./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product32_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_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product32_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/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 c2361d4ced817ad36e50edb6a8752f3651639931 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:32:31,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:32:31,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:32:31,293 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:32:31,293 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:32:31,294 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:32:31,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:32:31,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:32:31,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:32:31,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:32:31,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:32:31,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:32:31,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:32:31,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:32:31,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:32:31,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:32:31,304 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:32:31,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:32:31,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:32:31,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:32:31,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:32:31,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:32:31,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:32:31,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:32:31,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:32:31,314 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:32:31,315 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:32:31,316 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:32:31,317 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:32:31,318 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:32:31,318 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:32:31,319 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:32:31,319 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:32:31,319 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:32:31,320 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:32:31,321 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:32:31,322 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:32:31,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:32:31,334 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:32:31,335 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:32:31,335 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:32:31,335 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:32:31,335 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:32:31,336 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:32:31,336 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:32:31,336 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:32:31,336 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:32:31,336 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:32:31,337 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:32:31,337 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:32:31,338 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:32:31,338 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:32:31,338 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:32:31,338 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:32:31,338 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:32:31,338 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:32:31,339 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:32:31,339 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:32:31,339 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:32:31,340 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:32:31,340 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:32:31,340 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:32:31,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:32:31,340 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:32:31,340 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:32:31,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:32:31,341 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:32:31,341 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:32:31,342 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:32:31,342 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_7688dd27-3487-4af6-9d20-486b91bde352/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 -> c2361d4ced817ad36e50edb6a8752f3651639931 [2018-11-18 15:32:31,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:32:31,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:32:31,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:32:31,386 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:32:31,387 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:32:31,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product32_false-unreach-call_false-termination.cil.c [2018-11-18 15:32:31,477 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/data/92760dd7e/c688671fa83849878a8a327fe91c9b13/FLAG812210def [2018-11-18 15:32:31,911 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:32:31,911 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/sv-benchmarks/c/product-lines/minepump_spec3_product32_false-unreach-call_false-termination.cil.c [2018-11-18 15:32:31,921 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/data/92760dd7e/c688671fa83849878a8a327fe91c9b13/FLAG812210def [2018-11-18 15:32:32,276 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/data/92760dd7e/c688671fa83849878a8a327fe91c9b13 [2018-11-18 15:32:32,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:32:32,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:32:32,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:32:32,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:32:32,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:32:32,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5674190a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32, skipping insertion in model container [2018-11-18 15:32:32,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:32:32,341 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:32:32,649 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:32:32,669 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:32:32,738 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:32:32,761 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:32:32,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32 WrapperNode [2018-11-18 15:32:32,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:32:32,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:32:32,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:32:32,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:32:32,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:32:32,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:32:32,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:32:32,874 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:32:32,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... [2018-11-18 15:32:32,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:32:32,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:32:32,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:32:32,903 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:32:32,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:32:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:32:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:32:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:32:33,753 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:32:33,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:32:33 BoogieIcfgContainer [2018-11-18 15:32:33,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:32:33,754 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:32:33,754 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:32:33,757 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:32:33,757 