./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product49.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_spec3_product49.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 81d3a03e2badb1d355e733e1f917b69305964186
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 22:28:52,175 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-11-19 22:28:52,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-19 22:28:52,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-19 22:28:52,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-19 22:28:52,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-19 22:28:52,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-19 22:28:52,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-19 22:28:52,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-19 22:28:52,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-19 22:28:52,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-11-19 22:28:52,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-19 22:28:52,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-19 22:28:52,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-19 22:28:52,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-19 22:28:52,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-19 22:28:52,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-19 22:28:52,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-19 22:28:52,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-19 22:28:52,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-19 22:28:52,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-19 22:28:52,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-19 22:28:52,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-11-19 22:28:52,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-19 22:28:52,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-19 22:28:52,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-19 22:28:52,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-19 22:28:52,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-19 22:28:52,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-19 22:28:52,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-19 22:28:52,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-19 22:28:52,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-19 22:28:52,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-19 22:28:52,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-19 22:28:52,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-19 22:28:52,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-19 22:28:52,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-19 22:28:52,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-19 22:28:52,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-19 22:28:52,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-19 22:28:52,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-11-19 22:28:52,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf
[2019-11-19 22:28:52,269 INFO L113 SettingsManager]: Loading preferences was successful
[2019-11-19 22:28:52,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-19 22:28:52,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-19 22:28:52,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-11-19 22:28:52,272 INFO L138 SettingsManager]: * Use SBE=true
[2019-11-19 22:28:52,273 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2019-11-19 22:28:52,273 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2019-11-19 22:28:52,274 INFO L138 SettingsManager]: * Use old map elimination=false
[2019-11-19 22:28:52,274 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2019-11-19 22:28:52,274 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2019-11-19 22:28:52,274 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2019-11-19 22:28:52,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-19 22:28:52,276 INFO L138 SettingsManager]: * sizeof long=4
[2019-11-19 22:28:52,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2019-11-19 22:28:52,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-11-19 22:28:52,277 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-11-19 22:28:52,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-11-19 22:28:52,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2019-11-19 22:28:52,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2019-11-19 22:28:52,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2019-11-19 22:28:52,278 INFO L138 SettingsManager]: * sizeof long double=12
[2019-11-19 22:28:52,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-11-19 22:28:52,278 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2019-11-19 22:28:52,279 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-11-19 22:28:52,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2019-11-19 22:28:52,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-19 22:28:52,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-11-19 22:28:52,280 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump
[2019-11-19 22:28:52,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-19 22:28:52,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-11-19 22:28:52,280 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto
[2019-11-19 22:28:52,283 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2019-11-19 22:28:52,284 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 -> 81d3a03e2badb1d355e733e1f917b69305964186
[2019-11-19 22:28:52,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-19 22:28:52,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-19 22:28:52,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-19 22:28:52,618 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-11-19 22:28:52,618 INFO L275 PluginConnector]: CDTParser initialized
[2019-11-19 22:28:52,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c
[2019-11-19 22:28:52,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0df6e6b87/c200bddb0a4b46fa8427a7a96512492b/FLAGdc9621d3a
[2019-11-19 22:28:53,298 INFO L306 CDTParser]: Found 1 translation units.
[2019-11-19 22:28:53,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c
[2019-11-19 22:28:53,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0df6e6b87/c200bddb0a4b46fa8427a7a96512492b/FLAGdc9621d3a
[2019-11-19 22:28:53,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0df6e6b87/c200bddb0a4b46fa8427a7a96512492b
[2019-11-19 22:28:53,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-19 22:28:53,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2019-11-19 22:28:53,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-19 22:28:53,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-19 22:28:53,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-19 22:28:53,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:28:53" (1/1) ...
[2019-11-19 22:28:53,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f8a12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:53, skipping insertion in model container
[2019-11-19 22:28:53,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:28:53" (1/1) ...
