./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 678e0110
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product39.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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc
......................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.1.24-678e011
[2019-11-19 22:28:02,361 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-11-19 22:28:02,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-19 22:28:02,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-19 22:28:02,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-19 22:28:02,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-19 22:28:02,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-19 22:28:02,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-19 22:28:02,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-19 22:28:02,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-19 22:28:02,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-11-19 22:28:02,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-19 22:28:02,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-19 22:28:02,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-19 22:28:02,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-19 22:28:02,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-19 22:28:02,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-19 22:28:02,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-19 22:28:02,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-19 22:28:02,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-19 22:28:02,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-19 22:28:02,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-19 22:28:02,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-11-19 22:28:02,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-19 22:28:02,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-19 22:28:02,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-19 22:28:02,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-19 22:28:02,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-19 22:28:02,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-19 22:28:02,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-19 22:28:02,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-19 22:28:02,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-19 22:28:02,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-19 22:28:02,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-19 22:28:02,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-19 22:28:02,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-19 22:28:02,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-19 22:28:02,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-19 22:28:02,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-19 22:28:02,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-19 22:28:02,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-11-19 22:28:02,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf
[2019-11-19 22:28:02,457 INFO L113 SettingsManager]: Loading preferences was successful
[2019-11-19 22:28:02,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-19 22:28:02,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-19 22:28:02,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-11-19 22:28:02,459 INFO L138 SettingsManager]: * Use SBE=true
[2019-11-19 22:28:02,459 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2019-11-19 22:28:02,459 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2019-11-19 22:28:02,460 INFO L138 SettingsManager]: * Use old map elimination=false
[2019-11-19 22:28:02,460 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2019-11-19 22:28:02,460 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2019-11-19 22:28:02,460 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2019-11-19 22:28:02,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-19 22:28:02,461 INFO L138 SettingsManager]: * sizeof long=4
[2019-11-19 22:28:02,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2019-11-19 22:28:02,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-11-19 22:28:02,461 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-11-19 22:28:02,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-11-19 22:28:02,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2019-11-19 22:28:02,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2019-11-19 22:28:02,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2019-11-19 22:28:02,463 INFO L138 SettingsManager]: * sizeof long double=12
[2019-11-19 22:28:02,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-11-19 22:28:02,463 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2019-11-19 22:28:02,463 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-11-19 22:28:02,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2019-11-19 22:28:02,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-19 22:28:02,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-11-19 22:28:02,464 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump
[2019-11-19 22:28:02,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-19 22:28:02,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-11-19 22:28:02,465 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto
[2019-11-19 22:28:02,466 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2019-11-19 22:28:02,466 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc
[2019-11-19 22:28:02,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-19 22:28:02,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-19 22:28:02,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-19 22:28:02,806 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-11-19 22:28:02,806 INFO L275 PluginConnector]: CDTParser initialized
[2019-11-19 22:28:02,807 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c
[2019-11-19 22:28:02,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf2d0b74/c4925f1337e44f81b0fa7d1f933b7fd9/FLAGf02b78a4c
[2019-11-19 22:28:03,453 INFO L306 CDTParser]: Found 1 translation units.
[2019-11-19 22:28:03,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c
[2019-11-19 22:28:03,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf2d0b74/c4925f1337e44f81b0fa7d1f933b7fd9/FLAGf02b78a4c
[2019-11-19 22:28:03,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf2d0b74/c4925f1337e44f81b0fa7d1f933b7fd9
[2019-11-19 22:28:03,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-19 22:28:03,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2019-11-19 22:28:03,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-19 22:28:03,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-19 22:28:03,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-19 22:28:03,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:28:03" (1/1) ...
[2019-11-19 22:28:03,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a124976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03, skipping insertion in model container
[2019-11-19 22:28:03,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:28:03" (1/1) ...
