./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product27_false-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_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product27_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/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 1610387a50b580a3de8e20f991e711af2b541458 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:55:59,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:55:59,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:55:59,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:55:59,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:55:59,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:55:59,318 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:55:59,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:55:59,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:55:59,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:55:59,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:55:59,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:55:59,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:55:59,323 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:55:59,324 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:55:59,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:55:59,325 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:55:59,326 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:55:59,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:55:59,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:55:59,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:55:59,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:55:59,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:55:59,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:55:59,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:55:59,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:55:59,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:55:59,334 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:55:59,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:55:59,335 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:55:59,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:55:59,336 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:55:59,336 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:55:59,336 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:55:59,336 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:55:59,337 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:55:59,337 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:55:59,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:55:59,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:55:59,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:55:59,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:55:59,349 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:55:59,349 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:55:59,349 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:55:59,350 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:55:59,350 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:55:59,350 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:55:59,350 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:55:59,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:55:59,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:55:59,350 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:55:59,351 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:55:59,351 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:55:59,351 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:55:59,351 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:55:59,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:55:59,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:55:59,351 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:55:59,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:55:59,352 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:55:59,352 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:55:59,352 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:55:59,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:55:59,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:55:59,352 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:55:59,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:55:59,352 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:55:59,352 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:55:59,353 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:55:59,353 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_b68ae936-e587-4e57-aa1a-7e441d0a70b9/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 -> 1610387a50b580a3de8e20f991e711af2b541458 [2018-11-18 09:55:59,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:55:59,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:55:59,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:55:59,384 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:55:59,384 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:55:59,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product27_false-unreach-call_false-termination.cil.c [2018-11-18 09:55:59,420 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/data/275dda136/029d5ac4be1f4a6d9309065f03bac07c/FLAG0e5cdfa4d [2018-11-18 09:55:59,860 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:55:59,861 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/sv-benchmarks/c/product-lines/minepump_spec3_product27_false-unreach-call_false-termination.cil.c [2018-11-18 09:55:59,869 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/data/275dda136/029d5ac4be1f4a6d9309065f03bac07c/FLAG0e5cdfa4d [2018-11-18 09:55:59,878 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/data/275dda136/029d5ac4be1f4a6d9309065f03bac07c [2018-11-18 09:55:59,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:55:59,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:55:59,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:55:59,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:55:59,886 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:55:59,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:55:59" (1/1) ... [2018-11-18 09:55:59,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:55:59, skipping insertion in model container [2018-11-18 09:55:59,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:55:59" (1/1) ... [2018-11-18 09:55:59,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:55:59,922 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:56:00,106 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:56:00,115 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:56:00,239 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:56:00,261 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:56:00,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00 WrapperNode [2018-11-18 09:56:00,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:56:00,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:56:00,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:56:00,262 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:56:00,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:56:00,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:56:00,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:56:00,309 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:56:00,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... [2018-11-18 09:56:00,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:56:00,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:56:00,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:56:00,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:56:00,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/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 09:56:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:56:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:56:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:56:00,825 