./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 635dfa2a
Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer --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 e5628f313afbfffa53e61454ca424855ee3b0eb7
............................................................................................................................................................................................................................................................................................................................................................................................................................................
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 0.1.23-635dfa2
[2018-12-02 22:02:30,916 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-12-02 22:02:30,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-12-02 22:02:30,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-12-02 22:02:30,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-12-02 22:02:30,923 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-12-02 22:02:30,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-12-02 22:02:30,925 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-12-02 22:02:30,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-12-02 22:02:30,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-12-02 22:02:30,926 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-12-02 22:02:30,926 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-12-02 22:02:30,927 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-12-02 22:02:30,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-12-02 22:02:30,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-12-02 22:02:30,928 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-12-02 22:02:30,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-12-02 22:02:30,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-12-02 22:02:30,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-02 22:02:30,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-02 22:02:30,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-12-02 22:02:30,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-12-02 22:02:30,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-12-02 22:02:30,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-12-02 22:02:30,933 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-02 22:02:30,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-02 22:02:30,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-12-02 22:02:30,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-12-02 22:02:30,935 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-12-02 22:02:30,936 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-12-02 22:02:30,936 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-12-02 22:02:30,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-12-02 22:02:30,936 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-12-02 22:02:30,937 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values
[2018-12-02 22:02:30,937 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-12-02 22:02:30,937 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-12-02 22:02:30,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf
[2018-12-02 22:02:30,945 INFO L110 SettingsManager]: Loading preferences was successful
[2018-12-02 22:02:30,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-02 22:02:30,946 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-12-02 22:02:30,946 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-12-02 22:02:30,946 INFO L133 SettingsManager]: * Use SBE=true
[2018-12-02 22:02:30,946 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * Use old map elimination=false
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2018-12-02 22:02:30,947 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * sizeof long=4
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2018-12-02 22:02:30,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * sizeof long double=12
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * Check if freed pointer was valid=false
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * Use constant arrays=true
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2018-12-02 22:02:30,948 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump
[2018-12-02 22:02:30,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-12-02 22:02:30,948 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto
[2018-12-02 22:02:30,949 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-12-02 22:02:30,949 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer
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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7
[2018-12-02 22:02:30,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-02 22:02:30,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-02 22:02:30,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-02 22:02:30,975 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-12-02 22:02:30,975 INFO L276 PluginConnector]: CDTParser initialized
[2018-12-02 22:02:30,975 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c
[2018-12-02 22:02:31,009 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/data/2342771f1/0c4c22656eb24da58784edcfce65b571/FLAG9759b63e1
[2018-12-02 22:02:31,407 INFO L307 CDTParser]: Found 1 translation units.
[2018-12-02 22:02:31,407 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c
[2018-12-02 22:02:31,414 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/data/2342771f1/0c4c22656eb24da58784edcfce65b571/FLAG9759b63e1
[2018-12-02 22:02:31,766 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/data/2342771f1/0c4c22656eb24da58784edcfce65b571
[2018-12-02 22:02:31,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-02 22:02:31,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2018-12-02 22:02:31,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-12-02 22:02:31,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-12-02 22:02:31,786 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-12-02 22:02:31,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:31" (1/1) ...
[2018-12-02 22:02:31,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:31, skipping insertion in model container
[2018-12-02 22:02:31,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:31" (1/1) ...
[2018-12-02 22:02:31,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2018-12-02 22:02:31,818 INFO L176 MainTranslator]: Built tables and reachable declarations
[2018-12-02 22:02:31,983 INFO L203 PostProcessor]: Analyzing one entry point: main
[2018-12-02 22:02:31,990 INFO L191 MainTranslator]: Completed pre-run
[2018-12-02 22:02:32,069 INFO L203 PostProcessor]: Analyzing one entry point: main
[2018-12-02 22:02:32,086 INFO L195 MainTranslator]: Completed translation
[2018-12-02 22:02:32,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32 WrapperNode
[2018-12-02 22:02:32,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-12-02 22:02:32,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-02 22:02:32,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-02 22:02:32,087 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-02 22:02:32,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-02 22:02:32,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-02 22:02:32,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-02 22:02:32,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-12-02 22:02:32,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
[2018-12-02 22:02:32,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-02 22:02:32,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-02 22:02:32,154 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-12-02 22:02:32,154 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-12-02 22:02:32,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/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
[2018-12-02 22:02:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-12-02 22:02:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2018-12-02 22:02:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-12-02 22:02:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-12-02 22:02:32,599 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-12-02 22:02:32,599 INFO L280 CfgBuilder]: Removed 198 assue(true) statements.
