./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product22_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_spec2_product22_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 40fed9ba382e53b697a1093810870166e2d037a9 ................................................................................................................................................................................................................................................................................................................................................................ 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 23:38:12,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:38:12,948 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:38:12,965 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:38:12,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:38:12,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:38:12,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:38:12,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:38:12,976 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:38:12,978 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:38:12,980 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:38:12,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:38:12,982 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:38:12,985 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:38:12,991 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:38:12,993 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:38:12,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:38:12,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:38:13,003 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:38:13,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:38:13,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:38:13,011 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:38:13,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:38:13,017 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:38:13,017 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:38:13,018 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:38:13,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:38:13,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:38:13,022 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:38:13,023 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:38:13,023 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:38:13,024 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:38:13,024 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:38:13,024 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:38:13,027 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:38:13,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:38:13,028 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:38:13,056 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:38:13,056 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:38:13,058 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:38:13,058 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:38:13,058 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:38:13,059 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:38:13,059 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:38:13,059 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:38:13,059 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:38:13,059 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:38:13,059 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:38:13,061 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:38:13,061 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:38:13,061 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:38:13,061 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:38:13,062 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:38:13,062 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:38:13,062 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:38:13,062 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:38:13,062 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:38:13,062 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:38:13,063 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:38:13,064 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:38:13,064 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:38:13,064 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:38:13,064 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:38:13,064 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:38:13,065 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:38:13,065 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:38:13,065 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:38:13,065 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:38:13,066 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:38:13,066 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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2019-01-01 23:38:13,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:38:13,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:38:13,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:38:13,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:38:13,126 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:38:13,127 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2019-01-01 23:38:13,184 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af72e9e4/9882a7aba113485fbffe592b5b7aacc1/FLAGeffb212e2 [2019-01-01 23:38:13,679 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:38:13,680 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2019-01-01 23:38:13,695 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af72e9e4/9882a7aba113485fbffe592b5b7aacc1/FLAGeffb212e2 [2019-01-01 23:38:13,987 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af72e9e4/9882a7aba113485fbffe592b5b7aacc1 [2019-01-01 23:38:13,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:38:13,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:38:13,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:38:13,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:38:13,998 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:38:13,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:38:13" (1/1) ... [2019-01-01 23:38:14,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22099427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14, skipping insertion in model container [2019-01-01 23:38:14,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:38:13" (1/1) ... [2019-01-01 23:38:14,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:38:14,062 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:38:14,502 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:38:14,525 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:38:14,612 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:38:14,735 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:38:14,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14 WrapperNode [2019-01-01 23:38:14,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:38:14,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:38:14,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:38:14,740 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:38:14,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:38:14,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:38:14,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:38:14,843 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:38:14,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (1/1) ... [2019-01-01 23:38:14,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:38:14,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:38:14,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:38:14,919 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:38:14,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (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 23:38:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:38:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:38:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:38:14,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:38:16,330 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:38:16,330 INFO L280 CfgBuilder]: Removed 160 assue(true) statements. [2019-01-01 23:38:16,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:38:16 