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:56:00,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:56:00 BoogieIcfgContainer [2018-11-18 09:56:00,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:56:00,827 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:56:00,827 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:56:00,829 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:56:00,829 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:56:00,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:55:59" (1/3) ... [2018-11-18 09:56:00,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c647655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:56:00, skipping insertion in model container [2018-11-18 09:56:00,830 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:56:00,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:00" (2/3) ... [2018-11-18 09:56:00,831 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c647655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:56:00, skipping insertion in model container [2018-11-18 09:56:00,831 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:56:00,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:56:00" (3/3) ... [2018-11-18 09:56:00,833 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product27_false-unreach-call_false-termination.cil.c [2018-11-18 09:56:00,864 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:56:00,865 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:56:00,865 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:56:00,865 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:56:00,865 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:56:00,865 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:56:00,865 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:56:00,866 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:56:00,866 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:56:00,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-18 09:56:00,893 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2018-11-18 09:56:00,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:56:00,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:56:00,901 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:00,901 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 09:56:00,901 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:56:00,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-18 09:56:00,905 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2018-11-18 09:56:00,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:56:00,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:56:00,906 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:00,906 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 09:56:00,911 INFO L794 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];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~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);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~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 4#L376true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 66#L369true 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; 25#L384true main_#t~ret73 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret73;havoc main_#t~ret73; 26#L926true assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 64#L903true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; 60#L55-3true [2018-11-18 09:56:00,911 INFO L796 eck$LassoCheckResult]: Loop: 60#L55-3true assume true; 85#L55-1true assume !false; 38#L56true assume test_~splverifierCounter~0 < 4; 115#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 15#L65true assume !(0 != test_~tmp~0); 11#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 45#L75true assume !(0 != test_~tmp___0~0); 35#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 95#L85true assume 0 != test_~tmp___2~0; 72#L91-2true assume { :begin_inline_timeShift } true; 28#L128true assume !(0 != ~pumpRunning~0); 8#L128-2true assume !(0 != ~systemActive~0); 56#L135-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 83#L798true __utac_acc__Specification3_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; 47#L317true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 31#L323-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 106#L145true assume { :end_inline_timeShift } true; 60#L55-3true [2018-11-18 09:56:00,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:00,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:56:00,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:00,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:00,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:00,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:00,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:01,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1027332197, now seen corresponding path program 1 times [2018-11-18 09:56:01,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:01,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:01,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:01,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:01,081 INFO L82 PathProgramCache]: Analyzing trace with hash 95650593, now seen corresponding path program 1 times [2018-11-18 09:56:01,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:01,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:01,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:01,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:56:01,200 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 09:56:01,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:56:01,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:56:01,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:56:01,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:56:01,272 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 6 states. [2018-11-18 09:56:01,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:56:01,443 INFO L93 Difference]: Finished difference Result 287 states and 368 transitions. [2018-11-18 09:56:01,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:56:01,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 287 states and 368 transitions. [2018-11-18 09:56:01,451 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 185 [2018-11-18 09:56:01,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 287 states to 257 states and 338 transitions. [2018-11-18 09:56:01,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 257 [2018-11-18 09:56:01,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 257 [2018-11-18 09:56:01,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 257 states and 338 transitions. [2018-11-18 09:56:01,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:56:01,460 INFO L705 BuchiCegarLoop]: Abstraction has 257 states and 338 transitions. [2018-11-18 09:56:01,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states and 338 transitions. [2018-11-18 09:56:01,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 161. [2018-11-18 09:56:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-18 09:56:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 212 transitions. [2018-11-18 09:56:01,486 INFO L728 BuchiCegarLoop]: Abstraction has 161 states and 212 transitions. [2018-11-18 09:56:01,486 INFO L608 BuchiCegarLoop]: Abstraction has 161 states and 212 transitions. [2018-11-18 09:56:01,486 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:56:01,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 212 transitions. [2018-11-18 09:56:01,488 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2018-11-18 09:56:01,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:56:01,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:56:01,489 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:01,489 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:01,490 INFO L794 eck$LassoCheckResult]: Stem: 510#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];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~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);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~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.