[2018-12-02 22:02:32,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:32 BoogieIcfgContainer
[2018-12-02 22:02:32,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-02 22:02:32,600 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2018-12-02 22:02:32,600 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2018-12-02 22:02:32,602 INFO L276 PluginConnector]: BuchiAutomizer initialized
[2018-12-02 22:02:32,603 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-12-02 22:02:32,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 10:02:31" (1/3) ...
[2018-12-02 22:02:32,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41b20651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:02:32, skipping insertion in model container
[2018-12-02 22:02:32,604 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-12-02 22:02:32,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:32" (2/3) ...
[2018-12-02 22:02:32,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41b20651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:02:32, skipping insertion in model container
[2018-12-02 22:02:32,604 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-12-02 22:02:32,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:32" (3/3) ...
[2018-12-02 22:02:32,606 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product60_true-unreach-call_false-termination.cil.c
[2018-12-02 22:02:32,636 INFO L133 ementStrategyFactory]: Using default assertion order modulation
[2018-12-02 22:02:32,636 INFO L374 BuchiCegarLoop]: Interprodecural is true
[2018-12-02 22:02:32,636 INFO L375 BuchiCegarLoop]: Hoare is false
[2018-12-02 22:02:32,636 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2018-12-02 22:02:32,636 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2018-12-02 22:02:32,636 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-12-02 22:02:32,637 INFO L379 BuchiCegarLoop]: Difference is false
[2018-12-02 22:02:32,637 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-12-02 22:02:32,637 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2018-12-02 22:02:32,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states.
[2018-12-02 22:02:32,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87
[2018-12-02 22:02:32,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-02 22:02:32,663 INFO L119 BuchiIsEmpty]: Starting construction of run
[2018-12-02 22:02:32,668 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2018-12-02 22:02:32,668 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-02 22:02:32,668 INFO L442 BuchiCegarLoop]: ======== Iteration 1============
[2018-12-02 22:02:32,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states.
[2018-12-02 22:02:32,672 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87
[2018-12-02 22:02:32,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-02 22:02:32,672 INFO L119 BuchiIsEmpty]: Starting construction of run
[2018-12-02 22:02:32,673 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2018-12-02 22:02:32,673 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-02 22:02:32,676 INFO L794 eck$LassoCheckResult]: Stem: 109#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 13#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 10#L73true main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 100#L165true assume 0 != main_~tmp~0; 84#L141true havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 106#L556-1true
[2018-12-02 22:02:32,677 INFO L796 eck$LassoCheckResult]: Loop: 106#L556-1true assume !false; 12#L841true assume test_~splverifierCounter~0 < 4; 115#L842true test_~tmp~10 := test_#t~nondet61;havoc test_#t~nondet61; 119#L850true assume !(0 != test_~tmp~10); 121#L850-1true test_~tmp___0~3 := test_#t~nondet62;havoc test_#t~nondet62; 30#L860true assume !(0 != test_~tmp___0~3); 31#L860-1true test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 98#L870true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 102#L878-1true assume !(0 != ~pumpRunning~0); 5#L599true assume !(0 != ~systemActive~0); 78#L606true havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 111#L974true __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 104#L556true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 106#L556-1true
[2018-12-02 22:02:32,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-02 22:02:32,681 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2018-12-02 22:02:32,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-02 22:02:32,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-02 22:02:32,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-02 22:02:32,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:32,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-02 22:02:32,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1669554868, now seen corresponding path program 1 times
[2018-12-02 22:02:32,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-02 22:02:32,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-02 22:02:32,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-02 22:02:32,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 22:02:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 22:02:32,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-02 22:02:32,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-12-02 22:02:32,849 INFO L811 eck$LassoCheckResult]: loop already infeasible
[2018-12-02 22:02:32,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-02 22:02:32,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-02 22:02:32,859 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 3 states.
