./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/product-lines/minepump_spec4_product09.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 51c3bbda42df3e7a563a36af727e140b310abe72 ..................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 22:29:00,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:29:00,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:29:00,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:29:00,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:29:00,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:29:00,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:29:00,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:29:00,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:29:00,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:29:00,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:29:00,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:29:00,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:29:00,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:29:00,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:29:00,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:29:00,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:29:00,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:29:00,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:29:00,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:29:00,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:29:00,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:29:00,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:29:00,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:29:00,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:29:00,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:29:00,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:29:00,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:29:00,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:29:00,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:29:00,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:29:00,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:29:00,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:29:00,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:29:00,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:29:00,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:29:00,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:29:00,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:29:00,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:29:00,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:29:00,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:29:00,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:29:00,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:29:00,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:29:00,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:29:00,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:29:00,721 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:29:00,721 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:29:00,721 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:29:00,722 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:29:00,722 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:29:00,722 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:29:00,722 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:29:00,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:29:00,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:29:00,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:29:00,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:29:00,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:29:00,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:29:00,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:29:00,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:29:00,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:29:00,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:29:00,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:29:00,725 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:29:00,725 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:29:00,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:29:00,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:29:00,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:29:00,726 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:29:00,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:29:00,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:29:00,727 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:29:00,728 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:29:00,728 INFO L138 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 -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2019-11-19 22:29:01,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:29:01,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:29:01,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:29:01,050 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:29:01,051 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:29:01,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-11-19 22:29:01,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6e49184/d3b3d902c5a34caa9ca61d138b738185/FLAGbf4a071ed [2019-11-19 22:29:01,631 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:29:01,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-11-19 22:29:01,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6e49184/d3b3d902c5a34caa9ca61d138b738185/FLAGbf4a071ed [2019-11-19 22:29:01,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6e49184/d3b3d902c5a34caa9ca61d138b738185 [2019-11-19 22:29:01,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:29:01,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:29:01,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:29:01,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:29:01,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:29:01,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:29:01" (1/1) ... [2019-11-19 22:29:01,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224ac61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:01, skipping insertion in model container [2019-11-19 22:29:01,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:29:01" (1/1) ... [2019-11-19 22:29:01,989 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:29:02,043 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:29:02,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:29:02,431 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:29:02,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:29:02,584 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:29:02,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02 WrapperNode [2019-11-19 22:29:02,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:29:02,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:29:02,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:29:02,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:29:02,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:29:02,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:29:02,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:29:02,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:29:02,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (1/1) ... [2019-11-19 22:29:02,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:29:02,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:29:02,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:29:02,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:29:02,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (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 [2019-11-19 22:29:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:29:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:29:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:29:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:29:03,423 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:29:03,423 INFO L285 CfgBuilder]: Removed 66 assume(true) statements. [2019-11-19 22:29:03,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:03 BoogieIcfgContainer [2019-11-19 22:29:03,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:29:03,426 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:29:03,426 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:29:03,430 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:29:03,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:03,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:29:01" (1/3) ... [2019-11-19 22:29:03,432 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dea118f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:29:03, skipping