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; 432#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 422#L376 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 423#L369 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; 455#L384 main_#t~ret73 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret73;havoc main_#t~ret73; 456#L926 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 457#L903 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; 494#L55-3 [2018-11-18 09:56:01,490 INFO L796 eck$LassoCheckResult]: Loop: 494#L55-3 assume true; 495#L55-1 assume !false; 473#L56 assume test_~splverifierCounter~0 < 4; 474#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 441#L65 assume !(0 != test_~tmp~0); 433#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 434#L75 assume !(0 != test_~tmp___0~0); 469#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 470#L85 assume 0 != test_~tmp___2~0; 489#L91-2 assume { :begin_inline_timeShift } true; 460#L128 assume !(0 != ~pumpRunning~0); 430#L128-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 431#L160 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 484#L152-1 assume { :end_inline_processEnvironment__wrappee__base } true; 485#L160-1 assume { :end_inline_processEnvironment } true; 491#L135-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 492#L798 __utac_acc__Specification3_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; 483#L317 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 461#L323-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 463#L145 assume { :end_inline_timeShift } true; 494#L55-3 [2018-11-18 09:56:01,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:01,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:56:01,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:01,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:01,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:01,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:01,538 INFO L82 PathProgramCache]: Analyzing trace with hash 644794674, now seen corresponding path program 1 times [2018-11-18 09:56:01,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:01,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:01,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,539 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:56:01,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:01,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1003203338, now seen corresponding path program 1 times [2018-11-18 09:56:01,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:01,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:01,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:01,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:56:01,609 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 09:56:01,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:56:01,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:56:01,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:56:01,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:56:01,697 INFO L87 Difference]: Start difference. First operand 161 states and 212 transitions. cyclomatic complexity: 54 Second operand 5 states. [2018-11-18 09:56:01,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:56:01,809 INFO L93 Difference]: Finished difference Result 559 states and 740 transitions. [2018-11-18 09:56:01,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:56:01,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 559 states and 740 transitions. [2018-11-18 09:56:01,818 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 424 [2018-11-18 09:56:01,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 559 states to 559 states and 740 transitions. [2018-11-18 09:56:01,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2018-11-18 09:56:01,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 559 [2018-11-18 09:56:01,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 559 states and 740 transitions. [2018-11-18 09:56:01,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:56:01,826 INFO L705 BuchiCegarLoop]: Abstraction has 559 states and 740 transitions. [2018-11-18 09:56:01,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states and 740 transitions. [2018-11-18 09:56:01,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 315. [2018-11-18 09:56:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-11-18 09:56:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 409 transitions. [2018-11-18 09:56:01,841 INFO L728 BuchiCegarLoop]: Abstraction has 315 states and 409 transitions. [2018-11-18 09:56:01,841 INFO L608 BuchiCegarLoop]: Abstraction has 315 states and 409 transitions. [2018-11-18 09:56:01,841 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:56:01,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 409 transitions. [2018-11-18 09:56:01,843 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 232 [2018-11-18 09:56:01,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:56:01,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:56:01,845 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:01,845 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:01,845 INFO L794 eck$LassoCheckResult]: Stem: 1264#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];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~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(21);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~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.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; 1170#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 1160#L376 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1161#L369 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; 1196#L384 main_#t~ret73 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret73;havoc main_#t~ret73; 1197#L926 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 1200#L903 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; 1242#L55-3 [2018-11-18 09:56:01,846 INFO L796 eck$LassoCheckResult]: Loop: 1242#L55-3 assume true; 1243#L55-1 assume !false; 1215#L56 assume test_~splverifierCounter~0 < 4; 1216#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1180#L65 assume !(0 != test_~tmp~0); 1171#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1172#L75 assume !(0 != test_~tmp___0~0); 1211#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1212#L85 assume 0 != test_~tmp___2~0; 1236#L91-2 assume { :begin_inline_timeShift } true; 1201#L128 assume !