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:32:33,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:32:32" (1/3) ... [2018-11-18 15:32:33,758 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37a61b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:32:33, skipping insertion in model container [2018-11-18 15:32:33,759 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:32:33,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:32:32" (2/3) ... [2018-11-18 15:32:33,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37a61b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:32:33, skipping insertion in model container [2018-11-18 15:32:33,759 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:32:33,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:32:33" (3/3) ... [2018-11-18 15:32:33,761 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product32_false-unreach-call_false-termination.cil.c [2018-11-18 15:32:33,802 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:32:33,803 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:32:33,803 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:32:33,803 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:32:33,803 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:32:33,803 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:32:33,804 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:32:33,804 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:32:33,804 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:32:33,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 15:32:33,838 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2018-11-18 15:32:33,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:32:33,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:32:33,845 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:33,845 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:33,845 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:32:33,845 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 15:32:33,850 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2018-11-18 15:32:33,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:32:33,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:32:33,852 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:33,852 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:33,856 INFO L794 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 73#L873true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 5#L866true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 109#L881true main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret60;havoc main_#t~ret60; 37#L802true assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 126#L776true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 35#L422-3true [2018-11-18 15:32:33,856 INFO L796 eck$LassoCheckResult]: Loop: 35#L422-3true assume true; 57#L422-1true assume !false; 160#L423true assume test_~splverifierCounter~0 < 4; 102#L424true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 132#L432true assume !(0 != test_~tmp~3); 121#L432-2true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 18#L442true assume !(0 != test_~tmp___0~0); 4#L442-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 59#L452true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 153#L704true assume { :end_inline_startSystem } true; 97#L460-2true assume { :begin_inline_timeShift } true; 17#L497true assume !(0 != ~pumpRunning~0); 19#L497-2true assume !(0 != ~systemActive~0); 89#L504-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_#t~ret62, __utac_acc__Specification3_spec__1_#t~ret63, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;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~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 23#L929-1true __utac_acc__Specification3_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; 117#L826true assume 0 != __utac_acc__Specification3_spec__1_~tmp~9; 71#L832-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 149#L514true assume { :end_inline_timeShift } true; 35#L422-3true [2018-11-18 15:32:33,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:33,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 15:32:33,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:32:33,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:32:33,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:33,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:33,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:34,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:34,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1523227771, now seen corresponding path program 1 times [2018-11-18 15:32:34,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:32:34,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:32:34,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:34,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:34,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:32:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:32:34,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:32:34,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:32:34,112 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 15:32:34,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:32:34,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:32:34,126 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 3 states. [2018-11-18 15:32:34,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:32:34,223 INFO L93 Difference]: Finished difference Result 311 states and 403 transitions. [2018-11-18 15:32:34,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:32:34,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 403 transitions. [2018-11-18 15:32:34,236 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 204 [2018-11-18 15:32:34,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 291 states and 382 transitions. [2018-11-18 15:32:34,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 291 [2018-11-18 15:32:34,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 291 [2018-11-18 15:32:34,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 291 states and 382 transitions. [2018-11-18 15:32:34,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:32:34,247 INFO L705 BuchiCegarLoop]: Abstraction has 291 states and 382 transitions. [2018-11-18 15:32:34,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states and 382 transitions. [2018-11-18 15:32:34,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 288. [2018-11-18 15:32:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-11-18 15:32:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 378 transitions. [2018-11-18 15:32:34,278 INFO L728 BuchiCegarLoop]: Abstraction has 288 states and 378 transitions. [2018-11-18 15:32:34,278 INFO L608 BuchiCegarLoop]: Abstraction has 288 states and 378 transitions. [2018-11-18 15:32:34,278 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:32:34,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 288 states and 378 transitions. [2018-11-18 15:32:34,280 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2018-11-18 15:32:34,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:32:34,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:32:34,281 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:34,281 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, 1] [2018-11-18 15:32:34,281 INFO L794 eck$LassoCheckResult]: Stem: 635#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 503#L873 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 488#L866 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 489#L881 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret60;havoc main_#t~ret60; 546#L802 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 547#L776 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 636#L422-3 [2018-11-18 15:32:34,287 INFO L796 eck$LassoCheckResult]: Loop: 636#L422-3 assume true; 673#L422-1 assume !false; 654#L423 assume test_~splverifierCounter~0 < 4; 616#L424 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 617#L432 assume !(0 != test_~tmp~3); 535#L432-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 513#L442 assume !