[2019-11-19 22:28:03,750 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-11-19 22:28:03,818 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-11-19 22:28:04,253 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-19 22:28:04,268 INFO L188 MainTranslator]: Completed pre-run
[2019-11-19 22:28:04,349 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-19 22:28:04,390 INFO L192 MainTranslator]: Completed translation
[2019-11-19 22:28:04,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04 WrapperNode
[2019-11-19 22:28:04,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-19 22:28:04,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-19 22:28:04,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-19 22:28:04,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-19 22:28:04,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-19 22:28:04,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-19 22:28:04,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-19 22:28:04,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-11-19 22:28:04,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
[2019-11-19 22:28:04,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-19 22:28:04,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-19 22:28:04,521 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-11-19 22:28:04,521 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-11-19 22:28:04,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2019-11-19 22:28:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-19 22:28:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-19 22:28:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-19 22:28:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-19 22:28:05,420 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-19 22:28:05,421 INFO L285 CfgBuilder]: Removed 162 assume(true) statements.
[2019-11-19 22:28:05,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:05 BoogieIcfgContainer
[2019-11-19 22:28:05,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-19 22:28:05,423 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2019-11-19 22:28:05,423 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2019-11-19 22:28:05,427 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2019-11-19 22:28:05,428 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2019-11-19 22:28:05,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:28:03" (1/3) ...
[2019-11-19 22:28:05,430 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ecc6c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:28:05, skipping insertion in model container
[2019-11-19 22:28:05,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2019-11-19 22:28:05,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:04" (2/3) ...
[2019-11-19 22:28:05,431 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ecc6c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:28:05, skipping insertion in model container
[2019-11-19 22:28:05,432 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2019-11-19 22:28:05,432 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:05" (3/3) ...
[2019-11-19 22:28:05,434 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product39.cil.c
[2019-11-19 22:28:05,477 INFO L356 BuchiCegarLoop]: Interprodecural is true
[2019-11-19 22:28:05,477 INFO L357 BuchiCegarLoop]: Hoare is false
[2019-11-19 22:28:05,477 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2019-11-19 22:28:05,478 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-19 22:28:05,478 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-19 22:28:05,478 INFO L361 BuchiCegarLoop]: Difference is false
[2019-11-19 22:28:05,479 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-19 22:28:05,479 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2019-11-19 22:28:05,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states.
[2019-11-19 22:28:05,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73
[2019-11-19 22:28:05,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:05,525 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:05,533 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:05,533 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:05,533 INFO L424 BuchiCegarLoop]: ======== Iteration 1============
[2019-11-19 22:28:05,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states.
[2019-11-19 22:28:05,541 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73
[2019-11-19 22:28:05,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:05,542 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:05,543 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:05,543 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:05,549 INFO L794 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 5#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 102#L580true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 4#L588true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 84#L231true assume 0 != main_~tmp~0; 37#L202true ~methAndRunningLastTime~0 := 0; 86#L253true havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 85#L264-1true
[2019-11-19 22:28:05,550 INFO L796 eck$LassoCheckResult]: Loop: 85#L264-1true assume !false; 6#L307true assume test_~splverifierCounter~0 < 4; 88#L308true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 97#L316true assume !(0 != test_~tmp~2); 99#L316-1true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 21#L326true assume !(0 != test_~tmp___0~1); 23#L326-1true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 77#L336true assume 0 != test_~tmp___2~0; 57#L342-1true assume !(0 != ~pumpRunning~0); 60#L372true assume !(0 != ~systemActive~0); 113#L379true havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 116#L90-1true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 87#L264true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 85#L264-1true
[2019-11-19 22:28:05,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:05,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times
[2019-11-19 22:28:05,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:05,567 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759344953]
[2019-11-19 22:28:05,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:05,921 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:05,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:05,922 INFO L82 PathProgramCache]: Analyzing trace with hash 12881107, now seen corresponding path program 1 times
[2019-11-19 22:28:05,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:05,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479191223]
[2019-11-19 22:28:05,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:05,941 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:05,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:05,943 INFO L82 PathProgramCache]: Analyzing trace with hash 846177613, now seen corresponding path program 1 times
[2019-11-19 22:28:05,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:05,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093239153]
[2019-11-19 22:28:05,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:28:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:28:06,106 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093239153]
[2019-11-19 22:28:06,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:28:06,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-19 22:28:06,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467748632]
[2019-11-19 22:28:06,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:28:06,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-11-19 22:28:06,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2019-11-19 22:28:06,253 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 6 states.