[2019-11-19 22:28:53,584 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-11-19 22:28:53,652 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-11-19 22:28:54,054 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-19 22:28:54,083 INFO L188 MainTranslator]: Completed pre-run
[2019-11-19 22:28:54,201 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-19 22:28:54,237 INFO L192 MainTranslator]: Completed translation
[2019-11-19 22:28:54,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54 WrapperNode
[2019-11-19 22:28:54,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-19 22:28:54,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-19 22:28:54,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-19 22:28:54,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-19 22:28:54,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-19 22:28:54,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-19 22:28:54,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-19 22:28:54,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-11-19 22:28:54,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (1/1) ...
[2019-11-19 22:28:54,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-19 22:28:54,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-19 22:28:54,389 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-11-19 22:28:54,389 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-11-19 22:28:54,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (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 22:28:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-19 22:28:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-19 22:28:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-19 22:28:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-19 22:28:55,282 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-19 22:28:55,283 INFO L285 CfgBuilder]: Removed 162 assume(true) statements.
[2019-11-19 22:28:55,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:55 BoogieIcfgContainer
[2019-11-19 22:28:55,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-19 22:28:55,285 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2019-11-19 22:28:55,285 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2019-11-19 22:28:55,289 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2019-11-19 22:28:55,290 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2019-11-19 22:28:55,290 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:28:53" (1/3) ...
[2019-11-19 22:28:55,292 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58655895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:28:55, skipping insertion in model container
[2019-11-19 22:28:55,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2019-11-19 22:28:55,292 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:54" (2/3) ...
[2019-11-19 22:28:55,293 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58655895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:28:55, skipping insertion in model container
[2019-11-19 22:28:55,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2019-11-19 22:28:55,293 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:55" (3/3) ...
[2019-11-19 22:28:55,295 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product49.cil.c
[2019-11-19 22:28:55,342 INFO L356 BuchiCegarLoop]: Interprodecural is true
[2019-11-19 22:28:55,343 INFO L357 BuchiCegarLoop]: Hoare is false
[2019-11-19 22:28:55,343 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2019-11-19 22:28:55,343 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-19 22:28:55,345 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-19 22:28:55,345 INFO L361 BuchiCegarLoop]: Difference is false
[2019-11-19 22:28:55,345 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-19 22:28:55,345 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2019-11-19 22:28:55,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states.
[2019-11-19 22:28:55,409 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77
[2019-11-19 22:28:55,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:55,410 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:55,418 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:55,418 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:55,418 INFO L424 BuchiCegarLoop]: ======== Iteration 1============
[2019-11-19 22:28:55,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states.
[2019-11-19 22:28:55,425 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77
[2019-11-19 22:28:55,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:55,426 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:55,427 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:55,427 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:55,432 INFO L794 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 4#L-1true havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 43#L480true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 49#L488true main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 108#L941true assume 0 != main_~tmp~9; 21#L918true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 98#L333-1true
[2019-11-19 22:28:55,433 INFO L796 eck$LassoCheckResult]: Loop: 98#L333-1true assume !false; 57#L262true assume test_~splverifierCounter~0 < 4; 3#L263true test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 14#L271true assume !(0 != test_~tmp~4); 36#L271-1true test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 95#L281true assume !(0 != test_~tmp___0~2); 91#L281-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 121#L291true assume 0 != test_~tmp___2~0; 99#L297-2true assume !(0 != ~pumpRunning~0); 72#L58true assume !(0 != ~systemActive~0); 11#L65true havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 24#L395true __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 114#L327true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 98#L333-1true
[2019-11-19 22:28:55,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:55,440 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2019-11-19 22:28:55,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:55,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933350090]
[2019-11-19 22:28:55,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:55,832 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:55,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:55,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1679775179, now seen corresponding path program 1 times
[2019-11-19 22:28:55,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:55,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598460825]
[2019-11-19 22:28:55,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:55,853 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:55,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:55,855 INFO L82 PathProgramCache]: Analyzing trace with hash 34503759, now seen corresponding path program 1 times
[2019-11-19 22:28:55,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:55,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843455556]
[2019-11-19 22:28:55,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:28:56,062 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 22:28:56,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843455556]
[2019-11-19 22:28:56,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:28:56,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-11-19 22:28:56,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063682854]
[2019-11-19 22:28:56,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:28:56,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-11-19 22:28:56,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2019-11-19 22:28:56,202 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 6 states.