[2018-12-02 22:02:32,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-02 22:02:32,897 INFO L93 Difference]: Finished difference Result 262 states and 378 transitions.
[2018-12-02 22:02:32,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-12-02 22:02:32,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 378 transitions.
[2018-12-02 22:02:32,902 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 170
[2018-12-02 22:02:32,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 248 states and 363 transitions.
[2018-12-02 22:02:32,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 248
[2018-12-02 22:02:32,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 248
[2018-12-02 22:02:32,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 248 states and 363 transitions.
[2018-12-02 22:02:32,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2018-12-02 22:02:32,909 INFO L705 BuchiCegarLoop]: Abstraction has 248 states and 363 transitions.
[2018-12-02 22:02:32,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states and 363 transitions.
[2018-12-02 22:02:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 246.
[2018-12-02 22:02:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states.
[2018-12-02 22:02:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 360 transitions.
[2018-12-02 22:02:32,935 INFO L728 BuchiCegarLoop]: Abstraction has 246 states and 360 transitions.
[2018-12-02 22:02:32,935 INFO L608 BuchiCegarLoop]: Abstraction has 246 states and 360 transitions.
[2018-12-02 22:02:32,935 INFO L442 BuchiCegarLoop]: ======== Iteration 2============
[2018-12-02 22:02:32,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 360 transitions.
[2018-12-02 22:02:32,937 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168
[2018-12-02 22:02:32,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-02 22:02:32,937 INFO L119 BuchiIsEmpty]: Starting construction of run
[2018-12-02 22:02:32,937 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2018-12-02 22:02:32,937 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-02 22:02:32,938 INFO L794 eck$LassoCheckResult]: Stem: 541#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 421#L-1 havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 422#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 419#L73 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 420#L165 assume 0 != main_~tmp~0; 524#L141 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 525#L556-1
[2018-12-02 22:02:32,938 INFO L796 eck$LassoCheckResult]: Loop: 525#L556-1 assume !false; 597#L841 assume test_~splverifierCounter~0 < 4; 598#L842 test_~tmp~10 := test_#t~nondet61;havoc test_#t~nondet61; 645#L850 assume !(0 != test_~tmp~10); 643#L850-1 test_~tmp___0~3 := test_#t~nondet62;havoc test_#t~nondet62; 642#L860 assume !(0 != test_~tmp___0~3); 640#L860-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 639#L870 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 535#L878-1 assume !(0 != ~pumpRunning~0); 409#L599 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 410#L657 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 553#L631-1 assume !(0 == ~pumpRunning~0); 603#L606 havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 602#L974 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 600#L556 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 525#L556-1
[2018-12-02 22:02:32,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-02 22:02:32,938 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2018-12-02 22:02:32,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-02 22:02:32,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-02 22:02:32,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-02 22:02:32,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:32,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-02 22:02:32,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1405144267, now seen corresponding path program 1 times
[2018-12-02 22:02:32,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-02 22:02:32,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-02 22:02:32,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,988 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-02 22:02:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-02 22:02:33,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-02 22:02:33,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-12-02 22:02:33,002 INFO L811 eck$LassoCheckResult]: loop already infeasible
[2018-12-02 22:02:33,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-02 22:02:33,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-02 22:02:33,002 INFO L87 Difference]: Start difference. First operand 246 states and 360 transitions. cyclomatic complexity: 117 Second operand 3 states.
[2018-12-02 22:02:33,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-02 22:02:33,072 INFO L93 Difference]: Finished difference Result 329 states and 460 transitions.
[2018-12-02 22:02:33,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-12-02 22:02:33,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 329 states and 460 transitions.
[2018-12-02 22:02:33,075 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231
[2018-12-02 22:02:33,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 329 states to 329 states and 460 transitions.
[2018-12-02 22:02:33,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 329
[2018-12-02 22:02:33,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 329
[2018-12-02 22:02:33,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 329 states and 460 transitions.
[2018-12-02 22:02:33,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2018-12-02 22:02:33,078 INFO L705 BuchiCegarLoop]: Abstraction has 329 states and 460 transitions.
[2018-12-02 22:02:33,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states and 460 transitions.
[2018-12-02 22:02:33,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329.
[2018-12-02 22:02:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states.
[2018-12-02 22:02:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 460 transitions.
