LassoCheckResult]: Stem: 206#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.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; 168#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; 161#L449 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 162#L457 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 153#L910 assume 0 != main_~tmp~8; 154#L887 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; 190#L406-1 [2019-01-01 23:46:48,852 INFO L796 eck$LassoCheckResult]: Loop: 190#L406-1 assume !false; 177#L65 assume test_~splverifierCounter~0 < 4; 178#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 208#L74 assume !(0 != test_~tmp~0); 199#L74-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 166#L84 assume !(0 != test_~tmp___0~0); 163#L84-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 164#L94 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 158#L102-2 assume !(0 != ~pumpRunning~0); 181#L137 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 200#L169 assume !(0 != ~pumpRunning~0); 202#L144 havoc __utac_acc__Specification4_spec__1_#t~ret34, __utac_acc__Specification4_spec__1_#t~ret35, __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~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 196#L384 __utac_acc__Specification4_spec__1_#t~ret34 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret34;havoc __utac_acc__Specification4_spec__1_#t~ret34; 189#L406 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 190#L406-1 [2019-01-01 23:46:48,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:48,852 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:46:48,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:48,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:48,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:48,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:48,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:49,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:49,260 INFO L82 PathProgramCache]: Analyzing trace with hash -589998917, now seen corresponding path program 1 times [2019-01-01 23:46:49,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:49,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:49,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:49,262 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:46:49,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:49,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:46:49,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1013040609, now seen corresponding path program 1 times [2019-01-01 23:46:49,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:46:49,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:46:49,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:49,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:46:49,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:46:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:46:50,188 WARN L181 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-01-01 23:46:50,328 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-01 23:47:18,133 WARN L181 SmtUtils]: Spent 27.79 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:47:32,979 WARN L181 SmtUtils]: Spent 14.84 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:47:33,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:47:33 BoogieIcfgContainer [2019-01-01 23:47:33,076 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:47:33,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:47:33,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:47:33,077 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:47:33,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:46:47" (3/4) ... [2019-01-01 23:47:33,083 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:47:33,153 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:47:33,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:47:33,155 INFO L168 Benchmark]: Toolchain (without parser) took 47622.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.3 MB). Free memory was 952.7 MB in the beginning and 999.6 MB in the end (delta: -46.9 MB). Peak memory consumption was 261.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:33,157 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:47:33,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:33,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.77 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:33,160 INFO L168 Benchmark]: Boogie Preprocessor took 62.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:47:33,160 INFO L168 Benchmark]: RCFGBuilder took 1039.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:33,161 INFO L168 Benchmark]: BuchiAutomizer took 45653.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.5 MB). Free memory was 1.0 GB in the beginning and 999.6 MB in the end (delta: 49.9 MB). Peak memory consumption was 424.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:47:33,162 INFO L168 Benchmark]: Witness Printer took 77.33 ms. Allocated memory is still 1.3 GB. Free memory is still 999.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:47:33,167 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 701.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.77 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1039.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45653.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.5 MB). Free memory was 1.0 GB in the beginning and 999.6 MB in the end (delta: 49.9 MB). Peak memory consumption was 424.9 MB. Max. memory is 11.5 GB. * Witness Printer took 77.33 ms. Allocated memory is still 1.3 GB. Free memory is still 999.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 45.2s. 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: 95 SDtfs, 95 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 64]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=-7, NULL=-16, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b82f29e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45c28f93=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7241a661=71, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@759a5537=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68aeab5=0, NULL=-22, NULL=-21, methaneLevelCritical=0, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2efef42a=0, NULL=0, NULL=0, NULL=0, NULL=-19, NULL=0, NULL=-6, NULL=0, tmp___1=0, NULL=-8, NULL=0, NULL=-11, cleanupTimeShifts=4, tmp=0, NULL=-13, NULL=-14, NULL=-1, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-10, \result=1, NULL=0, NULL=-5, NULL=0, NULL=-2, NULL=0, tmp___0=0, NULL=-18, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, \result=1, NULL=-9, head=0, pumpRunning=0, NULL=-20, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d6e1f80=0, NULL=-24, NULL=0, NULL=0, tmp=1, NULL=0, NULL=-25, retValue_acc=1, NULL=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a804f7c=0, tmp=1, tmp___2=71, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=-15, tmp=0, head=0, NULL=-17, NULL=0, NULL=-4, NULL=0, NULL=0, NULL=-23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L129] int pumpRunning = 0; [L130] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L631] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L828] int cleanupTimeShifts = 4; [L901] int retValue_acc ; [L902] int tmp ; [L453] int retValue_acc ; [L456] retValue_acc = 1 [L457] return (retValue_acc); [L908] tmp = valid_product() [L910] COND TRUE \read(tmp) [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L303] systemActive = 1 [L137] COND FALSE !(\read(pumpRunning)) [L144] COND TRUE \read(systemActive) [L166] int tmp ; [L169] COND FALSE !(\read(pumpRunning)) [L399] int tmp ; [L400] int tmp___0 ; [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); [L404] tmp = getWaterLevel() [L406] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...