./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product10_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 70ea5eb10d82b903f50468d78668817b6c6916a6 .......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:18:16,956 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:18:16,958 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:18:16,972 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:18:16,973 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:18:16,974 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:18:16,976 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:18:16,982 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:18:16,985 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:18:16,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:18:16,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:18:16,987 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:18:16,988 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:18:16,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:18:16,990 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:18:16,990 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:18:16,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:18:16,994 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:18:16,996 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:18:16,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:18:16,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:18:17,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:18:17,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:18:17,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:18:17,005 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:18:17,011 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:18:17,012 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:18:17,014 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:18:17,014 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:18:17,015 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:18:17,016 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:18:17,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:18:17,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:18:17,021 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:18:17,022 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:18:17,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:18:17,023 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:18:17,049 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:18:17,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:18:17,051 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:18:17,051 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:18:17,051 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:18:17,051 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:18:17,051 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:18:17,052 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:18:17,052 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:18:17,052 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:18:17,052 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:18:17,052 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:18:17,052 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:18:17,053 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:18:17,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:18:17,054 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:18:17,054 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:18:17,054 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:18:17,054 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:18:17,054 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:18:17,055 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:18:17,055 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:18:17,055 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:18:17,055 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:18:17,055 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:18:17,055 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:18:17,055 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:18:17,057 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:18:17,058 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:18:17,058 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:18:17,058 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:18:17,060 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:18:17,061 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 -> 70ea5eb10d82b903f50468d78668817b6c6916a6 [2019-01-14 04:18:17,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:18:17,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:18:17,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:18:17,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:18:17,127 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:18:17,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:17,185 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b589a3fd5/901f0887694a440e85ca209ea349d182/FLAG4bbe471d1 [2019-01-14 04:18:17,711 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:18:17,712 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:17,725 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b589a3fd5/901f0887694a440e85ca209ea349d182/FLAG4bbe471d1 [2019-01-14 04:18:18,011 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b589a3fd5/901f0887694a440e85ca209ea349d182 [2019-01-14 04:18:18,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:18:18,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:18:18,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:18:18,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:18:18,023 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:18:18,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199daf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18, skipping insertion in model container [2019-01-14 04:18:18,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:18:18,093 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:18:18,407 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:18:18,438 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:18:18,596 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:18:18,717 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:18:18,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18 WrapperNode [2019-01-14 04:18:18,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:18:18,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:18:18,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:18:18,719 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:18:18,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:18:18,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:18:18,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:18:18,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:18:18,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... [2019-01-14 04:18:18,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:18:18,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:18:18,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:18:18,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:18:18,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:18:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:18:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:18:18,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:18:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:18:19,862 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:18:19,863 INFO L286 CfgBuilder]: Removed 70 assue(true) statements. [2019-01-14 04:18:19,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:19 BoogieIcfgContainer [2019-01-14 04:18:19,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:18:19,866 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:18:19,866 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:18:19,870 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:18:19,871 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:19,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:18:18" (1/3) ... [2019-01-14 04:18:19,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19174a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:18:19, skipping insertion in model container [2019-01-14 04:18:19,872 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:19,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:18" (2/3) ... [2019-01-14 04:18:19,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19174a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:18:19, skipping insertion in model container [2019-01-14 04:18:19,874 