[2018-12-02 22:02:33,086 INFO L728 BuchiCegarLoop]: Abstraction has 329 states and 460 transitions.
[2018-12-02 22:02:33,086 INFO L608 BuchiCegarLoop]: Abstraction has 329 states and 460 transitions.
[2018-12-02 22:02:33,086 INFO L442 BuchiCegarLoop]: ======== Iteration 3============
[2018-12-02 22:02:33,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 329 states and 460 transitions.
[2018-12-02 22:02:33,088 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231
[2018-12-02 22:02:33,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-02 22:02:33,088 INFO L119 BuchiIsEmpty]: Starting construction of run
[2018-12-02 22:02:33,088 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2018-12-02 22:02:33,088 INFO L867 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]
[2018-12-02 22:02:33,089 INFO L794 eck$LassoCheckResult]: Stem: 1113#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 1002#L-1 havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 1003#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1000#L73 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 1001#L165 assume 0 != main_~tmp~0; 1100#L141 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1101#L556-1
[2018-12-02 22:02:33,089 INFO L796 eck$LassoCheckResult]: Loop: 1101#L556-1 assume !false; 1291#L841 assume test_~splverifierCounter~0 < 4; 1290#L842 test_~tmp~10 := test_#t~nondet61;havoc test_#t~nondet61; 1289#L850 assume !(0 != test_~tmp~10); 1287#L850-1 test_~tmp___0~3 := test_#t~nondet62;havoc test_#t~nondet62; 1228#L860 assume !(0 != test_~tmp___0~3); 1226#L860-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 1225#L870 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1109#L878-1 assume !(0 != ~pumpRunning~0); 990#L599 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 991#L657 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 1081#L631-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1082#L982-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1009#L987-1 isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; 1010#L777-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 1039#L777-5 isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; 1011#L783-1 processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; 1012#L635-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 1093#L606 havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 1296#L974 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 1294#L556 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 1101#L556-1
[2018-12-02 22:02:33,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-02 22:02:33,089 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2018-12-02 22:02:33,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-02 22:02:33,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-02 22:02:33,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:33,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-02 22:02:33,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:33,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-02 22:02:33,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1224409665, now seen corresponding path program 1 times
[2018-12-02 22:02:33,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-02 22:02:33,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-02 22:02:33,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:33,119 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-12-02 22:02:33,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:33,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-12-02 22:02:33,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1680480859, now seen corresponding path program 1 times
[2018-12-02 22:02:33,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-02 22:02:33,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-02 22:02:33,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:33,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-02 22:02:33,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-02 22:02:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-02 22:02:38,462 WARN L180 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 425 DAG size of output: 423
[2018-12-02 22:02:40,972 WARN L180 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 423
[2018-12-02 22:02:41,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 10:02:41 BoogieIcfgContainer
[2018-12-02 22:02:41,007 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2018-12-02 22:02:41,007 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2018-12-02 22:02:41,007 INFO L271 PluginConnector]: Initializing Witness Printer...
[2018-12-02 22:02:41,007 INFO L276 PluginConnector]: Witness Printer initialized
[2018-12-02 22:02:41,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:32" (3/4) ...
[2018-12-02 22:02:41,009 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample
[2018-12-02 22:02:41,050 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_36c6246d-429b-4c3f-96a4-018609c0be68/bin-2019/uautomizer/witness.graphml
[2018-12-02 22:02:41,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-12-02 22:02:41,051 INFO L168 Benchmark]: Toolchain (without parser) took 9275.98 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 950.6 MB in the beginning and 942.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 304.4 MB. Max. memory is 11.5 GB.
[2018-12-02 22:02:41,052 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-02 22:02:41,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB.
[2018-12-02 22:02:41,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.26 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB.
[2018-12-02 22:02:41,053 INFO L168 Benchmark]: Boogie Preprocessor took 26.36 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB.
[2018-12-02 22:02:41,054 INFO L168 Benchmark]: RCFGBuilder took 446.05 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: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB.
[2018-12-02 22:02:41,054 INFO L168 Benchmark]: BuchiAutomizer took 8406.74 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 942.0 MB in the end (delta: 74.1 MB). Peak memory consumption was 333.6 MB. Max. memory is 11.5 GB.
