./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51_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_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/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 0d6f6f11832d8f580d186172cf5d58d3f276ea91 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:23:06,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:23:06,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:23:06,324 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:23:06,324 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:23:06,325 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:23:06,326 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:23:06,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:23:06,328 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:23:06,329 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:23:06,329 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:23:06,330 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:23:06,330 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:23:06,331 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:23:06,331 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:23:06,332 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:23:06,332 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:23:06,333 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:23:06,335 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:23:06,336 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:23:06,337 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:23:06,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:23:06,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:23:06,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:23:06,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:23:06,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:23:06,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:23:06,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:23:06,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:23:06,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:23:06,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:23:06,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:23:06,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:23:06,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:23:06,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:23:06,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:23:06,347 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:23:06,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:23:06,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:23:06,358 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:23:06,358 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:23:06,358 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:23:06,358 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:23:06,358 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:23:06,358 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:23:06,358 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:23:06,358 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:23:06,359 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:23:06,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:23:06,359 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:23:06,359 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:23:06,359 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:23:06,359 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:23:06,359 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:23:06,359 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:23:06,359 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:23:06,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:23:06,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:23:06,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:23:06,360 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:23:06,360 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:23:06,360 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:23:06,360 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:23:06,360 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:23:06,361 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:23:06,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:23:06,361 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:23:06,361 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:23:06,362 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:23:06,362 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_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/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 -> 0d6f6f11832d8f580d186172cf5d58d3f276ea91 [2018-11-18 12:23:06,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:23:06,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:23:06,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:23:06,399 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:23:06,400 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:23:06,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c [2018-11-18 12:23:06,443 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/data/00722f2b7/2e4af07a335b4c3c9f9fac460cb4f365/FLAG1fe4b3fa5 [2018-11-18 12:23:06,901 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:23:06,902 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/sv-benchmarks/c/product-lines/minepump_spec1_product51_false-unreach-call_false-termination.cil.c [2018-11-18 12:23:06,915 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/data/00722f2b7/2e4af07a335b4c3c9f9fac460cb4f365/FLAG1fe4b3fa5 [2018-11-18 12:23:07,421 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/data/00722f2b7/2e4af07a335b4c3c9f9fac460cb4f365 [2018-11-18 12:23:07,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:23:07,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:23:07,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:23:07,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:23:07,429 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:23:07,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b506cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07, skipping insertion in model container [2018-11-18 12:23:07,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:23:07,489 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:23:07,723 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:23:07,731 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:23:07,860 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:23:07,886 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:23:07,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07 WrapperNode [2018-11-18 12:23:07,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:23:07,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:23:07,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:23:07,887 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:23:07,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:23:07,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:23:07,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:23:07,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:23:07,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... [2018-11-18 12:23:07,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:23:07,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:23:07,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:23:07,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:23:07,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:23:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:23:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:23:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:23:08,912 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:23:08,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:08 BoogieIcfgContainer [2018-11-18 12:23:08,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:23:08,913 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:23:08,913 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:23:08,916 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:23:08,916 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:23:08,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:23:07" (1/3) ... [2018-11-18 12:23:08,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d315700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:23:08, skipping insertion in model container [2018-11-18 12:23:08,919 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:23:08,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:07" (2/3) ... [2018-11-18 12:23:08,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d315700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:23:08, skipping insertion in model container [2018-11-18 12:23:08,919 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:23:08,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:08" (3/3) ... [2018-11-18 12:23:08,921 