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:19,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:19" (3/3) ... [2019-01-14 04:18:19,876 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:19,934 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:18:19,935 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:18:19,935 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:18:19,935 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:18:19,936 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:18:19,936 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:18:19,936 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:18:19,936 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:18:19,937 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:18:19,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2019-01-14 04:18:19,983 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-14 04:18:19,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:19,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:19,991 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:19,991 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:19,992 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:18:19,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2019-01-14 04:18:19,996 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-01-14 04:18:19,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:19,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:19,998 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:19,998 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:20,004 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 14#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; 5#L526true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 32#L534true main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 60#L869true assume 0 != main_~tmp~6; 30#L845true ~methAndRunningLastTime~0 := 0; 21#L753true havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L764-1true [2019-01-14 04:18:20,005 INFO L796 eck$LassoCheckResult]: Loop: 23#L764-1true assume !false; 35#L553true assume test_~splverifierCounter~0 < 4; 53#L554true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 56#L562true assume !(0 != test_~tmp~3); 59#L562-1true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 48#L572true assume !(0 != test_~tmp___0~0); 49#L572-1true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 42#L582true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 44#L590-2true assume !(0 != ~pumpRunning~0); 8#L621true assume 0 != ~systemActive~0; 54#L628true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 22#L98true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 19#L764true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 23#L764-1true [2019-01-14 04:18:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:20,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:18:20,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:20,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:20,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:20,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:20,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:20,633 INFO L82 PathProgramCache]: Analyzing trace with hash 2663790, now seen corresponding path program 1 times [2019-01-14 04:18:20,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:20,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:20,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:20,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:20,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:20,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:20,652 INFO L82 PathProgramCache]: Analyzing trace with hash 835960296, now seen corresponding path program 1 times [2019-01-14 04:18:20,652 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:20,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:20,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:20,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:20,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:21,255 WARN L181 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-01-14 04:18:21,466 WARN L181 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:18:46,013 WARN L181 SmtUtils]: Spent 24.53 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:18:57,236 WARN L181 SmtUtils]: Spent 11.21 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:18:57,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:18:57 BoogieIcfgContainer [2019-01-14 04:18:57,321 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:18:57,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:18:57,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:18:57,323 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:18:57,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:19" (3/4) ... [2019-01-14 04:18:57,334 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:18:57,414 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:18:57,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:18:57,415 INFO L168 Benchmark]: Toolchain (without parser) took 39398.05 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.2 MB). Free memory was 954.0 MB in the beginning and 1.2 GB in the end (delta: -208.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:57,417 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:18:57,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:57,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:57,419 INFO L168 Benchmark]: Boogie Preprocessor took 37.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:18:57,419 INFO L168 Benchmark]: RCFGBuilder took 1046.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:57,421 INFO L168 Benchmark]: BuchiAutomizer took 37455.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.5 MB). Peak memory consumption was 418.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:57,422 INFO L168 Benchmark]: Witness Printer took 92.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:57,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 699.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.86 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 1046.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37455.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -109.5 MB). Peak memory consumption was 418.1 MB. Max. memory is 11.5 GB. * Witness Printer took 92.57 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 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 37.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 37.2s. 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: 552]: 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, retValue_acc=0, NULL=-12, NULL=-11, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@514ee036=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@427c8387=60, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a3ea1f7=0, NULL=-15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12c57679=0, NULL=0, NULL=-6, NULL=-10, NULL=0, retValue_acc=0, methaneLevelCritical=0, NULL=-23, tmp=0, NULL=0, NULL=-20, NULL=-9, NULL=0, tmp___1=0, NULL=-17, NULL=-24, NULL=-1, cleanupTimeShifts=4, NULL=-16, NULL=-19, NULL=-4, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-2, \result=0, NULL=0, tmp=1, retValue_acc=1, NULL=-14, NULL=-22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6124565b=0, NULL=-18, tmp___2=60, tmp___0=0, NULL=-3, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-8, NULL=-5, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ce5f18f=0, NULL=0, NULL=-21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71178e35=0, NULL=0, NULL=0, NULL=-25, NULL=0, NULL=-7, tmp=0, NULL=-13} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L55] int waterLevel = 1; [L56] int methaneLevelCritical = 0; [L304] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L747] int methAndRunningLastTime ; [L786] int cleanupTimeShifts = 4; [L860] int retValue_acc ; [L861] int tmp ; [L530] int retValue_acc ; [L533] retValue_acc = 1 [L534] return (retValue_acc); [L867] tmp = valid_product() [L869] COND TRUE \read(tmp) [L752] methAndRunningLastTime = 0 [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 Loop: [L552] COND TRUE 1 [L554] COND TRUE splverifierCounter < 4 [L560] tmp = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp)) [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___2) [L742] systemActive = 1 [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L757] int tmp ; [L758] int tmp___0 ; [L94] int retValue_acc ; [L97] retValue_acc = methaneLevelCritical [L98] return (retValue_acc); [L762] tmp = isMethaneLevelCritical() [L764] COND FALSE !(\read(tmp)) [L780] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...