insertion in model container [2019-11-19 22:29:03,433 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:03,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:02" (2/3) ... [2019-11-19 22:29:03,433 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dea118f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:29:03, skipping insertion in model container [2019-11-19 22:29:03,433 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:03,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:03" (3/3) ... [2019-11-19 22:29:03,435 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2019-11-19 22:29:03,488 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:29:03,488 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:29:03,488 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:29:03,489 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:29:03,489 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:29:03,489 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:29:03,489 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:29:03,489 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:29:03,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-11-19 22:29:03,537 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-19 22:29:03,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:29:03,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:29:03,547 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:29:03,547 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:03,547 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:29:03,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-11-19 22:29:03,556 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-19 22:29:03,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:29:03,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:29:03,558 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:29:03,558 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:03,563 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 3#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 50#L748true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 55#L756true main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 51#L843true assume 0 != main_~tmp~6; 18#L820true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L425-1true [2019-11-19 22:29:03,563 INFO L796 eck$LassoCheckResult]: Loop: 23#L425-1true assume !false; 6#L541true assume test_~splverifierCounter~0 < 4; 21#L542true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 45#L550true assume !(0 != test_~tmp~4); 47#L550-1true test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 29#L560true assume !(0 != test_~tmp___0~1); 32#L560-1true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 9#L570true assume 0 != test_~tmp___2~0; 40#L576-2true assume !(0 != ~pumpRunning~0); 42#L605true assume 0 != ~systemActive~0; 33#L612true havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;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; 15#L523true __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 19#L425true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 23#L425-1true [2019-11-19 22:29:03,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:03,570 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 22:29:03,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:03,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568617413] [2019-11-19 22:29:03,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:03,925 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:03,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:03,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2019-11-19 22:29:03,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:03,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221509594] [2019-11-19 22:29:03,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:03,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:03,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:03,964 INFO L82 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2019-11-19 22:29:03,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:03,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808852815] [2019-11-19 22:29:03,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:04,123 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:29,063 WARN L191 SmtUtils]: Spent 24.82 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-19 22:29:43,240 WARN L191 SmtUtils]: Spent 14.18 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-19 22:29:43,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:29:43 BoogieIcfgContainer [2019-11-19 22:29:43,320 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:29:43,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:29:43,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:29:43,321 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:29:43,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:03" (3/4) ... [2019-11-19 22:29:43,325 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:29:43,376 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:29:43,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:29:43,379 INFO L168 Benchmark]: Toolchain (without parser) took 41404.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.2 MB). Free memory was 957.7 MB in the beginning and 1.3 GB in the end (delta: -332.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:29:43,379 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:29:43,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:29:43,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.66 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:29:43,381 INFO L168 Benchmark]: Boogie Preprocessor took 38.05 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. [2019-11-19 22:29:43,382 INFO L168 Benchmark]: RCFGBuilder took 736.97 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: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:29:43,383 INFO L168 Benchmark]: BuchiAutomizer took 39894.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -215.7 MB). Peak memory consumption was 380.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:29:43,383 INFO L168 Benchmark]: Witness Printer took 56.46 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:29:43,387 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 608.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.66 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.05 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 736.97 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: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39894.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -215.7 MB). Peak memory consumption was 380.8 MB. Max. memory is 11.5 GB. * Witness Printer took 56.46 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 39.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 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: 540]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7881} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=7881, NULL=32666, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60c2afd9=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a383565=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c50fb3=0, NULL=0, NULL=32679, NULL=0, retValue_acc=0, NULL=7884, NULL=32668, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2312f93d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e556031=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d6c1bd4=0, tmp=0, NULL=0, NULL=0, NULL=15128, tmp___1=0, NULL=32671, NULL=27342, NULL=32678, tmp___0=0, NULL=32673, cleanupTimeShifts=4, NULL=32669, NULL=25051, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=32680, NULL=7882, NULL=0, NULL=32676, NULL=0, NULL=0, \result=1, NULL=32677, head=0, pumpRunning=0, \result=0, NULL=23908, NULL=0, NULL=7883, NULL=0, tmp=1, NULL=32675, retValue_acc=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d8f49ce=0, tmp___2=54, retValue_acc=1, NULL=32674, tmp___0=0, splverifierCounter=0, head=0, NULL=0, NULL=25052, NULL=32667, NULL=0, NULL=32670, NULL=0, NULL=0, NULL=32672, NULL=32684, NULL=32681} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L761] int cleanupTimeShifts = 4; [L834] int retValue_acc ; [L835] int tmp ; [L752] int retValue_acc ; [L755] retValue_acc = 1 [L756] return (retValue_acc); [L841] tmp = valid_product() [L843] COND TRUE \read(tmp) [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND TRUE \read(tmp___2) [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L418] int tmp ; [L419] int tmp___0 ; [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); [L423] tmp = getWaterLevel() [L425] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...