[2019-11-19 22:28:06,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:28:06,499 INFO L93 Difference]: Finished difference Result 274 states and 397 transitions.
[2019-11-19 22:28:06,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-11-19 22:28:06,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 397 transitions.
[2019-11-19 22:28:06,513 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 175
[2019-11-19 22:28:06,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 253 states and 376 transitions.
[2019-11-19 22:28:06,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 253
[2019-11-19 22:28:06,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 253
[2019-11-19 22:28:06,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 376 transitions.
[2019-11-19 22:28:06,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2019-11-19 22:28:06,540 INFO L688 BuchiCegarLoop]: Abstraction has 253 states and 376 transitions.
[2019-11-19 22:28:06,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states and 376 transitions.
[2019-11-19 22:28:06,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 151.
[2019-11-19 22:28:06,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states.
[2019-11-19 22:28:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 223 transitions.
[2019-11-19 22:28:06,620 INFO L711 BuchiCegarLoop]: Abstraction has 151 states and 223 transitions.
[2019-11-19 22:28:06,620 INFO L591 BuchiCegarLoop]: Abstraction has 151 states and 223 transitions.
[2019-11-19 22:28:06,620 INFO L424 BuchiCegarLoop]: ======== Iteration 2============
[2019-11-19 22:28:06,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 223 transitions.
[2019-11-19 22:28:06,628 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104
[2019-11-19 22:28:06,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:06,629 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:06,630 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:06,631 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:06,631 INFO L794 eck$LassoCheckResult]: Stem: 506#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 410#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 411#L580 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 408#L588 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 409#L231 assume 0 != main_~tmp~0; 464#L202 ~methAndRunningLastTime~0 := 0; 465#L253 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 468#L264-1
[2019-11-19 22:28:06,632 INFO L796 eck$LassoCheckResult]: Loop: 468#L264-1 assume !false; 412#L307 assume test_~splverifierCounter~0 < 4; 413#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 505#L316 assume !(0 != test_~tmp~2); 415#L316-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 440#L326 assume !(0 != test_~tmp___0~1); 442#L326-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 443#L336 assume 0 != test_~tmp___2~0; 487#L342-1 assume !(0 != ~pumpRunning~0); 490#L372 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 474#L430 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 476#L404-1 assume !(0 == ~pumpRunning~0); 479#L379 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 513#L90-1 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 504#L264 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 468#L264-1
[2019-11-19 22:28:06,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:06,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times
[2019-11-19 22:28:06,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:06,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987746412]
[2019-11-19 22:28:06,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:06,793 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:06,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:06,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1348521866, now seen corresponding path program 1 times
[2019-11-19 22:28:06,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:06,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537361350]
[2019-11-19 22:28:06,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:28:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-11-19 22:28:06,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537361350]
[2019-11-19 22:28:06,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:28:06,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-19 22:28:06,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694810068]
[2019-11-19 22:28:06,832 INFO L811 eck$LassoCheckResult]: loop already infeasible
[2019-11-19 22:28:06,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:28:06,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-19 22:28:06,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:28:06,834 INFO L87 Difference]: Start difference. First operand 151 states and 223 transitions. cyclomatic complexity: 75 Second operand 3 states.
[2019-11-19 22:28:06,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:28:06,966 INFO L93 Difference]: Finished difference Result 193 states and 269 transitions.
[2019-11-19 22:28:06,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-11-19 22:28:06,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 193 states and 269 transitions.
[2019-11-19 22:28:06,970 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136
[2019-11-19 22:28:06,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 193 states to 193 states and 269 transitions.
[2019-11-19 22:28:06,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 193
[2019-11-19 22:28:06,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 193
[2019-11-19 22:28:06,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 193 states and 269 transitions.
