./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01_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_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/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 9c952fe0d024abd1f77bec8afb960521fbb4c1bf ........................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:34:28,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,244 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,253 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,253 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,254 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,255 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,256 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,257 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,259 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,260 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,261 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,263 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,271 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,272 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,273 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,275 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,276 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,276 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,277 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,278 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,278 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:28,289 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,290 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,291 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,291 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,291 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,291 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:28,291 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:28,291 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:28,291 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:28,292 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:28,292 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:28,293 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:28,293 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,293 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,293 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:28,293 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,293 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:28,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,293 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,293 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:28,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,294 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,294 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:28,296 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:28,296 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_c47d1b57-4c23-4146-9666-73ae4739b08a/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 -> 9c952fe0d024abd1f77bec8afb960521fbb4c1bf [2018-11-18 08:34:28,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:28,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:28,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:28,329 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:28,329 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:28,330 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product01_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,369 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/data/d0ece35eb/d0ed41b01cb644b68dbf4c7fe1778d6d/FLAG648715245 [2018-11-18 08:34:28,765 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:28,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/sv-benchmarks/c/product-lines/minepump_spec2_product01_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,775 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/data/d0ece35eb/d0ed41b01cb644b68dbf4c7fe1778d6d/FLAG648715245 [2018-11-18 08:34:28,785 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/data/d0ece35eb/d0ed41b01cb644b68dbf4c7fe1778d6d [2018-11-18 08:34:28,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:28,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:28,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:28,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:28,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:28,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:28" (1/1) ... [2018-11-18 08:34:28,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa2d8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:28, skipping insertion in model container [2018-11-18 08:34:28,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:28" (1/1) ... [2018-11-18 08:34:28,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:28,829 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,010 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,019 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,125 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,143 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:29,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:29,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,212 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/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 08:34:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:29,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:29,708 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:29,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29 BoogieIcfgContainer [2018-11-18 08:34:29,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:29,709 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:29,709 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:29,711 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:29,712 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:29,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:28" (1/3) ... [2018-11-18 08:34:29,713 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1723d3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,713 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:29,713 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:29,713 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1723d3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,713 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:29,713 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29" (3/3) ... [2018-11-18 08:34:29,714 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product01_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,759 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:29,759 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:29,759 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:29,759 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:29,760 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:29,760 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:29,760 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:29,760 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:29,760 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:29,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 08:34:29,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2018-11-18 08:34:29,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:29,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:29,803 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:29,803 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 08:34:29,803 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:29,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 08:34:29,806 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2018-11-18 08:34:29,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:29,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:29,807 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:29,807 