[2019-11-19 22:28:56,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:28:56,381 INFO L93 Difference]: Finished difference Result 120 states and 172 transitions.
[2019-11-19 22:28:56,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2019-11-19 22:28:56,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 172 transitions.
[2019-11-19 22:28:56,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75
[2019-11-19 22:28:56,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 113 states and 165 transitions.
[2019-11-19 22:28:56,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113
[2019-11-19 22:28:56,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113
[2019-11-19 22:28:56,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 165 transitions.
[2019-11-19 22:28:56,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2019-11-19 22:28:56,411 INFO L688 BuchiCegarLoop]: Abstraction has 113 states and 165 transitions.
[2019-11-19 22:28:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 165 transitions.
[2019-11-19 22:28:56,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2019-11-19 22:28:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states.
[2019-11-19 22:28:56,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions.
[2019-11-19 22:28:56,446 INFO L711 BuchiCegarLoop]: Abstraction has 113 states and 165 transitions.
[2019-11-19 22:28:56,447 INFO L591 BuchiCegarLoop]: Abstraction has 113 states and 165 transitions.
[2019-11-19 22:28:56,447 INFO L424 BuchiCegarLoop]: ======== Iteration 2============
[2019-11-19 22:28:56,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 165 transitions.
[2019-11-19 22:28:56,449 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75
[2019-11-19 22:28:56,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:56,450 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:56,451 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:56,451 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:56,451 INFO L794 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 260#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 261#L480 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 317#L488 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 324#L941 assume 0 != main_~tmp~9; 293#L918 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 294#L333-1
[2019-11-19 22:28:56,452 INFO L796 eck$LassoCheckResult]: Loop: 294#L333-1 assume !false; 331#L262 assume test_~splverifierCounter~0 < 4; 258#L263 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 259#L271 assume !(0 != test_~tmp~4); 281#L271-1 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 310#L281 assume !(0 != test_~tmp___0~2); 361#L281-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 362#L291 assume 0 != test_~tmp___2~0; 368#L297-2 assume !(0 != ~pumpRunning~0); 344#L58 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 337#L116 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 338#L90-1 assume !(0 == ~pumpRunning~0); 274#L65 havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 275#L395 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 299#L327 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 294#L333-1
[2019-11-19 22:28:56,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:56,452 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2019-11-19 22:28:56,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:56,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034215136]
[2019-11-19 22:28:56,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:56,538 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:56,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:56,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1996917037, now seen corresponding path program 1 times
[2019-11-19 22:28:56,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:56,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428974850]
[2019-11-19 22:28:56,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:28:56,556 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 22:28:56,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428974850]
[2019-11-19 22:28:56,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:28:56,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-19 22:28:56,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289961389]
[2019-11-19 22:28:56,561 INFO L811 eck$LassoCheckResult]: loop already infeasible
[2019-11-19 22:28:56,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:28:56,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-11-19 22:28:56,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-11-19 22:28:56,562 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. cyclomatic complexity: 54 Second operand 3 states.
[2019-11-19 22:28:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:28:56,680 INFO L93 Difference]: Finished difference Result 160 states and 222 transitions.
[2019-11-19 22:28:56,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-11-19 22:28:56,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 222 transitions.
[2019-11-19 22:28:56,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110
[2019-11-19 22:28:56,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 222 transitions.
[2019-11-19 22:28:56,687 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160
[2019-11-19 22:28:56,687 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160
[2019-11-19 22:28:56,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 222 transitions.
[2019-11-19 22:28:56,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2019-11-19 22:28:56,689 INFO L688 BuchiCegarLoop]: Abstraction has 160 states and 222 transitions.
[2019-11-19 22:28:56,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 222 transitions.
[2019-11-19 22:28:56,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160.
[2019-11-19 22:28:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states.
[2019-11-19 22:28:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 222 transitions.
[2019-11-19 22:28:56,700 INFO L711 BuchiCegarLoop]: Abstraction has 160 states and 222 transitions.