[2019-11-19 22:28:06,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2019-11-19 22:28:06,975 INFO L688 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions.
[2019-11-19 22:28:06,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states and 269 transitions.
[2019-11-19 22:28:06,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193.
[2019-11-19 22:28:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states.
[2019-11-19 22:28:06,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions.
[2019-11-19 22:28:06,986 INFO L711 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions.
[2019-11-19 22:28:06,986 INFO L591 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions.
[2019-11-19 22:28:06,986 INFO L424 BuchiCegarLoop]: ======== Iteration 3============
[2019-11-19 22:28:06,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 269 transitions.
[2019-11-19 22:28:06,988 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136
[2019-11-19 22:28:06,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:06,989 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:06,990 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:06,990 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:06,990 INFO L794 eck$LassoCheckResult]: Stem: 863#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~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);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 760#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 761#L580 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 758#L588 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 759#L231 assume 0 != main_~tmp~0; 815#L202 ~methAndRunningLastTime~0 := 0; 816#L253 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 820#L264-1
[2019-11-19 22:28:06,991 INFO L796 eck$LassoCheckResult]: Loop: 820#L264-1 assume !false; 762#L307 assume test_~splverifierCounter~0 < 4; 763#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 862#L316 assume !(0 != test_~tmp~2); 922#L316-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 921#L326 assume !(0 != test_~tmp___0~1); 919#L326-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 917#L336 assume 0 != test_~tmp___2~0; 916#L342-1 assume !(0 != ~pumpRunning~0); 842#L372 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 826#L430 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 827#L404-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 849#L130-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 850#L135-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 822#L532-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 823#L532-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 768#L538-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 769#L408-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 831#L379 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 874#L90-1 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 860#L264 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 820#L264-1
[2019-11-19 22:28:06,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:06,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times
[2019-11-19 22:28:06,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:06,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543445358]
[2019-11-19 22:28:06,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:07,152 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:07,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:07,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1406211850, now seen corresponding path program 1 times
[2019-11-19 22:28:07,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:07,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870227733]
[2019-11-19 22:28:07,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:07,177 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:07,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:07,179 INFO L82 PathProgramCache]: Analyzing trace with hash 366929776, now seen corresponding path program 1 times
[2019-11-19 22:28:07,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:07,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824721256]
[2019-11-19 22:28:07,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:07,272 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:07,415 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51
[2019-11-19 22:28:33,968 WARN L191 SmtUtils]: Spent 26.47 s on a formula simplification. DAG size of input: 456 DAG size of output: 404
[2019-11-19 22:28:48,800 WARN L191 SmtUtils]: Spent 14.82 s on a formula simplification that was a NOOP. DAG size: 402
[2019-11-19 22:28:48,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:28:48 BoogieIcfgContainer
[2019-11-19 22:28:48,901 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2019-11-19 22:28:48,902 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2019-11-19 22:28:48,902 INFO L271 PluginConnector]: Initializing Witness Printer...
[2019-11-19 22:28:48,902 INFO L275 PluginConnector]: Witness Printer initialized
[2019-11-19 22:28:48,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:05" (3/4) ...
[2019-11-19 22:28:48,906 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2019-11-19 22:28:48,970 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2019-11-19 22:28:48,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-11-19 22:28:48,972 INFO L168 Benchmark]: Toolchain (without parser) took 45239.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.6 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -245.7 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB.
[2019-11-19 22:28:48,973 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 22:28:48,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB.
[2019-11-19 22:28:48,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.23 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB.
[2019-11-19 22:28:48,975 INFO L168 Benchmark]: Boogie Preprocessor took 49.42 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.
[2019-11-19 22:28:48,975 INFO L168 Benchmark]: RCFGBuilder took 902.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB.
[2019-11-19 22:28:48,976 INFO L168 Benchmark]: BuchiAutomizer took 43478.17 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -194.2 MB). Peak memory consumption was 406.3 MB. Max. memory is 11.5 GB.
[2019-11-19 22:28:48,977 INFO L168 Benchmark]: Witness Printer took 68.67 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: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB.