BoogieIcfgContainer [2019-01-01 23:38:16,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:38:16,332 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:38:16,332 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:38:16,336 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:38:16,337 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:38:16,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:38:13" (1/3) ... [2019-01-01 23:38:16,339 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e3446ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:38:16, skipping insertion in model container [2019-01-01 23:38:16,339 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:38:16,339 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:38:14" (2/3) ... [2019-01-01 23:38:16,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e3446ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:38:16, skipping insertion in model container [2019-01-01 23:38:16,341 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:38:16,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:38:16" (3/3) ... [2019-01-01 23:38:16,343 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2019-01-01 23:38:16,401 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:38:16,401 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:38:16,401 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:38:16,402 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:38:16,402 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:38:16,402 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:38:16,402 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:38:16,402 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:38:16,402 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:38:16,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-01-01 23:38:16,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-01 23:38:16,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:38:16,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:38:16,463 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:38:16,463 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:38:16,463 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:38:16,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-01-01 23:38:16,471 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-01-01 23:38:16,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:38:16,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:38:16,473 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:38:16,474 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:38:16,479 INFO L794 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(110, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(102, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(102, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 3 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(80, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(117, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(109, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(112, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(32, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string54.base, #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 1 + #t~string54.offset, 1);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 38#L934true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 41#L942true main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 82#L498true assume 0 != main_~tmp~3; 34#L469true ~methAndRunningLastTime~0 := 0; 7#L789true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 9#L800-1true [2019-01-01 23:38:16,480 INFO L796 eck$LassoCheckResult]: Loop: 9#L800-1true assume !false; 89#L718true assume test_~splverifierCounter~0 < 4; 53#L719true test_~tmp~7 := test_#t~nondet56;havoc test_#t~nondet56; 58#L727true assume !(0 != test_~tmp~7); 60#L727-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 99#L737true assume !(0 != test_~tmp___0~1); 100#L737-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 33#L747true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 37#L755-2true assume !(0 != ~pumpRunning~0); 97#L528true assume !(0 != ~systemActive~0); 30#L535true havoc __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 4#L866-1true __utac_acc__Specification2_spec__2_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret60;havoc __utac_acc__Specification2_spec__2_#t~ret60; 6#L800true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 9#L800-1true [2019-01-01 23:38:16,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:38:16,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-01 23:38:16,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:38:16,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:38:16,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:16,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:38:16,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:38:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:38:17,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:38:17,289 INFO L82 PathProgramCache]: Analyzing trace with hash 4938827, now seen corresponding path program 1 times [2019-01-01 23:38:17,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:38:17,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:38:17,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:17,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:38:17,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:38:17,358 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 23:38:17,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:38:17,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:38:17,366 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:38:17,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:38:17,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:38:17,390 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states. [2019-01-01 23:38:17,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:38:17,507 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2019-01-01 23:38:17,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:38:17,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 150 transitions. [2019-01-01 23:38:17,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-01-01 23:38:17,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2019-01-01 23:38:17,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2019-01-01 23:38:17,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2019-01-01 23:38:17,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2019-01-01 23:38:17,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:38:17,545 INFO L705 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-01 23:38:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2019-01-01 23:38:17,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-01-01 23:38:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-01-01 23:38:17,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2019-01-01 23:38:17,595 INFO L728 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-01 23:38:17,595 INFO L608 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-01-01 23:38:17,595 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:38:17,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2019-01-01 23:38:17,603 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-01-01 23:38:17,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:38:17,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:38:17,605 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:38:17,605 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:38:17,606 INFO L794 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(110, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(102, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(102, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 3 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(80, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(117, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(109, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(112, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(32, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string54.base, #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 1 + #t~string54.offset, 1);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 233#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 234#L934 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 273#L942 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 278#L498 assume 0 != main_~tmp~3; 269#L469 ~methAndRunningLastTime~0 := 0; 229#L789 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 228#L800-1 [2019-01-01 23:38:17,606 INFO L796 eck$LassoCheckResult]: Loop: 228#L800-1 assume !false; 230#L718 assume test_~splverifierCounter~0 < 4; 294#L719 test_~tmp~7 := test_#t~nondet56;havoc test_#t~nondet56; 295#L727 assume !