./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/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 3d4424fd56eee579c48980b036d65ad5b2d9388e ................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 15:49:09,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:49:09,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:49:09,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:49:09,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:49:09,448 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:49:09,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:49:09,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:49:09,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:49:09,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:49:09,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:49:09,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:49:09,453 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:49:09,454 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:49:09,455 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:49:09,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:49:09,456 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:49:09,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:49:09,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:49:09,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:49:09,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:49:09,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:49:09,463 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:49:09,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:49:09,464 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:49:09,464 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:49:09,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:49:09,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:49:09,466 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:49:09,467 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:49:09,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:49:09,468 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:49:09,468 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:49:09,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:49:09,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:49:09,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:49:09,470 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:49:09,481 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:49:09,482 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:49:09,482 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:49:09,483 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:49:09,483 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:49:09,483 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:49:09,483 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:49:09,484 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:49:09,484 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:49:09,484 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:49:09,484 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:49:09,484 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:49:09,484 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:49:09,484 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:49:09,484 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:49:09,485 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:49:09,485 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:49:09,485 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:49:09,485 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:49:09,485 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:49:09,485 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:49:09,485 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:49:09,485 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:49:09,486 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:49:09,486 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:49:09,486 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:49:09,486 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:49:09,486 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:49:09,486 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:49:09,486 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:49:09,486 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:49:09,487 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:49:09,487 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_e6814396-ae97-4b5e-9983-99c156af6214/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 -> 3d4424fd56eee579c48980b036d65ad5b2d9388e [2018-11-18 15:49:09,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:49:09,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:49:09,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:49:09,522 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:49:09,522 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:49:09,523 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:09,562 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/data/b4810cf87/d3d928c32b71464380f127253d1726e2/FLAGe0695178d [2018-11-18 15:49:09,986 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:49:09,987 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:09,993 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/data/b4810cf87/d3d928c32b71464380f127253d1726e2/FLAGe0695178d [2018-11-18 15:49:10,001 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/data/b4810cf87/d3d928c32b71464380f127253d1726e2 [2018-11-18 15:49:10,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:49:10,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:49:10,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:10,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:49:10,008 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:49:10,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10, skipping insertion in model container [2018-11-18 15:49:10,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:49:10,046 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:49:10,215 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:10,224 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:49:10,323 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:10,342 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:49:10,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10 WrapperNode [2018-11-18 15:49:10,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:10,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:10,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:49:10,344 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:49:10,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:10,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:49:10,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:49:10,376 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:49:10,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:49:10,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:49:10,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:49:10,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:49:10,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/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 [2018-11-18 15:49:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:49:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:49:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:49:10,834 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:49:10,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:10 BoogieIcfgContainer [2018-11-18 15:49:10,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:49:10,835 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:49:10,835 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:49:10,837 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:49:10,838 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:49:10,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:49:10" (1/3) ... [2018-11-18 