[2018-12-02 22:02:41,055 INFO L168 Benchmark]: Witness Printer took 43.39 ms. Allocated memory is still 1.3 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-02 22:02:41,057 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB.
* CACSL2BoogieTranslator took 305.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB.
* Boogie Procedure Inliner took 40.26 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB.
* Boogie Preprocessor took 26.36 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB.
* RCFGBuilder took 446.05 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: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB.
* BuchiAutomizer took 8406.74 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 942.0 MB in the end (delta: 74.1 MB). Peak memory consumption was 333.6 MB. Max. memory is 11.5 GB.
* Witness Printer took 43.39 ms. Allocated memory is still 1.3 GB. Free memory is still 942.0 MB. There was no memory consumed. 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 3 locations. The remainder module has 329 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 8.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 329 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 361 SDtfs, 320 SDslu, 248 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 840]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{}
State at position 1 is
{retValue_acc=1, NULL=0, NULL=0, retValue_acc=0, NULL=36, NULL=0, NULL=22, NULL=24, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f851062=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50f02350=0, tmp___0=0, NULL=0, NULL=39, NULL=0, retValue_acc=0, NULL=33, tmp___1=0, NULL=35, NULL=8, NULL=16, tmp___0=0, cleanupTimeShifts=4, NULL=15, NULL=27, NULL=38, NULL=20, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@472b00a=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ff47f64=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f70b754=0, NULL=18, \result=0, NULL=17, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=19, NULL=34, NULL=28, NULL=23, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62591921=0, NULL=0, NULL=0, \result=1, NULL=31, NULL=26, NULL=0, tmp=1, NULL=0, retValue_acc=1, tmp=0, tmp___0=0, tmp=1, retValue_acc=1, tmp___2=56, NULL=12, splverifierCounter=0, NULL=11, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@600207d5=0, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a0016a2=56, NULL=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@362758ec=0, NULL=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@430beae7=0, NULL=0, NULL=0, NULL=14, NULL=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L78] int cleanupTimeShifts = 4;
[L348] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L592] int pumpRunning = 0;
[L593] int systemActive = 1;
[L899] int waterLevel = 1;
[L900] int methaneLevelCritical = 0;
[L156] int retValue_acc ;
[L157] int tmp ;
[L69] int retValue_acc ;
[L72] retValue_acc = 1
[L73] return (retValue_acc);
[L163] tmp = valid_product()
[L165] COND TRUE \read(tmp)
[L831] int splverifierCounter ;
[L832] int tmp ;
[L833] int tmp___0 ;
[L834] int tmp___1 ;
[L835] int tmp___2 ;
[L838] splverifierCounter = 0
Loop:
[L840] COND TRUE 1
[L842] COND TRUE splverifierCounter < 4
[L848] tmp = __VERIFIER_nondet_int()
[L850] COND FALSE !(\read(tmp))
[L858] tmp___0 = __VERIFIER_nondet_int()
[L860] COND FALSE !(\read(tmp___0))
[L868] tmp___2 = __VERIFIER_nondet_int()
[L870] COND TRUE \read(tmp___2)
[L825] systemActive = 1
[L599] COND FALSE !(\read(pumpRunning))
[L606] COND TRUE \read(systemActive)
[L654] int tmp ;
[L657] COND FALSE !(\read(pumpRunning))
[L628] int tmp ;
[L631] COND TRUE ! pumpRunning
[L769] int retValue_acc ;
[L770] int tmp ;
[L771] int tmp___0 ;
[L979] int retValue_acc ;
[L982] COND TRUE waterLevel < 2
[L983] retValue_acc = 1
[L984] return (retValue_acc);
[L775] tmp = isHighWaterSensorDry()
[L777] COND TRUE \read(tmp)
[L778] tmp___0 = 0
[L782] retValue_acc = tmp___0
[L783] return (retValue_acc);
[L633] tmp = isHighWaterLevel()
[L635] COND FALSE !(\read(tmp))
[L549] int tmp ;
[L550] int tmp___0 ;
[L970] int retValue_acc ;
[L973] retValue_acc = waterLevel
[L974] return (retValue_acc);
[L554] tmp = getWaterLevel()
[L556] COND FALSE !(tmp == 0)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...