./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 ............................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 12:00:06,854 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:00:06,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:00:06,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:00:06,866 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:00:06,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:00:06,868 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:00:06,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:00:06,871 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:00:06,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:00:06,872 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:00:06,872 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:00:06,873 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:00:06,874 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:00:06,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:00:06,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:00:06,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:00:06,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:00:06,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:00:06,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:00:06,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:00:06,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:00:06,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:00:06,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:00:06,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:00:06,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:00:06,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:00:06,887 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:00:06,888 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:00:06,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:00:06,889 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:00:06,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:00:06,890 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:00:06,890 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:00:06,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:00:06,891 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:00:06,892 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:00:06,904 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:00:06,905 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:00:06,906 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:00:06,906 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:00:06,906 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:00:06,907 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:00:06,907 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:00:06,907 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:00:06,907 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:00:06,907 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:00:06,907 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:00:06,908 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:00:06,908 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:00:06,908 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:00:06,908 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:00:06,908 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:00:06,908 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:00:06,908 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:00:06,909 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:00:06,909 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:00:06,909 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:00:06,909 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:00:06,909 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:00:06,909 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:00:06,910 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:00:06,910 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:00:06,910 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:00:06,910 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:00:06,910 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:00:06,910 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:00:06,911 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:00:06,911 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:00:06,912 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_b252a111-fdda-4750-ba8d-c45753321ddf/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2018-11-28 12:00:06,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:00:06,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:00:06,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:00:06,955 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:00:06,955 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:00:06,956 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-11-28 12:00:07,010 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/data/ea19c6d51/3c7d633c55d945b481e339f1ba998700/FLAG007545d59 [2018-11-28 12:00:07,390 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:00:07,391 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-11-28 12:00:07,397 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/data/ea19c6d51/3c7d633c55d945b481e339f1ba998700/FLAG007545d59 [2018-11-28 12:00:07,409 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/data/ea19c6d51/3c7d633c55d945b481e339f1ba998700 [2018-11-28 12:00:07,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:00:07,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:00:07,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:00:07,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:00:07,416 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:00:07,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07, skipping insertion in model container [2018-11-28 12:00:07,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:00:07,455 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:00:07,653 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:00:07,664 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:00:07,770 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:00:07,788 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:00:07,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07 WrapperNode [2018-11-28 12:00:07,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:00:07,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:00:07,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:00:07,789 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:00:07,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:00:07,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:00:07,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:00:07,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:00:07,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... [2018-11-28 12:00:07,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:00:07,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:00:07,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:00:07,844 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:00:07,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/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 [2018-11-28 12:00:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:00:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:00:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:00:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:00:08,317 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:00:08,317 INFO L280 CfgBuilder]: Removed 104 assue(true) statements. [2018-11-28 12:00:08,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:08 BoogieIcfgContainer [2018-11-28 12:00:08,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:00:08,318 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:00:08,318 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:00:08,321 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:00:08,324 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:08,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:00:07" (1/3) ... [2018-11-28 12:00:08,325 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dfb9d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:00:08, skipping insertion in model container [2018-11-28 12:00:08,325 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:08,325 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:07" (2/3) ... [2018-11-28 12:00:08,325 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dfb9d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:00:08, skipping insertion in model container [2018-11-28 12:00:08,325 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:08,325 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:08" (3/3) ... [2018-11-28 12:00:08,327 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-11-28 12:00:08,371 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:00:08,372 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:00:08,372 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:00:08,372 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:00:08,372 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:00:08,372 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:00:08,372 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:00:08,372 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:00:08,373 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:00:08,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-28 12:00:08,404 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-28 12:00:08,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:08,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:08,412 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:08,412 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:08,412 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:00:08,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-28 12:00:08,415 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-28 12:00:08,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:08,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:08,416 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:08,416 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:08,421 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 57#L107true 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; 51#L115true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 64#L301true assume 0 != main_~tmp~1; 54#L276true ~methAndRunningLastTime~0 := 0; 42#L49true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 40#L60-1true [2018-11-28 12:00:08,422 INFO L796 eck$LassoCheckResult]: Loop: 40#L60-1true assume !false; 55#L703true assume test_~splverifierCounter~0 < 4; 74#L704true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 78#L712true assume !