15:49:10,839 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7183a7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:49:10, skipping insertion in model container [2018-11-18 15:49:10,839 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:49:10,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (2/3) ... [2018-11-18 15:49:10,839 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7183a7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:49:10, skipping insertion in model container [2018-11-18 15:49:10,839 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:49:10,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:10" (3/3) ... [2018-11-18 15:49:10,841 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:10,873 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:49:10,874 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:49:10,874 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:49:10,874 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:49:10,874 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:49:10,874 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:49:10,874 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:49:10,874 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:49:10,874 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:49:10,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-18 15:49:10,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-18 15:49:10,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:49:10,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:49:10,911 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:10,911 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:10,911 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:49:10,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-18 15:49:10,915 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-18 15:49:10,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:49:10,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:49:10,916 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:10,916 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:10,920 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 21#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 14#L73true main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 80#L657true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 6#L632true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 43#L172true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, 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; 65#L799-3true [2018-11-18 15:49:10,920 INFO L796 eck$LassoCheckResult]: Loop: 65#L799-3true assume true; 62#L799-1true assume !false; 11#L800true assume test_~splverifierCounter~0 < 4; 34#L801true test_~tmp~5 := test_#t~nondet66;havoc test_#t~nondet66; 38#L809true assume !(0 != test_~tmp~5); 44#L809-2true test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 20#L819true assume !(0 != test_~tmp___0~1); 23#L819-2true test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 78#L829true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 81#L785true assume { :end_inline_startSystem } true; 5#L837-2true assume { :begin_inline_timeShift } true; 39#L681true assume !(0 != ~pumpRunning~0); 45#L681-2true assume !(0 != ~systemActive~0); 54#L688-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __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;assume { :begin_inline_isMethaneLevelCritical } true;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; 19#L127true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 46#L183true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 42#L183-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 26#L698true assume { :end_inline_timeShift } true; 65#L799-3true [2018-11-18 15:49:10,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:10,925 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:49:10,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:10,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:10,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:10,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:10,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,190 INFO L82 PathProgramCache]: Analyzing trace with hash 295689529, now seen corresponding path program 1 times [2018-11-18 15:49:11,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:11,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:11,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:11,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:49:11,244 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 15:49:11,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:49:11,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:49:11,260 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 3 states. [2018-11-18 15:49:11,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:11,293 INFO L93 Difference]: Finished difference Result 79 states and 99 transitions. [2018-11-18 15:49:11,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:49:11,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 99 transitions. [2018-11-18 15:49:11,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-18 15:49:11,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 69 states and 88 transitions. [2018-11-18 15:49:11,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2018-11-18 15:49:11,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2018-11-18 15:49:11,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 88 transitions. [2018-11-18 15:49:11,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:49:11,305 INFO L705 BuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2018-11-18 15:49:11,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 88 transitions. [2018-11-18 15:49:11,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-18 15:49:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-18 15:49:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2018-11-18 15:49:11,327 INFO L728 BuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2018-11-18 15:49:11,327 INFO L608 BuchiCegarLoop]: Abstraction has 69 states and 88 transitions. [2018-11-18 15:49:11,327 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:49:11,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 88 transitions. [2018-11-18 15:49:11,328 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-18 15:49:11,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:49:11,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:49:11,329 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:11,329 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] [2018-11-18 15:49:11,329 INFO L794 eck$LassoCheckResult]: Stem: 222#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 198#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 172#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 173#L73 main_#t~ret48 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 191#L657 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 177#L632 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 178#L172 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, 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; 205#L799-3 [2018-11-18 15:49:11,329 INFO L796 eck$LassoCheckResult]: Loop: 205#L799-3 assume true; 232#L799-1 assume !false; 186#L800 assume test_~splverifierCounter~0 < 4; 187#L801 test_~tmp~5 := test_#t~nondet66;havoc test_#t~nondet66; 216#L809 assume !(0 != test_~tmp~5); 206#L809-2 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 199#L819 assume !(0 != test_~tmp___0~1); 201#L819-2 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 202#L829 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet69;havoc test_#t~nondet69; 203#L837 assume 0 != test_~tmp___1~0; 174#L837-2 assume { :begin_inline_timeShift } true; 175#L681 assume !