[2019-11-19 22:28:56,700 INFO L591 BuchiCegarLoop]: Abstraction has 160 states and 222 transitions.
[2019-11-19 22:28:56,701 INFO L424 BuchiCegarLoop]: ======== Iteration 3============
[2019-11-19 22:28:56,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 222 transitions.
[2019-11-19 22:28:56,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110
[2019-11-19 22:28:56,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:56,704 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:56,705 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:56,705 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 22:28:56,706 INFO L794 eck$LassoCheckResult]: Stem: 655#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 539#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 540#L480 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 596#L488 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 602#L941 assume 0 != main_~tmp~9; 571#L918 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 572#L333-1
[2019-11-19 22:28:56,707 INFO L796 eck$LassoCheckResult]: Loop: 572#L333-1 assume !false; 611#L262 assume test_~splverifierCounter~0 < 4; 537#L263 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 538#L271 assume !(0 != test_~tmp~4); 559#L271-1 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 588#L281 assume !(0 != test_~tmp___0~2); 646#L281-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 647#L291 assume 0 != test_~tmp___2~0; 653#L297-2 assume !(0 != ~pumpRunning~0); 625#L58 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 618#L116 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 619#L90-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 639#L435-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 640#L440-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 623#L218-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 622#L218-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 598#L224-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 599#L94-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 552#L65 havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 553#L395 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 577#L327 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 572#L333-1
[2019-11-19 22:28:56,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:56,707 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2019-11-19 22:28:56,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:56,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88795278]
[2019-11-19 22:28:56,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:56,827 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:56,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:56,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1058929087, now seen corresponding path program 1 times
[2019-11-19 22:28:56,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:56,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485093323]
[2019-11-19 22:28:56,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:56,842 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:56,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:56,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1515000281, now seen corresponding path program 1 times
[2019-11-19 22:28:56,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:56,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993941528]
[2019-11-19 22:28:56,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-19 22:28:56,913 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 22:28:56,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993941528]
[2019-11-19 22:28:56,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-19 22:28:56,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-11-19 22:28:56,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663531214]
[2019-11-19 22:28:57,059 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50
[2019-11-19 22:28:57,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-19 22:28:57,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-11-19 22:28:57,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-11-19 22:28:57,132 INFO L87 Difference]: Start difference. First operand 160 states and 222 transitions. cyclomatic complexity: 64 Second operand 5 states.
[2019-11-19 22:28:57,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-19 22:28:57,294 INFO L93 Difference]: Finished difference Result 555 states and 776 transitions.
[2019-11-19 22:28:57,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2019-11-19 22:28:57,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 555 states and 776 transitions.
[2019-11-19 22:28:57,302 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 408
[2019-11-19 22:28:57,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 555 states to 555 states and 776 transitions.
[2019-11-19 22:28:57,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 555
[2019-11-19 22:28:57,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 555
[2019-11-19 22:28:57,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 776 transitions.
[2019-11-19 22:28:57,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2019-11-19 22:28:57,323 INFO L688 BuchiCegarLoop]: Abstraction has 555 states and 776 transitions.
[2019-11-19 22:28:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 776 transitions.
[2019-11-19 22:28:57,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 314.
[2019-11-19 22:28:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states.
[2019-11-19 22:28:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 430 transitions.
[2019-11-19 22:28:57,370 INFO L711 BuchiCegarLoop]: Abstraction has 314 states and 430 transitions.
[2019-11-19 22:28:57,370 INFO L591 BuchiCegarLoop]: Abstraction has 314 states and 430 transitions.
[2019-11-19 22:28:57,370 INFO L424 BuchiCegarLoop]: ======== Iteration 4============
[2019-11-19 22:28:57,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 314 states and 430 transitions.