(0 != test_~tmp___0~0); 486#L442-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 487#L452 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 577#L704 assume { :end_inline_startSystem } true; 607#L460-2 assume { :begin_inline_timeShift } true; 510#L497 assume !(0 != ~pumpRunning~0); 511#L497-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 491#L555 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret39, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 492#L529-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 572#L521-3 assume { :end_inline_processEnvironment__wrappee__base } true; 566#L529-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 500#L555-1 assume { :end_inline_processEnvironment } true; 501#L504-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_#t~ret62, __utac_acc__Specification3_spec__1_#t~ret63, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;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~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 519#L929-1 __utac_acc__Specification3_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; 520#L826 assume 0 != __utac_acc__Specification3_spec__1_~tmp~9; 587#L832-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 590#L514 assume { :end_inline_timeShift } true; 636#L422-3 [2018-11-18 15:32:34,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:34,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 15:32:34,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:32:34,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:32:34,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:34,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:34,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:34,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:34,372 INFO L82 PathProgramCache]: Analyzing trace with hash 896208975, now seen corresponding path program 1 times [2018-11-18 15:32:34,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:32:34,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:32:34,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:34,373 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:32:34,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:34,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:34,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1158594059, now seen corresponding path program 1 times [2018-11-18 15:32:34,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:32:34,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:32:34,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:34,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:34,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:32:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:32:34,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:32:34,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:32:34,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:32:34,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:32:34,633 INFO L87 Difference]: Start difference. First operand 288 states and 378 transitions. cyclomatic complexity: 93 Second operand 5 states. [2018-11-18 15:32:35,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:32:35,064 INFO L93 Difference]: Finished difference Result 1035 states and 1361 transitions. [2018-11-18 15:32:35,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:32:35,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1035 states and 1361 transitions. [2018-11-18 15:32:35,079 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 756 [2018-11-18 15:32:35,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1035 states to 1035 states and 1361 transitions. [2018-11-18 15:32:35,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1035 [2018-11-18 15:32:35,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1035 [2018-11-18 15:32:35,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1361 transitions. [2018-11-18 15:32:35,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:32:35,099 INFO L705 BuchiCegarLoop]: Abstraction has 1035 states and 1361 transitions. [2018-11-18 15:32:35,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1361 transitions. [2018-11-18 15:32:35,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 569. [2018-11-18 15:32:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2018-11-18 15:32:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 741 transitions. [2018-11-18 15:32:35,128 INFO L728 BuchiCegarLoop]: Abstraction has 569 states and 741 transitions. [2018-11-18 15:32:35,128 INFO L608 BuchiCegarLoop]: Abstraction has 569 states and 741 transitions. [2018-11-18 15:32:35,128 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 15:32:35,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 569 states and 741 transitions. [2018-11-18 15:32:35,131 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 402 [2018-11-18 15:32:35,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:32:35,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:32:35,132 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:32:35,132 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, 1, 1, 1] [2018-11-18 15:32:35,132 INFO L794 eck$LassoCheckResult]: Stem: 1987#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1843#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 1844#L873 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1829#L866 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1830#L881 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret60;havoc main_#t~ret60; 1888#L802 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 1889#L776 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1884#L422-3 [2018-11-18 15:32:35,133 INFO L796 eck$LassoCheckResult]: Loop: 1884#L422-3 assume true; 1885#L422-1 assume !false; 1914#L423 assume test_~splverifierCounter~0 < 4; 1966#L424 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 1967#L432 assume !(0 != test_~tmp~3); 1877#L432-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 1854#L442 assume !(0 != test_~tmp___0~0); 1856#L442-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 2158#L452 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1916#L704 assume { :end_inline_startSystem } true; 2004#L460-2 assume { :begin_inline_timeShift } true; 2136#L497 assume !(0 != ~pumpRunning~0); 1857#L497-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1832#L555 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret39, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1833#L529-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1911#L521-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1906#L529-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1841#L555-1 assume { :end_inline_processEnvironment } true; 1842#L504-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_#t~ret62, __utac_acc__Specification3_spec__1_#t~ret63, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;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~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 1948#L929-1 __utac_acc__Specification3_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; 1980#L826 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1981#L961 __utac_acc__Specification3_spec__1_#t~ret62 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret62;havoc __utac_acc__Specification3_spec__1_#t~ret62; 2087#L832 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 2088#L832-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2002#L514 assume { :end_inline_timeShift } true; 1884#L422-3 [2018-11-18 15:32:35,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:35,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 15:32:35,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:32:35,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:32:35,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:35,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:35,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:35,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:35,172 INFO L82 PathProgramCache]: Analyzing trace with hash -2030348126, now seen corresponding path program 1 times [2018-11-18 15:32:35,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:32:35,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:32:35,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:35,173 