(0 != test_~tmp~7); 236#L727-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 299#L737 assume !(0 != test_~tmp___0~1); 317#L737-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 266#L747 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 268#L755-2 assume !(0 != ~pumpRunning~0); 271#L528 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 318#L586 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 262#L560-1 assume !(0 != ~pumpRunning~0); 260#L535 havoc __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 223#L866-1 __utac_acc__Specification2_spec__2_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret60;havoc __utac_acc__Specification2_spec__2_#t~ret60; 224#L800 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 228#L800-1 [2019-01-01 23:38:17,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:38:17,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-01 23:38:17,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:38:17,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:38:17,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:17,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:38:17,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:38:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:38:18,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:38:18,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1698133379, now seen corresponding path program 1 times [2019-01-01 23:38:18,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:38:18,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:38:18,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:18,007 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:38:18,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:38:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:38:18,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:38:18,028 INFO L82 PathProgramCache]: Analyzing trace with hash 235891831, now seen corresponding path program 1 times [2019-01-01 23:38:18,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:38:18,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:38:18,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:18,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:38:18,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:38:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:38:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:38:18,824 WARN L181 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-01-01 23:38:18,930 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-01 23:38:48,912 WARN L181 SmtUtils]: Spent 29.94 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-01 23:39:04,120 WARN L181 SmtUtils]: Spent 15.20 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-01 23:39:04,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:39:04 BoogieIcfgContainer [2019-01-01 23:39:04,219 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:39:04,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:39:04,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:39:04,221 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:39:04,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:38:16" (3/4) ... [2019-01-01 23:39:04,228 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:39:04,328 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:39:04,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:39:04,332 INFO L168 Benchmark]: Toolchain (without parser) took 50339.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 245.4 MB). Free memory was 951.4 MB in the beginning and 952.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:39:04,335 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:39:04,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:39:04,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:39:04,337 INFO L168 Benchmark]: Boogie Preprocessor took 75.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:39:04,337 INFO L168 Benchmark]: RCFGBuilder took 1412.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.8 MB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:39:04,338 INFO L168 Benchmark]: BuchiAutomizer took 47887.53 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 998.8 MB in the beginning and 955.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 423.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:39:04,341 INFO L168 Benchmark]: Witness Printer took 110.59 ms. Allocated memory is still 1.3 GB. Free memory was 955.8 MB in the beginning and 952.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:39:04,352 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 744.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1412.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.8 MB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 47887.53 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 998.8 MB in the beginning and 955.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 423.9 MB. Max. memory is 11.5 GB. * Witness Printer took 110.59 ms. Allocated memory is still 1.3 GB. Free memory was 955.8 MB in the beginning and 952.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 47.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 47.4s. 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 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 147 SDtfs, 147 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: 717]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=75} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=75, NULL=-1, NULL=0, retValue_acc=0, NULL=-21, NULL=0, NULL=-17, NULL=0, methaneLevelCritical=0, retValue_acc=1, NULL=0, NULL=0, tmp=0, tmp=0, NULL=0, tmp___1=0, NULL=-8, NULL=-11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ffaa6d0=0, NULL=-20, NULL=-6, cleanupTimeShifts=4, NULL=-12, NULL=-7, NULL=-15, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-24, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ea44abf=0, retValue_acc=0, NULL=74, NULL=0, NULL=0, NULL=0, \result=1, NULL=-23, head=0, pumpRunning=0, \result=0, NULL=-16, NULL=-2, tmp=1, NULL=0, NULL=0, NULL=-13, NULL=-19, NULL=-3, NULL=0, tmp___2=59, NULL=-9, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ffea33e=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@327b3c95=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77bbed6d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@546ba812=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b93cd63=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@712d855f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60145be8=0, head=0, NULL=0, tmp=0, NULL=-22, NULL=-10, NULL=0, NULL=-5, NULL=0, NULL=0, NULL=-14, NULL=-4, NULL=0, NULL=-18, tmp=0} - 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; [L406] int cleanupTimeShifts = 4; [L520] int pumpRunning = 0; [L521] int systemActive = 1; [L783] int methAndRunningLastTime ; [L823] int waterLevel = 1; [L824] int methaneLevelCritical = 0; [L489] int retValue_acc ; [L490] int tmp ; [L938] int retValue_acc ; [L941] retValue_acc = 1 [L942] return (retValue_acc); [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) [L788] methAndRunningLastTime = 0 [L708] int splverifierCounter ; [L709] int tmp ; [L710] int tmp___0 ; [L711] int tmp___1 ; [L712] int tmp___2 ; [L715] splverifierCounter = 0 Loop: [L717] COND TRUE 1 [L719] COND TRUE splverifierCounter < 4 [L725] tmp = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp)) [L735] tmp___0 = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp___0)) [L745] tmp___2 = __VERIFIER_nondet_int() [L747] COND TRUE \read(tmp___2) [L702] systemActive = 1 [L528] COND FALSE !(\read(pumpRunning)) [L535] COND TRUE \read(systemActive) [L583] int tmp ; [L586] COND FALSE !(\read(pumpRunning)) [L557] int tmp ; [L560] COND FALSE !(\read(pumpRunning)) [L793] int tmp ; [L794] int tmp___0 ; [L862] int retValue_acc ; [L865] retValue_acc = methaneLevelCritical [L866] return (retValue_acc); [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...