(0 != test_~tmp~5); 79#L712-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 59#L722true assume !(0 != test_~tmp___0~1); 63#L722-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 30#L732true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 38#L740-1true assume !(0 != ~pumpRunning~0); 70#L770true assume !(0 != ~systemActive~0); 56#L777true havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 25#L169true __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 45#L60true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 40#L60-1true [2018-11-28 12:00:08,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:08,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 12:00:08,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:08,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:08,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:08,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:08,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:08,596 INFO L82 PathProgramCache]: Analyzing trace with hash 12142292, now seen corresponding path program 1 times [2018-11-28 12:00:08,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:08,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:08,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:08,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:00:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:00:08,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:00:08,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:00:08,639 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:00:08,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:00:08,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:00:08,650 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2018-11-28 12:00:08,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:00:08,701 INFO L93 Difference]: Finished difference Result 149 states and 211 transitions. [2018-11-28 12:00:08,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:00:08,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 211 transitions. [2018-11-28 12:00:08,708 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2018-11-28 12:00:08,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 135 states and 196 transitions. [2018-11-28 12:00:08,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2018-11-28 12:00:08,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2018-11-28 12:00:08,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 196 transitions. [2018-11-28 12:00:08,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:00:08,717 INFO L705 BuchiCegarLoop]: Abstraction has 135 states and 196 transitions. [2018-11-28 12:00:08,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 196 transitions. [2018-11-28 12:00:08,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2018-11-28 12:00:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-28 12:00:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 193 transitions. [2018-11-28 12:00:08,749 INFO L728 BuchiCegarLoop]: Abstraction has 133 states and 193 transitions. [2018-11-28 12:00:08,749 INFO L608 BuchiCegarLoop]: Abstraction has 133 states and 193 transitions. [2018-11-28 12:00:08,749 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:00:08,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 193 transitions. [2018-11-28 12:00:08,752 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2018-11-28 12:00:08,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:08,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:08,753 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:08,753 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:08,753 INFO L794 eck$LassoCheckResult]: Stem: 270#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 250#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 251#L107 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; 302#L115 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 303#L301 assume 0 != main_~tmp~1; 306#L276 ~methAndRunningLastTime~0 := 0; 290#L49 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 255#L60-1 [2018-11-28 12:00:08,754 INFO L796 eck$LassoCheckResult]: Loop: 255#L60-1 assume !false; 289#L703 assume test_~splverifierCounter~0 < 4; 307#L704 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 368#L712 assume !(0 != test_~tmp~5); 324#L712-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 325#L722 assume !(0 != test_~tmp___0~1); 312#L722-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 277#L732 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 279#L740-1 assume !(0 != ~pumpRunning~0); 282#L770 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 292#L802 assume !(0 != ~pumpRunning~0); 294#L777 havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 268#L169 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 269#L60 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 255#L60-1 [2018-11-28 12:00:08,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:08,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 12:00:08,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:08,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:08,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:08,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:08,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:08,816 INFO L82 PathProgramCache]: Analyzing trace with hash 349417953, now seen corresponding path program 1 times [2018-11-28 12:00:08,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:08,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:08,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,817 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:00:08,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:08,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:08,829 INFO L82 PathProgramCache]: Analyzing trace with hash 411805863, now seen corresponding path program 1 times [2018-11-28 12:00:08,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:08,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:08,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:08,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:14,639 WARN L180 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 12:00:17,352 WARN L180 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 12:00:17,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:00:17 BoogieIcfgContainer [2018-11-28 12:00:17,389 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:00:17,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:00:17,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:00:17,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:00:17,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:08" (3/4) ... [2018-11-28 12:00:17,392 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:00:17,426 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b252a111-fdda-4750-ba8d-c45753321ddf/bin-2019/uautomizer/witness.graphml [2018-11-28 12:00:17,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:00:17,427 INFO L168 Benchmark]: Toolchain (without parser) took 10015.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -75.5 MB). Peak memory consumption was 243.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:17,428 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-28 12:00:17,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:17,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.58 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:17,429 INFO L168 Benchmark]: Boogie Preprocessor took 19.51 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. [2018-11-28 12:00:17,429 INFO L168 Benchmark]: RCFGBuilder took 473.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:17,429 INFO L168 Benchmark]: BuchiAutomizer took 9070.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.9 MB). Peak memory consumption was 352.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:17,431 INFO L168 Benchmark]: Witness Printer took 37.53 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:00:17,432 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 375.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.58 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.51 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 473.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9070.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.9 MB). Peak memory consumption was 352.2 MB. Max. memory is 11.5 GB. * Witness Printer took 37.53 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 133 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 133 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 108 SDtfs, 104 SDslu, 95 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 702]: 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 {NULL=0, NULL=0, NULL=0, NULL=29, NULL=0, NULL=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c39c76b=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=11, NULL=26, methaneLevelCritical=0, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a0b2ac0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@649d0f89=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@457b6a99=0, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d7e04b2=0, tmp=0, NULL=20, NULL=0, NULL=38, NULL=0, NULL=27, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@196ed2db=0, cleanupTimeShifts=4, NULL=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51c71805=0, NULL=15, NULL=28, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=19, NULL=0, NULL=12, retValue_acc=0, NULL=0, NULL=18, NULL=17, NULL=0, NULL=0, NULL=34, \result=1, head=0, pumpRunning=0, \result=0, NULL=0, NULL=24, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=22, tmp___0=0, retValue_acc=1, tmp___2=56, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6363fc7a=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=39, NULL=8, head=0, tmp=0, NULL=36, NULL=0, tmp=0, NULL=31, NULL=23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int methAndRunningLastTime ; [L126] int waterLevel = 1; [L127] int methaneLevelCritical = 0; [L215] int cleanupTimeShifts = 4; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; [L292] int retValue_acc ; [L293] int tmp ; [L111] int retValue_acc ; [L114] retValue_acc = 1 [L115] return (retValue_acc); [L299] tmp = valid_product() [L301] COND TRUE \read(tmp) [L48] methAndRunningLastTime = 0 [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L933] systemActive = 1 [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L799] int tmp ; [L802] COND FALSE !(\read(pumpRunning)) [L53] int tmp ; [L54] int tmp___0 ; [L165] int retValue_acc ; [L168] retValue_acc = methaneLevelCritical [L169] return (retValue_acc); [L58] tmp = isMethaneLevelCritical() [L60] COND FALSE !(\read(tmp)) [L76] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...