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:32:35,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:35,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:32:35,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1013614430, now seen corresponding path program 1 times [2018-11-18 15:32:35,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:32:35,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:32:35,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:35,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:32:35,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:32:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:32:35,460 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-11-18 15:33:20,032 WARN L180 SmtUtils]: Spent 44.53 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 15:33:48,479 WARN L180 SmtUtils]: Spent 28.45 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 15:33:48,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:33:48 BoogieIcfgContainer [2018-11-18 15:33:48,542 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:33:48,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:33:48,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:33:48,542 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:33:48,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:32:33" (3/4) ... [2018-11-18 15:33:48,545 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:33:48,599 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7688dd27-3487-4af6-9d20-486b91bde352/bin-2019/uautomizer/witness.graphml [2018-11-18 15:33:48,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:33:48,600 INFO L168 Benchmark]: Toolchain (without parser) took 76320.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 959.8 MB in the beginning and 944.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 157.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:33:48,600 INFO L168 Benchmark]: CDTParser took 0.19 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 15:33:48,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.38 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 932.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:33:48,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 932.9 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:33:48,601 INFO L168 Benchmark]: Boogie Preprocessor took 28.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:33:48,602 INFO L168 Benchmark]: RCFGBuilder took 850.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:33:48,602 INFO L168 Benchmark]: BuchiAutomizer took 74787.90 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 32.0 MB). Free memory was 1.0 GB in the beginning and 948.7 MB in the end (delta: 88.9 MB). Peak memory consumption was 202.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:33:48,602 INFO L168 Benchmark]: Witness Printer took 57.40 ms. Allocated memory is still 1.2 GB. Free memory was 948.7 MB in the beginning and 944.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:33:48,604 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 480.38 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 932.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 932.9 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 850.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 74787.90 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 32.0 MB). Free memory was 1.0 GB in the beginning and 948.7 MB in the end (delta: 88.9 MB). Peak memory consumption was 202.8 MB. Max. memory is 11.5 GB. * Witness Printer took 57.40 ms. Allocated memory is still 1.2 GB. Free memory was 948.7 MB in the beginning and 944.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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 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 5 locations. The remainder module has 569 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 74.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 73.9s. Construction of modules took 0.3s. 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, 469 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 569 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 512 SDtfs, 930 SDslu, 1109 SDs, 0 SdLazy, 93 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 422]: 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, "On"=0, retValue_acc=1, "On"=35, "Pump(System:"=0, retValue_acc=0, "OK"=39, ") "=27, methaneLevelCritical=0, tmp=0, ",Meth:"=0, "Env(Water:%i"=0, ",Meth:"=8, tmp___1=0, "__utac__get_this_argtype"=20, "__utac__get_this_arg"=24, "__utac__get_this_arg"=11, "libacc.c"=22, cleanupTimeShifts=4, "libacc.c"=17, ",Pump:"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@771f1afe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb80f3f=170, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@234615ff=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a17bf58=0, tmp___0=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72cda419=0, "\n"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@108bef72=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a1deae=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1aef3e1c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@194619e8=0, "Pump(System:"=36, "Off"=0, tmp___0=0, "On"=0, ",Pump:"=0, "\n"=0, ") "=0, \result=1, "i > 0 && i <= this->argsCount"=15, head=0, pumpRunning=0, \result=0, "On"=31, "i > 0 && i <= this->argsCount"=12, ")"=40, "libacc.c"=0, "Env(Water:%i"=37, "CRIT"=0, tmp=1, "i > 0 && i <= this->argsCount"=0, "Off"=34, "libacc.c"=26, "OK"=0, retValue_acc=1, ")"=0, tmp___2=170, "i > 0 && i <= this->argsCount"=19, splverifierCounter=0, \result=0, "CRIT"=38, tmp___1=0, head=0, "libacc.c"=0, tmp=0, "libacc.c"=14, "i > 0 && i <= this->argsCount"=23, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=18, "libacc.c"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@691a556c=0, "Off"=29, "Off"=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 422]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L634] FCALL "Pump(System:" [L638] FCALL "On" [L642] FCALL "Off" [L646] FCALL ",Pump:" [L650] FCALL "On" [L654] FCALL "Off" [L658] FCALL ") " [L660] FCALL "\n" [L938] FCALL "Env(Water:%i" [L939] FCALL ",Meth:" [L943] FCALL "CRIT" [L947] FCALL "OK" [L951] FCALL ")" [L489] int pumpRunning = 0; [L490] int systemActive = 1; [L717] int cleanupTimeShifts = 4; [L886] int waterLevel = 1; [L887] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L793] int retValue_acc ; [L794] int tmp ; [L798] FCALL select_helpers() [L799] FCALL select_features() [L800] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] RET return (retValue_acc); [L800] EXPR valid_product() [L800] tmp = valid_product() [L802] COND TRUE \read(tmp) [L804] FCALL setup() [L805] CALL runTest() [L784] CALL test() [L413] int splverifierCounter ; [L414] int tmp ; [L415] int tmp___0 ; [L416] int tmp___1 ; [L417] int tmp___2 ; [L420] splverifierCounter = 0 Loop: [L422] COND TRUE 1 [L424] COND TRUE splverifierCounter < 4 [L430] tmp = __VERIFIER_nondet_int() [L432] COND FALSE !(\read(tmp)) [L440] tmp___0 = __VERIFIER_nondet_int() [L442] COND FALSE !(\read(tmp___0)) [L450] tmp___2 = __VERIFIER_nondet_int() [L452] COND TRUE \read(tmp___2) [L454] CALL startSystem() [L703] RET systemActive = 1 [L454] startSystem() [L469] CALL timeShift() [L497] COND FALSE !(\read(pumpRunning)) [L504] COND TRUE \read(systemActive) [L506] CALL processEnvironment() [L552] int tmp ; [L555] COND FALSE !(\read(pumpRunning)) [L570] CALL processEnvironment__wrappee__methaneQuery() [L526] int tmp ; [L529] COND FALSE !(\read(pumpRunning)) [L544] RET, FCALL processEnvironment__wrappee__base() [L570] RET processEnvironment__wrappee__methaneQuery() [L506] processEnvironment() [L512] CALL __utac_acc__Specification3_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L820] int tmp___1 ; [L824] CALL, EXPR isMethaneLevelCritical() [L925] int retValue_acc ; [L928] retValue_acc = methaneLevelCritical [L929] RET return (retValue_acc); [L824] EXPR isMethaneLevelCritical() [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) [L830] CALL, EXPR getWaterLevel() [L957] int retValue_acc ; [L960] retValue_acc = waterLevel [L961] RET return (retValue_acc); [L830] EXPR getWaterLevel() [L830] tmp___0 = getWaterLevel() [L832] COND FALSE, RET !(tmp___0 == 2) [L512] RET __utac_acc__Specification3_spec__1() [L469] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...