(0 != ~pumpRunning~0); 1168#L128-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1169#L160 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1249#L152-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1246#L160-1 assume { :end_inline_processEnvironment } true; 1247#L135-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 1263#L798 __utac_acc__Specification3_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; 1227#L317 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 1228#L830 __utac_acc__Specification3_spec__1_#t~ret25 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 1398#L323 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1399#L323-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1276#L145 assume { :end_inline_timeShift } true; 1242#L55-3 [2018-11-18 09:56:01,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:01,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 09:56:01,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:01,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:01,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:01,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:01,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1173642789, now seen corresponding path program 1 times [2018-11-18 09:56:01,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:01,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:01,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,886 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:56:01,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:01,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2004481815, now seen corresponding path program 1 times [2018-11-18 09:56:01,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:01,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:01,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:01,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:54,783 WARN L180 SmtUtils]: Spent 52.75 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:57:24,592 WARN L180 SmtUtils]: Spent 29.81 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:57:24,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:57:24 BoogieIcfgContainer [2018-11-18 09:57:24,650 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:57:24,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:57:24,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:57:24,650 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:57:24,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:56:00" (3/4) ... [2018-11-18 09:57:24,653 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:57:24,698 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b68ae936-e587-4e57-aa1a-7e441d0a70b9/bin-2019/uautomizer/witness.graphml [2018-11-18 09:57:24,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:57:24,699 INFO L168 Benchmark]: Toolchain (without parser) took 84817.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 956.6 MB in the beginning and 816.0 MB in the end (delta: 140.5 MB). Peak memory consumption was 372.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:24,699 INFO L168 Benchmark]: CDTParser took 0.14 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 09:57:24,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -196.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:24,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.83 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:24,701 INFO L168 Benchmark]: Boogie Preprocessor took 24.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:57:24,701 INFO L168 Benchmark]: RCFGBuilder took 492.40 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: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:24,701 INFO L168 Benchmark]: BuchiAutomizer took 83823.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 816.0 MB in the end (delta: 262.8 MB). Peak memory consumption was 327.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:24,702 INFO L168 Benchmark]: Witness Printer took 48.20 ms. Allocated memory is still 1.3 GB. Free memory is still 816.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:57:24,703 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 378.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -196.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.83 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 492.40 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: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 83823.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 816.0 MB in the end (delta: 262.8 MB). Peak memory consumption was 327.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.20 ms. Allocated memory is still 1.3 GB. Free memory is still 816.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 315 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 83.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 83.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 340 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 315 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 334 SDtfs, 1004 SDslu, 1360 SDs, 0 SdLazy, 87 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 55]: 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, "Env(Water:%i"=0, "libacc.c"=0, "On"=36, "i > 0 && i <= this->argsCount"=19, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30590662=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58fae67=164, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36b6665e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1be6f47e=0, ")"=40, "Env(Water:%i"=12, "libacc.c"=18, methaneLevelCritical=0, "Pump(System:"=37, "CRIT"=0, ",Meth:"=0, "CRIT"=8, tmp___1=0, "Pump(System:"=0, ") "=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@444c9b71=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49a4842e=0, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a116ea8=0, tmp=0, "libacc.c"=22, ",Pump:"=34, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, \result=1, ",Pump:"=0, "i > 0 && i <= this->argsCount"=16, "Off"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "Off"=35, "On"=0, "libacc.c"=26, tmp___0=0, "libacc.c"=0, "__utac__get_this_argtype"=14, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, retValue_acc=0, \result=1, "Off"=31, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=23, "__utac__get_this_argtype"=17, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e0abc46=0, ",Meth:"=11, "OK"=0, "On"=0, tmp=1, "__utac__get_this_arg"=0, "Off"=0, "__utac__get_this_arg"=24, retValue_acc=1, "\n"=28, ")"=0, retValue_acc=1, tmp___2=164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@490727e9=0, splverifierCounter=0, "libacc.c"=0, \result=0, "OK"=39, "libacc.c"=15, tmp=0, tmp___1=0, head=0, ") "=0, "On"=33, "\n"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=20} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L240] FCALL "Pump(System:" [L244] FCALL "On" [L248] FCALL "Off" [L252] FCALL ",Pump:" [L256] FCALL "On" [L260] FCALL "Off" [L264] FCALL ") " [L266] FCALL "\n" [L686] FCALL "i > 0 && i <= this->argsCount" [L686] FCALL "libacc.c" [L687] FCALL "__utac__get_this_arg" [L693] FCALL "i > 0 && i <= this->argsCount" [L693] FCALL "libacc.c" [L694] FCALL "__utac__get_this_arg" [L732] FCALL "i > 0 && i <= this->argsCount" [L732] FCALL "libacc.c" [L733] FCALL "__utac__get_this_argtype" [L739] FCALL "i > 0 && i <= this->argsCount" [L739] FCALL "libacc.c" [L740] FCALL "__utac__get_this_argtype" [L807] FCALL "Env(Water:%i" [L808] FCALL ",Meth:" [L812] FCALL "CRIT" [L816] FCALL "OK" [L820] FCALL ")" [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L755] int waterLevel = 1; [L756] int methaneLevelCritical = 0; [L844] int cleanupTimeShifts = 4; [L558] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L917] int retValue_acc ; [L918] int tmp ; [L922] FCALL select_helpers() [L923] FCALL select_features() [L924] CALL, EXPR valid_product() [L380] int retValue_acc ; [L383] retValue_acc = 1 [L384] RET return (retValue_acc); [L924] EXPR valid_product() [L924] tmp = valid_product() [L926] COND TRUE \read(tmp) [L928] FCALL setup() [L929] CALL runTest() [L911] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L128] COND FALSE !(\read(pumpRunning)) [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L157] int tmp ; [L160] COND FALSE !(\read(pumpRunning)) [L175] RET, FCALL processEnvironment__wrappee__base() [L137] processEnvironment() [L143] CALL __utac_acc__Specification3_spec__1() [L309] int tmp ; [L310] int tmp___0 ; [L311] int tmp___1 ; [L315] CALL, EXPR isMethaneLevelCritical() [L794] int retValue_acc ; [L797] retValue_acc = methaneLevelCritical [L798] RET return (retValue_acc); [L315] EXPR isMethaneLevelCritical() [L315] tmp = isMethaneLevelCritical() [L317] COND FALSE !(\read(tmp)) [L321] CALL, EXPR getWaterLevel() [L826] int retValue_acc ; [L829] retValue_acc = waterLevel [L830] RET return (retValue_acc); [L321] EXPR getWaterLevel() [L321] tmp___0 = getWaterLevel() [L323] COND FALSE, RET !(tmp___0 == 2) [L143] RET __utac_acc__Specification3_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...