[2019-11-19 22:28:48,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB.
* CACSL2BoogieTranslator took 659.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB.
* Boogie Procedure Inliner took 77.23 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB.
* Boogie Preprocessor took 49.42 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 902.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB.
* BuchiAutomizer took 43478.17 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -194.2 MB). Peak memory consumption was 406.3 MB. Max. memory is 11.5 GB.
* Witness Printer took 68.67 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: 12.7 MB). Peak memory consumption was 12.7 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 193 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 43.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 42.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 102 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 193 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 319 SDtfs, 740 SDslu, 800 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 306]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=6176}
State at position 1 is
{NULL=0, retValue_acc=0, NULL=6181, NULL=6176, retValue_acc=0, NULL=6177, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65a11df9=0, NULL=6187, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76ab61f5=0, tmp___0=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@136fbd87=0, NULL=0, NULL=0, NULL=6195, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6294b974=0, NULL=6178, NULL=0, tmp___1=0, NULL=6197, retValue_acc=0, NULL=6184, tmp=0, cleanupTimeShifts=4, NULL=6186, NULL=6190, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=6179, NULL=6182, \result=0, NULL=6194, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=6199, \result=0, NULL=6198, NULL=6183, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=6189, \result=1, tmp___0=0, NULL=6180, NULL=6192, retValue_acc=1, NULL=6188, tmp___2=57, tmp=1, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=6196, NULL=6201, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2220e9d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@663009e0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@357c9aa1=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@356bf35f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cb189ad=0, NULL=6191, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45343648=0, NULL=6200, NULL=6185, NULL=0, tmp=0, NULL=6193}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L47] int waterLevel = 1;
[L48] int methaneLevelCritical = 0;
[L141] int cleanupTimeShifts = 4;
[L247] int methAndRunningLastTime ;
[L365] int pumpRunning = 0;
[L366] int systemActive = 1;
[L762] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L222] int retValue_acc ;
[L223] int tmp ;
[L584] int retValue_acc ;
[L587] retValue_acc = 1
[L588] return (retValue_acc);
[L229] tmp = valid_product()
[L231] COND TRUE \read(tmp)
[L252] methAndRunningLastTime = 0
[L297] int splverifierCounter ;
[L298] int tmp ;
[L299] int tmp___0 ;
[L300] int tmp___1 ;
[L301] int tmp___2 ;
[L304] splverifierCounter = 0
Loop:
[L306] COND TRUE 1
[L308] COND TRUE splverifierCounter < 4
[L314] tmp = __VERIFIER_nondet_int()
[L316] COND FALSE !(\read(tmp))
[L324] tmp___0 = __VERIFIER_nondet_int()
[L326] COND FALSE !(\read(tmp___0))
[L334] tmp___2 = __VERIFIER_nondet_int()
[L336] COND TRUE \read(tmp___2)
[L372] COND FALSE !(\read(pumpRunning))
[L379] COND TRUE \read(systemActive)
[L427] int tmp ;
[L430] COND FALSE !(\read(pumpRunning))
[L401] int tmp ;
[L404] COND TRUE ! pumpRunning
[L524] int retValue_acc ;
[L525] int tmp ;
[L526] int tmp___0 ;
[L127] int retValue_acc ;
[L130] COND TRUE waterLevel < 2
[L131] retValue_acc = 1
[L132] return (retValue_acc);
[L530] tmp = isHighWaterSensorDry()
[L532] COND TRUE \read(tmp)
[L533] tmp___0 = 0
[L537] retValue_acc = tmp___0
[L538] return (retValue_acc);
[L406] tmp = isHighWaterLevel()
[L408] COND FALSE !(\read(tmp))
[L257] int tmp ;
[L258] int tmp___0 ;
[L86] int retValue_acc ;
[L89] retValue_acc = methaneLevelCritical
[L90] return (retValue_acc);
[L262] tmp = isMethaneLevelCritical()
[L264] COND FALSE !(\read(tmp))
[L280] methAndRunningLastTime = 0
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...