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 08:34:29,812 INFO L794 eck$LassoCheckResult]: Stem: 38#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(3);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 79];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 110];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 44];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 80];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 117];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 109];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 112];#memory_int := #memory_int[#t~string8.base,5 + #t~string8.offset := 58];#memory_int := #memory_int[#t~string8.base,6 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 41];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 32];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 10];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 0];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(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 42#L249true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 33#L242true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 61#L257true main_#t~ret22 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret22;havoc main_#t~ret22; 82#L346true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 7#L321true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 67#L367true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 29#L169-3true [2018-11-18 08:34:29,813 INFO L796 eck$LassoCheckResult]: Loop: 29#L169-3true assume true; 35#L169-1true assume !false; 75#L170true assume test_~splverifierCounter~0 < 4; 18#L171true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 10#L179true assume !(0 != test_~tmp~0); 5#L179-2true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 72#L189true assume !(0 != test_~tmp___0~0); 71#L189-2true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 49#L199true assume 0 != test_~tmp___2~0; 39#L205-2true assume { :begin_inline_timeShift } true; 63#L56true assume !(0 != ~pumpRunning~0); 60#L56-2true assume !(0 != ~systemActive~0); 37#L63-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret23, __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 73#L810true __utac_acc__Specification2_spec__2_#t~ret23 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret23;havoc __utac_acc__Specification2_spec__2_#t~ret23; 65#L378true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 43#L378-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 11#L73true assume { :end_inline_timeShift } true; 29#L169-3true [2018-11-18 08:34:29,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:29,819 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 08:34:29,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:29,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:29,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:29,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:29,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:29,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:29,981 INFO L82 PathProgramCache]: Analyzing trace with hash 2054183163, now seen corresponding path program 1 times [2018-11-18 08:34:29,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:29,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:29,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:29,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:29,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:29,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:29,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1318241586, now seen corresponding path program 1 times [2018-11-18 08:34:29,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:29,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:29,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:29,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:29,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,129 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 08:34:30,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:30,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:30,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:30,206 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2018-11-18 08:34:30,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,346 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2018-11-18 08:34:30,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:30,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 97 transitions. [2018-11-18 08:34:30,352 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2018-11-18 08:34:30,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 68 states and 87 transitions. [2018-11-18 08:34:30,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2018-11-18 08:34:30,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2018-11-18 08:34:30,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 87 transitions. [2018-11-18 08:34:30,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:30,359 INFO L705 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-11-18 08:34:30,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 87 transitions. [2018-11-18 08:34:30,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-18 08:34:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-18 08:34:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2018-11-18 08:34:30,382 INFO L728 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-11-18 08:34:30,382 INFO L608 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-11-18 08:34:30,382 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:30,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 87 transitions. [2018-11-18 08:34:30,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2018-11-18 08:34:30,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,384 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,384 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 08:34:30,384 INFO L794 eck$LassoCheckResult]: Stem: 218#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(3);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 79];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 110];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 44];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 80];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 117];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 109];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 112];#memory_int := #memory_int[#t~string8.base,5 + #t~string8.offset := 58];#memory_int := #memory_int[#t~string8.base,6 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 41];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 32];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 10];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 0];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(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 197#L249 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 213#L242 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 214#L257 main_#t~ret22 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret22;havoc main_#t~ret22; 238#L346 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 187#L321 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 188#L367 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 193#L169-3 [2018-11-18 08:34:30,384 INFO L796 eck$LassoCheckResult]: Loop: 193#L169-3 assume true; 209#L169-1 assume !false; 215#L170 assume test_~splverifierCounter~0 < 4; 199#L171 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 190#L179 assume !(0 != test_~tmp~0); 181#L179-2 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 182#L189 assume !(0 != test_~tmp___0~0); 204#L189-2 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 232#L199 assume 0 != test_~tmp___2~0; 219#L205-2 assume { :begin_inline_timeShift } true; 220#L56 assume !