./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03_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_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/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 7d22266300e6cd9ced6ad4763303b2f8762682aa .................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:48:09,496 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:48:09,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:48:09,504 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:48:09,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:48:09,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:48:09,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:48:09,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:48:09,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:48:09,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:48:09,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:48:09,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:48:09,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:48:09,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:48:09,510 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:48:09,511 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:48:09,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:48:09,512 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:48:09,514 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:48:09,515 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:48:09,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:48:09,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:48:09,518 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:48:09,518 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:48:09,518 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:48:09,519 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:48:09,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:48:09,520 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:48:09,521 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:48:09,522 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:48:09,522 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:48:09,522 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:48:09,522 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:48:09,523 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:48:09,523 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:48:09,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:48:09,524 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:48:09,535 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:48:09,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:48:09,535 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:48:09,536 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:48:09,536 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:48:09,536 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:48:09,536 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:48:09,536 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:48:09,536 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:48:09,536 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:48:09,537 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:48:09,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:48:09,537 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:48:09,537 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:48:09,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:48:09,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:48:09,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:48:09,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:48:09,537 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:48:09,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:48:09,538 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:48:09,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:48:09,538 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:48:09,538 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:48:09,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:48:09,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:48:09,538 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:48:09,538 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:48:09,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:48:09,539 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:48:09,539 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:48:09,539 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:48:09,539 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_31b8c6bd-d104-461c-b683-657596ee8528/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 -> 7d22266300e6cd9ced6ad4763303b2f8762682aa [2018-11-18 12:48:09,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:48:09,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:48:09,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:48:09,577 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:48:09,577 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:48:09,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-18 12:48:09,621 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/data/485d139d4/40e9192611214f5791142caa2e3f1f88/FLAGc5e9bc2ef [2018-11-18 12:48:09,946 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:48:09,947 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/sv-benchmarks/c/product-lines/minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-18 12:48:09,955 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/data/485d139d4/40e9192611214f5791142caa2e3f1f88/FLAGc5e9bc2ef [2018-11-18 12:48:09,965 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/data/485d139d4/40e9192611214f5791142caa2e3f1f88 [2018-11-18 12:48:09,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:48:09,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:48:09,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:48:09,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:48:09,970 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:48:09,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:48:09" (1/1) ... [2018-11-18 12:48:09,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:09, skipping insertion in model container [2018-11-18 12:48:09,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:48:09" (1/1) ... [2018-11-18 12:48:09,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:48:10,006 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:48:10,177 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:48:10,184 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:48:10,274 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:48:10,290 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:48:10,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10 WrapperNode [2018-11-18 12:48:10,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:48:10,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:48:10,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:48:10,291 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:48:10,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:48:10,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:48:10,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:48:10,321 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:48:10,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... [2018-11-18 12:48:10,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:48:10,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:48:10,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:48:10,338 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:48:10,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/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 12:48:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:48:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:48:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:48:10,786 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:48:10,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:48:10 BoogieIcfgContainer [2018-11-18 12:48:10,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:48:10,787 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:48:10,787 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:48:10,790 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:48:10,790 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:48:10,790 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:48:09" (1/3) ... [2018-11-18 12:48:10,791 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6968317b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:48:10, skipping insertion in model container [2018-11-18 12:48:10,792 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:48:10,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:48:10" (2/3) ... [2018-11-18 12:48:10,792 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6968317b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:48:10, skipping insertion in model container [2018-11-18 12:48:10,792 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:48:10,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:48:10" (3/3) ... [2018-11-18 12:48:10,794 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product03_true-unreach-call_false-termination.cil.c [2018-11-18 12:48:10,827 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:48:10,828 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:48:10,828 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:48:10,828 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:48:10,828 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:48:10,828 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:48:10,828 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:48:10,828 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:48:10,828 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:48:10,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 12:48:10,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 12:48:10,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:48:10,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:48:10,862 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:48:10,862 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:48:10,862 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:48:10,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 12:48:10,867 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 12:48:10,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:48:10,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:48:10,868 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:48:10,868 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:48:10,871 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(13);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 110];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 44];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 80];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 117];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 109];#memory_int := #memory_int[#t~string48.base,4 + #t~string48.offset := 112];#memory_int := #memory_int[#t~string48.base,5 + #t~string48.offset := 58];#memory_int := #memory_int[#t~string48.base,6 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 110];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,3 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 41];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 32];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 10];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 77];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 101];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 116];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 104];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 67];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 82];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 73];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 84];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 75];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 39#L440true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 61#L433true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 76#L448true main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 8#L844true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 78#L821true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 19#L468-3true [2018-11-18 12:48:10,872 INFO L796 eck$LassoCheckResult]: Loop: 19#L468-3true assume true; 16#L468-1true assume !false; 47#L469true assume test_~splverifierCounter~0 < 4; 74#L470true test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 79#L478true assume !(0 != test_~tmp~3); 80#L478-2true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 55#L488true assume !(0 != test_~tmp___0~0); 63#L488-2true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 33#L498true assume 0 != test_~tmp___2~0; 11#L504-2true assume { :begin_inline_timeShift } true; 81#L540true assume !(0 != ~pumpRunning~0); 83#L540-2true assume !(0 != ~systemActive~0); 70#L547-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret67, __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 21#L731true __utac_acc__Specification4_spec__1_#t~ret67 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret67;havoc __utac_acc__Specification4_spec__1_#t~ret67; 57#L744true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 60#L744-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 40#L557true assume { :end_inline_timeShift } true; 19#L468-3true [2018-11-18 12:48:10,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:10,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:48:10,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:48:10,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:48:10,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:10,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:10,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:11,038 INFO L82 PathProgramCache]: Analyzing trace with hash 169425203, now seen corresponding path program 1 times [2018-11-18 12:48:11,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:48:11,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:48:11,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:11,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:11,051 INFO L82 PathProgramCache]: Analyzing trace with hash -762256401, now seen corresponding path program 1 times [2018-11-18 12:48:11,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:48:11,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:48:11,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:11,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:11,166 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 12:48:11,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:48:11,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:48:11,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:48:11,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:48:11,240 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2018-11-18 12:48:11,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:48:11,429 INFO L93 Difference]: Finished difference Result 215 states and 269 transitions. [2018-11-18 12:48:11,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:48:11,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 269 transitions. [2018-11-18 12:48:11,435 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 137 [2018-11-18 12:48:11,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 185 states and 239 transitions. [2018-11-18 12:48:11,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2018-11-18 12:48:11,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2018-11-18 12:48:11,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 239 transitions. [2018-11-18 12:48:11,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:48:11,443 INFO L705 BuchiCegarLoop]: Abstraction has 185 states and 239 transitions. [2018-11-18 12:48:11,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 239 transitions. [2018-11-18 12:48:11,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 122. [2018-11-18 12:48:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 12:48:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions. [2018-11-18 12:48:11,473 INFO L728 BuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2018-11-18 12:48:11,473 INFO L608 BuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2018-11-18 12:48:11,473 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:48:11,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 158 transitions. [2018-11-18 12:48:11,475 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2018-11-18 12:48:11,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:48:11,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:48:11,475 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:48:11,475 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 12:48:11,476 INFO L794 eck$LassoCheckResult]: Stem: 354#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(13);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 110];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 44];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 80];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 117];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 109];#memory_int := #memory_int[#t~string48.base,4 + #t~string48.offset := 112];#memory_int := #memory_int[#t~string48.base,5 + #t~string48.offset := 58];#memory_int := #memory_int[#t~string48.base,6 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 110];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,3 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 41];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 32];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 10];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 77];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 101];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 116];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 104];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 67];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 82];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 73];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 84];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 75];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 335#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 336#L440 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 364#L433 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 380#L448 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 325#L844 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 326#L821 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 341#L468-3 [2018-11-18 12:48:11,476 INFO L796 eck$LassoCheckResult]: Loop: 341#L468-3 assume true; 337#L468-1 assume !false; 338#L469 assume test_~splverifierCounter~0 < 4; 371#L470 test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 382#L478 assume !