(0 != ~pumpRunning~0); 219#L681-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 181#L705 assume { :end_inline_processEnvironment } true; 182#L688-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __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;assume { :begin_inline_isMethaneLevelCritical } true;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; 195#L127 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 196#L183 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 213#L183-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 204#L698 assume { :end_inline_timeShift } true; 205#L799-3 [2018-11-18 15:49:11,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,330 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:49:11,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:11,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1623903356, now seen corresponding path program 1 times [2018-11-18 15:49:11,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,449 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:49:11,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1241315597, now seen corresponding path program 1 times [2018-11-18 15:49:11,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:11,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:57,923 WARN L180 SmtUtils]: Spent 46.26 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:50:24,901 WARN L180 SmtUtils]: Spent 26.97 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:50:24,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:50:24 BoogieIcfgContainer [2018-11-18 15:50:24,970 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:50:24,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:50:24,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:50:24,971 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:50:24,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:10" (3/4) ... [2018-11-18 15:50:24,975 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:50:25,020 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6814396-ae97-4b5e-9983-99c156af6214/bin-2019/uautomizer/witness.graphml [2018-11-18 15:50:25,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:50:25,021 INFO L168 Benchmark]: Toolchain (without parser) took 75017.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.6 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -279.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:50:25,022 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:50:25,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:25,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.53 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:25,023 INFO L168 Benchmark]: Boogie Preprocessor took 17.30 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:25,023 INFO L168 Benchmark]: RCFGBuilder took 440.65 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: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:25,025 INFO L168 Benchmark]: BuchiAutomizer took 74135.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 121.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.2 MB). Peak memory consumption was 329.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:25,025 INFO L168 Benchmark]: Witness Printer took 49.97 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:50:25,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.53 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.30 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 440.65 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: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 74135.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 121.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -164.2 MB). Peak memory consumption was 329.1 MB. Max. memory is 11.5 GB. * Witness Printer took 49.97 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 74.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 73.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 96 SDtfs, 94 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 799]: 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, ")"=16, "Off"=35, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2639986e=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "Off"=0, ") "=39, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c274e99=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59ac1735=0, "OK"=15, "\n"=0, tmp=0, "libacc.c"=26, "__utac__get_this_arg"=19, "Env(Water:%i"=12, tmp___1=43, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, "__utac__get_this_arg"=23, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=20, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=27, "__utac__get_this_argtype"=31, "On"=34, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, retValue_acc=0, ")"=0, "libacc.c"=29, "Off"=0, ",Pump:"=0, "On"=0, ",Meth:"=14, \result=1, head=0, pumpRunning=0, ",Pump:"=36, \result=0, tmp=1, "__utac__get_this_arg"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c33ee86=43, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23744cf4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27cb8cdc=0, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49d84ecf=0, tmp___0=0, "Off"=38, retValue_acc=1, tmp___2=0, tmp___0=0, splverifierCounter=0, "On"=0, methAndRunningLastTime=0, \result=0, "CRIT"=8, "On"=37, head=0, "libacc.c"=18, tmp=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=28, "i > 0 && i <= this->argsCount"=24, "\n"=40, "Pump(System:"=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 799]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L136] FCALL "Env(Water:%i" [L137] FCALL ",Meth:" [L141] FCALL "CRIT" [L145] FCALL "OK" [L149] FCALL ")" [L502] FCALL "i > 0 && i <= this->argsCount" [L502] FCALL "libacc.c" [L503] FCALL "__utac__get_this_arg" [L509] FCALL "i > 0 && i <= this->argsCount" [L509] FCALL "libacc.c" [L510] FCALL "__utac__get_this_arg" [L548] FCALL "i > 0 && i <= this->argsCount" [L548] FCALL "libacc.c" [L549] FCALL "__utac__get_this_argtype" [L555] FCALL "i > 0 && i <= this->argsCount" [L555] FCALL "libacc.c" [L556] FCALL "__utac__get_this_argtype" [L749] FCALL "Pump(System:" [L753] FCALL "On" [L757] FCALL "Off" [L761] FCALL ",Pump:" [L765] FCALL "On" [L769] FCALL "Off" [L773] FCALL ") " [L775] FCALL "\n" [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L166] int methAndRunningLastTime ; [L571] int cleanupTimeShifts = 4; [L674] int pumpRunning = 0; [L675] int systemActive = 1; [L374] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L648] int retValue_acc ; [L649] int tmp ; [L653] FCALL select_helpers() [L654] FCALL select_features() [L655] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L655] EXPR valid_product() [L655] tmp = valid_product() [L657] COND TRUE \read(tmp) [L659] FCALL setup() [L660] CALL runTest() [L641] CALL __utac_acc__Specification2_spec__1() [L171] RET methAndRunningLastTime = 0 [L641] __utac_acc__Specification2_spec__1() [L642] CALL test() [L790] int splverifierCounter ; [L791] int tmp ; [L792] int tmp___0 ; [L793] int tmp___1 ; [L794] int tmp___2 ; [L797] splverifierCounter = 0 Loop: [L799] COND TRUE 1 [L801] COND TRUE splverifierCounter < 4 [L807] tmp = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp)) [L817] tmp___0 = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp___0)) [L827] tmp___2 = __VERIFIER_nondet_int() [L829] COND FALSE !(\read(tmp___2)) [L835] tmp___1 = __VERIFIER_nondet_int() [L837] COND TRUE \read(tmp___1) [L844] CALL timeShift() [L681] COND FALSE !(\read(pumpRunning)) [L688] COND TRUE \read(systemActive) [L690] FCALL processEnvironment() [L696] CALL __utac_acc__Specification2_spec__2() [L176] int tmp ; [L177] int tmp___0 ; [L181] CALL, EXPR isMethaneLevelCritical() [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] RET return (retValue_acc); [L181] EXPR isMethaneLevelCritical() [L181] tmp = isMethaneLevelCritical() [L183] COND FALSE !(\read(tmp)) [L199] RET methAndRunningLastTime = 0 [L696] RET __utac_acc__Specification2_spec__2() [L844] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...