[2019-11-19 22:28:57,377 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 220
[2019-11-19 22:28:57,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2019-11-19 22:28:57,378 INFO L119 BuchiIsEmpty]: Starting construction of run
[2019-11-19 22:28:57,382 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2019-11-19 22:28:57,382 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, 1, 1]
[2019-11-19 22:28:57,382 INFO L794 eck$LassoCheckResult]: Stem: 1399#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 1274#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 1275#L480 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 1334#L488 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 1341#L941 assume 0 != main_~tmp~9; 1309#L918 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1310#L333-1
[2019-11-19 22:28:57,383 INFO L796 eck$LassoCheckResult]: Loop: 1310#L333-1 assume !false; 1482#L262 assume test_~splverifierCounter~0 < 4; 1481#L263 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 1480#L271 assume !(0 != test_~tmp~4); 1478#L271-1 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 1477#L281 assume !(0 != test_~tmp___0~2); 1476#L281-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1475#L291 assume 0 != test_~tmp___2~0; 1473#L297-2 assume !(0 != ~pumpRunning~0); 1449#L58 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1470#L116 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1442#L90-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1453#L435-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1450#L440-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 1447#L218-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1445#L218-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1443#L224-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1428#L94-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 1286#L65 havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 1287#L395 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 1313#L327 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1486#L427 __utac_acc__Specification3_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~3 := __utac_acc__Specification3_spec__1_#t~ret26;havoc __utac_acc__Specification3_spec__1_#t~ret26; 1484#L333 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3); 1310#L333-1
[2019-11-19 22:28:57,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:57,384 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 4 times
[2019-11-19 22:28:57,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:57,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20628146]
[2019-11-19 22:28:57,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:57,468 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:57,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:57,469 INFO L82 PathProgramCache]: Analyzing trace with hash -276388655, now seen corresponding path program 1 times
[2019-11-19 22:28:57,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:57,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263431824]
[2019-11-19 22:28:57,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:57,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:57,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 22:28:57,483 INFO L82 PathProgramCache]: Analyzing trace with hash -78635413, now seen corresponding path program 1 times
[2019-11-19 22:28:57,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 22:28:57,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112034466]
[2019-11-19 22:28:57,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 22:28:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 22:28:57,553 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 22:28:57,722 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55
[2019-11-19 22:29:19,252 WARN L191 SmtUtils]: Spent 21.45 s on a formula simplification. DAG size of input: 452 DAG size of output: 400
[2019-11-19 22:29:31,966 WARN L191 SmtUtils]: Spent 12.71 s on a formula simplification that was a NOOP. DAG size: 400
[2019-11-19 22:29:32,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:29:32 BoogieIcfgContainer
[2019-11-19 22:29:32,041 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2019-11-19 22:29:32,042 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2019-11-19 22:29:32,042 INFO L271 PluginConnector]: Initializing Witness Printer...
[2019-11-19 22:29:32,042 INFO L275 PluginConnector]: Witness Printer initialized
[2019-11-19 22:29:32,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:55" (3/4) ...
[2019-11-19 22:29:32,046 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2019-11-19 22:29:32,109 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2019-11-19 22:29:32,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-11-19 22:29:32,111 INFO L168 Benchmark]: Toolchain (without parser) took 38548.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 320.9 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -281.1 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB.
[2019-11-19 22:29:32,112 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 22:29:32,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB.
[2019-11-19 22:29:32,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB.
[2019-11-19 22:29:32,114 INFO L168 Benchmark]: Boogie Preprocessor took 71.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 22:29:32,114 INFO L168 Benchmark]: RCFGBuilder took 895.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB.
[2019-11-19 22:29:32,115 INFO L168 Benchmark]: BuchiAutomizer took 36756.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -196.7 MB). Peak memory consumption was 410.8 MB. Max. memory is 11.5 GB.
[2019-11-19 22:29:32,116 INFO L168 Benchmark]: Witness Printer took 67.87 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB.
[2019-11-19 22:29:32,119 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB.
* CACSL2BoogieTranslator took 673.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB.
* Boogie Procedure Inliner took 77.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB.
* Boogie Preprocessor took 71.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
* RCFGBuilder took 895.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB.
* BuchiAutomizer took 36756.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -196.7 MB). Peak memory consumption was 410.8 MB. Max. memory is 11.5 GB.