(0 != test_~tmp~3); 370#L478-2 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 376#L488 assume !(0 != test_~tmp___0~0); 378#L488-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 359#L498 assume 0 != test_~tmp___2~0; 322#L504-2 assume { :begin_inline_timeShift } true; 328#L540 assume !(0 != ~pumpRunning~0); 334#L540-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 352#L564 assume { :end_inline_processEnvironment } true; 353#L547-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret67, __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 343#L731 __utac_acc__Specification4_spec__1_#t~ret67 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret67;havoc __utac_acc__Specification4_spec__1_#t~ret67; 344#L744 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 379#L744-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 365#L557 assume { :end_inline_timeShift } true; 341#L468-3 [2018-11-18 12:48:11,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:11,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:48:11,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:48:11,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:48:11,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:11,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:11,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1585293662, now seen corresponding path program 1 times [2018-11-18 12:48:11,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:48:11,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:48:11,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,524 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:48:11,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:48:11,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1527032286, now seen corresponding path program 1 times [2018-11-18 12:48:11,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:48:11,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:48:11,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:48:11,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:48:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:48:42,080 WARN L180 SmtUtils]: Spent 30.45 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:49:02,745 WARN L180 SmtUtils]: Spent 20.66 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:49:02,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:49:02 BoogieIcfgContainer [2018-11-18 12:49:02,805 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:49:02,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:49:02,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:49:02,805 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:49:02,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:48:10" (3/4) ... [2018-11-18 12:49:02,808 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:49:02,851 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_31b8c6bd-d104-461c-b683-657596ee8528/bin-2019/uautomizer/witness.graphml [2018-11-18 12:49:02,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:49:02,852 INFO L168 Benchmark]: Toolchain (without parser) took 52885.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 956.6 MB in the beginning and 871.2 MB in the end (delta: 85.3 MB). Peak memory consumption was 315.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:49:02,853 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:49:02,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -200.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:49:02,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:49:02,854 INFO L168 Benchmark]: Boogie Preprocessor took 16.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:49:02,854 INFO L168 Benchmark]: RCFGBuilder took 449.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:49:02,855 INFO L168 Benchmark]: BuchiAutomizer took 52017.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 871.2 MB in the end (delta: 220.1 MB). Peak memory consumption was 283.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:49:02,855 INFO L168 Benchmark]: Witness Printer took 46.61 ms. Allocated memory is still 1.3 GB. Free memory is still 871.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:49:02,859 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -200.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 449.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 52017.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 871.2 MB in the end (delta: 220.1 MB). Peak memory consumption was 283.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.61 ms. Allocated memory is still 1.3 GB. Free memory is still 871.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 6 locations. The remainder module has 122 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 51.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 51.6s. Construction of modules took 0.1s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 122 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 93 SDtfs, 341 SDslu, 577 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 468]: 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, "OK"=0, "CRIT"=0, "Off"=0, "Off"=39, "On"=0, ",Meth:"=0, "Pump(System:"=0, retValue_acc=0, "OK"=29, "\n"=34, methaneLevelCritical=0, tmp=0, ")"=0, tmp___1=0, "__utac__get_this_argtype"=22, "__utac__get_this_arg"=26, "__utac__get_this_arg"=8, "libacc.c"=23, tmp___0=0, cleanupTimeShifts=4, "libacc.c"=19, "Pump(System:"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a445db5=0, "On"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6433a4e3=151, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44e4783d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68a07517=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=33, "On"=17, ") "=0, tmp___0=0, "Off"=0, "On"=0, ",Meth:"=31, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fafddd1=0, "\n"=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, \result=0, "Off"=36, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, ")"=40, tmp=1, "i > 0 && i <= this->argsCount"=0, ",Pump:"=38, retValue_acc=1, "libacc.c"=27, tmp=1, retValue_acc=1, tmp___2=151, "i > 0 && i <= this->argsCount"=20, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@803a6d6=0, head=0, "libacc.c"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=24, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=18, "libacc.c"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bb0dde4=0, "CRIT"=28, ") "=35, ",Pump:"=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 468]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L346] FCALL "i > 0 && i <= this->argsCount" [L346] FCALL "libacc.c" [L347] FCALL "__utac__get_this_arg" [L353] FCALL "i > 0 && i <= this->argsCount" [L353] FCALL "libacc.c" [L354] FCALL "__utac__get_this_arg" [L392] FCALL "i > 0 && i <= this->argsCount" [L392] FCALL "libacc.c" [L393] FCALL "__utac__get_this_argtype" [L399] FCALL "i > 0 && i <= this->argsCount" [L399] FCALL "libacc.c" [L400] FCALL "__utac__get_this_argtype" [L608] FCALL "Pump(System:" [L612] FCALL "On" [L616] FCALL "Off" [L620] FCALL ",Pump:" [L624] FCALL "On" [L628] FCALL "Off" [L632] FCALL ") " [L634] FCALL "\n" [L708] FCALL "Env(Water:%i" [L709] FCALL ",Meth:" [L713] FCALL "CRIT" [L717] FCALL "OK" [L721] FCALL ")" [L532] int pumpRunning = 0; [L533] int systemActive = 1; [L656] int waterLevel = 1; [L657] int methaneLevelCritical = 0; [L762] int cleanupTimeShifts = 4; [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L835] int retValue_acc ; [L836] int tmp ; [L840] FCALL select_helpers() [L841] FCALL select_features() [L842] CALL, EXPR valid_product() [L444] int retValue_acc ; [L447] retValue_acc = 1 [L448] RET return (retValue_acc); [L842] EXPR valid_product() [L842] tmp = valid_product() [L844] COND TRUE \read(tmp) [L846] FCALL setup() [L847] CALL runTest() [L829] CALL test() [L459] int splverifierCounter ; [L460] int tmp ; [L461] int tmp___0 ; [L462] int tmp___1 ; [L463] int tmp___2 ; [L466] splverifierCounter = 0 Loop: [L468] COND TRUE 1 [L470] COND TRUE splverifierCounter < 4 [L476] tmp = __VERIFIER_nondet_int() [L478] COND FALSE !(\read(tmp)) [L486] tmp___0 = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp___0)) [L496] tmp___2 = __VERIFIER_nondet_int() [L498] COND TRUE \read(tmp___2) [L513] CALL timeShift() [L540] COND FALSE !(\read(pumpRunning)) [L547] COND TRUE \read(systemActive) [L549] FCALL processEnvironment() [L555] CALL __utac_acc__Specification4_spec__1() [L737] int tmp ; [L738] int tmp___0 ; [L742] CALL, EXPR getWaterLevel() [L727] int retValue_acc ; [L730] retValue_acc = waterLevel [L731] RET return (retValue_acc); [L742] EXPR getWaterLevel() [L742] tmp = getWaterLevel() [L744] COND FALSE, RET !(tmp == 0) [L555] RET __utac_acc__Specification4_spec__1() [L513] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...