(0 != ~pumpRunning~0); 224#L56-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 179#L80 assume { :end_inline_processEnvironment } true; 180#L63-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret23, __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 217#L810 __utac_acc__Specification2_spec__2_#t~ret23 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret23;havoc __utac_acc__Specification2_spec__2_#t~ret23; 241#L378 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 195#L378-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 192#L73 assume { :end_inline_timeShift } true; 193#L169-3 [2018-11-18 08:34:30,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,385 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 08:34:30,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,427 INFO L82 PathProgramCache]: Analyzing trace with hash -116930471, now seen corresponding path program 1 times [2018-11-18 08:34:30,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,428 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:30,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1456282878, now seen corresponding path program 1 times [2018-11-18 08:34:30,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:05,903 WARN L180 SmtUtils]: Spent 35.35 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 08:35:19,999 WARN L180 SmtUtils]: Spent 14.09 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 08:35:20,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:35:20 BoogieIcfgContainer [2018-11-18 08:35:20,064 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:35:20,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:35:20,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:35:20,065 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:35:20,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29" (3/4) ... [2018-11-18 08:35:20,067 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:35:20,111 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c47d1b57-4c23-4146-9666-73ae4739b08a/bin-2019/uautomizer/witness.graphml [2018-11-18 08:35:20,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:35:20,112 INFO L168 Benchmark]: Toolchain (without parser) took 51324.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 955.4 MB in the beginning and 882.0 MB in the end (delta: 73.3 MB). Peak memory consumption was 296.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:20,113 INFO L168 Benchmark]: CDTParser took 0.17 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 08:35:20,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:20,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.98 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:20,114 INFO L168 Benchmark]: Boogie Preprocessor took 22.87 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:20,114 INFO L168 Benchmark]: RCFGBuilder took 496.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:20,114 INFO L168 Benchmark]: BuchiAutomizer took 50355.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 887.6 MB in the end (delta: 179.4 MB). Peak memory consumption was 287.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:20,115 INFO L168 Benchmark]: Witness Printer took 47.29 ms. Allocated memory is still 1.3 GB. Free memory was 887.6 MB in the beginning and 882.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:20,117 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 355.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.98 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.87 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 496.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 50355.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 887.6 MB in the end (delta: 179.4 MB). Peak memory consumption was 287.2 MB. Max. memory is 11.5 GB. * Witness Printer took 47.29 ms. Allocated memory is still 1.3 GB. Free memory was 887.6 MB in the beginning and 882.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 68 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 50.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 50.0s. 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 68 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 281 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 169]: 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, "libacc.c"=0, "On"=26, "i > 0 && i <= this->argsCount"=39, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=17, retValue_acc=0, "libacc.c"=0, "__utac__get_this_arg"=0, "Env(Water:%i"=0, ",Meth:"=35, "i > 0 && i <= this->argsCount"=0, "libacc.c"=38, methaneLevelCritical=0, ",Pump:"=27, "CRIT"=0, ")"=0, "OK"=0, "Pump(System:"=29, tmp___1=0, "On"=0, ",Pump:"=0, "Off"=0, "Pump(System:"=0, cleanupTimeShifts=4, tmp=0, "__utac__get_this_arg"=18, ") "=23, "libacc.c"=11, NULL=0, systemActive=1, waterLevel=1, ")"=33, ") "=0, "Off"=0, retValue_acc=0, "Off"=24, "On"=0, "libacc.c"=16, "libacc.c"=19, "__utac__get_this_argtype"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9bc3bb=0, "On"=28, \result=1, head=0, pumpRunning=0, "__utac__get_this_argtype"=37, \result=0, "i > 0 && i <= this->argsCount"=14, tmp=1, "\n"=0, "__utac__get_this_arg"=15, retValue_acc=1, "OK"=31, "Env(Water:%i"=36, tmp___2=154, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, "Off"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bca7db8=154, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@172dc852=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4602fe8c=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28e813fa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fa9b227=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dba1198=0, "\n"=22, "i > 0 && i <= this->argsCount"=20, "__utac__get_this_argtype"=12, "__utac__get_this_arg"=0, tmp=0, "CRIT"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 169]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L124] FCALL "Pump(System:" [L128] FCALL "On" [L132] FCALL "Off" [L136] FCALL ",Pump:" [L140] FCALL "On" [L144] FCALL "Off" [L148] FCALL ") " [L150] FCALL "\n" [L697] FCALL "i > 0 && i <= this->argsCount" [L697] FCALL "libacc.c" [L698] FCALL "__utac__get_this_arg" [L704] FCALL "i > 0 && i <= this->argsCount" [L704] FCALL "libacc.c" [L705] FCALL "__utac__get_this_arg" [L743] FCALL "i > 0 && i <= this->argsCount" [L743] FCALL "libacc.c" [L744] FCALL "__utac__get_this_argtype" [L750] FCALL "i > 0 && i <= this->argsCount" [L750] FCALL "libacc.c" [L751] FCALL "__utac__get_this_argtype" [L819] FCALL "Env(Water:%i" [L820] FCALL ",Meth:" [L824] FCALL "CRIT" [L828] FCALL "OK" [L832] FCALL ")" [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L262] int cleanupTimeShifts = 4; [L361] int methAndRunningLastTime ; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; [L569] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L337] int retValue_acc ; [L338] int tmp ; [L342] FCALL select_helpers() [L343] FCALL select_features() [L344] CALL, EXPR valid_product() [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] RET return (retValue_acc); [L344] EXPR valid_product() [L344] tmp = valid_product() [L346] COND TRUE \read(tmp) [L348] FCALL setup() [L349] CALL runTest() [L330] CALL __utac_acc__Specification2_spec__1() [L366] RET methAndRunningLastTime = 0 [L330] __utac_acc__Specification2_spec__1() [L331] CALL test() [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 Loop: [L169] COND TRUE 1 [L171] COND TRUE splverifierCounter < 4 [L177] tmp = __VERIFIER_nondet_int() [L179] COND FALSE !(\read(tmp)) [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) [L212] CALL timeShift() [L56] COND FALSE !(\read(pumpRunning)) [L63] COND TRUE \read(systemActive) [L65] FCALL processEnvironment() [L71] CALL __utac_acc__Specification2_spec__2() [L371] int tmp ; [L372] int tmp___0 ; [L376] CALL, EXPR isMethaneLevelCritical() [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] RET return (retValue_acc); [L376] EXPR isMethaneLevelCritical() [L376] tmp = isMethaneLevelCritical() [L378] COND FALSE !(\read(tmp)) [L394] RET methAndRunningLastTime = 0 [L71] RET __utac_acc__Specification2_spec__2() [L212] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...