* Witness Printer took 67.87 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 314 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 36.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 35.9s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 241 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 314 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 566 SDtfs, 1292 SDslu, 857 SDs, 0 SdLazy, 81 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 261]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=8195}
State at position 1 is
{NULL=0, NULL=0, NULL=8202, NULL=8195, NULL=8218, NULL=0, NULL=0, methaneLevelCritical=0, NULL=8199, NULL=8217, tmp___0=0, tmp=0, NULL=0, NULL=0, NULL=8208, retValue_acc=0, NULL=0, NULL=8197, NULL=0, tmp___1=0, NULL=8220, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ee2ec35=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ec0447c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10c0d4eb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cdaf88b=0, cleanupTimeShifts=4, NULL=8212, tmp=0, NULL=8196, tmp___0=1, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=8216, \result=1, NULL=0, NULL=8211, NULL=0, NULL=8198, \result=0, NULL=0, retValue_acc=0, NULL=8219, NULL=0, NULL=0, NULL=8215, \result=1, retValue_acc=0, NULL=8203, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ffc7716=0, NULL=8214, \result=0, retValue_acc=1, NULL=8210, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34141e39=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31bc8ce4=60, NULL=0, NULL=8200, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c5f6e1=0, \result=1, NULL=8204, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@542e1c1d=0, NULL=8209, NULL=0, tmp=1, tmp___2=60, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c650f8a=0, retValue_acc=1, splverifierCounter=0, NULL=0, \result=0, NULL=8205, NULL=8213, NULL=8207, tmp=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@260234d7=0, head=0, tmp=1, NULL=0, NULL=8201, NULL=0, NULL=8206}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50] int pumpRunning = 0;
[L51] int systemActive = 1;
[L352] int waterLevel = 1;
[L353] int methaneLevelCritical = 0;
[L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L859] int cleanupTimeShifts = 4;
[L932] int retValue_acc ;
[L933] int tmp ;
[L484] int retValue_acc ;
[L487] retValue_acc = 1
[L488] return (retValue_acc);
[L939] tmp = valid_product()
[L941] COND TRUE \read(tmp)
[L252] int splverifierCounter ;
[L253] int tmp ;
[L254] int tmp___0 ;
[L255] int tmp___1 ;
[L256] int tmp___2 ;
[L259] splverifierCounter = 0
Loop:
[L261] COND TRUE 1
[L263] COND TRUE splverifierCounter < 4
[L269] tmp = __VERIFIER_nondet_int()
[L271] COND FALSE !(\read(tmp))
[L279] tmp___0 = __VERIFIER_nondet_int()
[L281] COND FALSE !(\read(tmp___0))
[L289] tmp___2 = __VERIFIER_nondet_int()
[L291] COND TRUE \read(tmp___2)
[L58] COND FALSE !(\read(pumpRunning))
[L65] COND TRUE \read(systemActive)
[L113] int tmp ;
[L116] COND FALSE !(\read(pumpRunning))
[L87] int tmp ;
[L90] COND TRUE ! pumpRunning
[L210] int retValue_acc ;
[L211] int tmp ;
[L212] int tmp___0 ;
[L432] int retValue_acc ;
[L435] COND TRUE waterLevel < 2
[L436] retValue_acc = 1
[L437] return (retValue_acc);
[L216] tmp = isHighWaterSensorDry()
[L218] COND TRUE \read(tmp)
[L219] tmp___0 = 0
[L223] retValue_acc = tmp___0
[L224] return (retValue_acc);
[L92] tmp = isHighWaterLevel()
[L94] COND FALSE !(\read(tmp))
[L319] int tmp ;
[L320] int tmp___0 ;
[L321] int tmp___1 ;
[L391] int retValue_acc ;
[L394] retValue_acc = methaneLevelCritical
[L395] return (retValue_acc);
[L325] tmp = isMethaneLevelCritical()
[L327] COND FALSE !(\read(tmp))
[L423] int retValue_acc ;
[L426] retValue_acc = waterLevel
[L427] return (retValue_acc);
[L331] tmp___0 = getWaterLevel()
[L333] COND FALSE !(tmp___0 == 2)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...