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product51_false-unreach-call_false-termination.cil.c [2018-11-18 12:23:08,964 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:23:08,965 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:23:08,965 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:23:08,965 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:23:08,965 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:23:08,968 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:23:08,968 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:23:08,968 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:23:08,969 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:23:08,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states. [2018-11-18 12:23:09,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 12:23:09,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:23:09,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:23:09,011 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:09,012 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:09,012 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:23:09,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states. [2018-11-18 12:23:09,018 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 12:23:09,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:23:09,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:23:09,019 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:09,019 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:09,024 INFO L794 eck$LassoCheckResult]: Stem: 130#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~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.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~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 162#L734true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 91#L727true 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; 20#L742true main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; 6#L855true assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 72#L832true 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; 98#L55-3true [2018-11-18 12:23:09,025 INFO L796 eck$LassoCheckResult]: Loop: 98#L55-3true assume true; 131#L55-1true assume !false; 57#L56true assume test_~splverifierCounter~0 < 4; 169#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 17#L65true assume !(0 != test_~tmp~0); 13#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 77#L75true assume !(0 != test_~tmp___0~0); 45#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 148#L85true assume 0 != test_~tmp___2~0; 110#L91-2true assume { :begin_inline_timeShift } true; 150#L129true assume !(0 != ~pumpRunning~0); 147#L129-2true assume !(0 != ~systemActive~0); 30#L136-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 165#L913true __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; 52#L755true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 53#L755-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 94#L146true assume { :end_inline_timeShift } true; 98#L55-3true [2018-11-18 12:23:09,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:09,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:23:09,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:09,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:09,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:09,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:09,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:09,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:09,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1255946861, now seen corresponding path program 1 times [2018-11-18 12:23:09,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:09,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:09,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:09,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:09,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:09,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:09,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2107338831, now seen corresponding path program 1 times [2018-11-18 12:23:09,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:09,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:09,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:09,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:09,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:23:09,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:23:09,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:23:09,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:23:09,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:23:09,575 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 6 states. [2018-11-18 12:23:10,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:10,005 INFO L93 Difference]: Finished difference Result 389 states and 509 transitions. [2018-11-18 12:23:10,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:23:10,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 389 states and 509 transitions. [2018-11-18 12:23:10,014 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 253 [2018-11-18 12:23:10,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 389 states to 359 states and 479 transitions. [2018-11-18 12:23:10,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 359 [2018-11-18 12:23:10,026 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 359 [2018-11-18 12:23:10,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 359 states and 479 transitions. [2018-11-18 12:23:10,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:23:10,030 INFO L705 BuchiCegarLoop]: Abstraction has 359 states and 479 transitions. [2018-11-18 12:23:10,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states and 479 transitions. [2018-11-18 12:23:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 209. [2018-11-18 12:23:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-18 12:23:10,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 278 transitions. [2018-11-18 12:23:10,068 INFO L728 BuchiCegarLoop]: Abstraction has 209 states and 278 transitions. [2018-11-18 12:23:10,068 INFO L608 BuchiCegarLoop]: Abstraction has 209 states and 278 transitions. [2018-11-18 12:23:10,068 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:23:10,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 278 transitions. [2018-11-18 12:23:10,071 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2018-11-18 12:23:10,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:23:10,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:23:10,072 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:10,072 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 12:23:10,072 INFO L794 eck$LassoCheckResult]: Stem: 723#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~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.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; 591#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 592#L734 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 700#L727 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; 603#L742 main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; 582#L855 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 583#L832 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; 682#L55-3 [2018-11-18 12:23:10,072 INFO L796 eck$LassoCheckResult]: Loop: 682#L55-3 assume true; 704#L55-1 assume !false; 658#L56 assume test_~splverifierCounter~0 < 4; 659#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 598#L65 assume !(0 != test_~tmp~0); 585#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 593#L75 assume !(0 != test_~tmp___0~0); 639#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 640#L85 assume 0 != test_~tmp___2~0; 696#L91-2 assume { :begin_inline_timeShift } true; 711#L129 assume !(0 != ~pumpRunning~0); 684#L129-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 716#L187 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 624#L161-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 597#L153-3 assume { :end_inline_processEnvironment__wrappee__base } true; 589#L161-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 590#L187-1 assume { :end_inline_processEnvironment } true; 619#L136-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 620#L913 __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; 649#L755 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 651#L755-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 652#L146 assume { :end_inline_timeShift } true; 682#L55-3 [2018-11-18 12:23:10,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:10,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:23:10,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:10,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:10,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:10,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:10,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1698064768, now seen corresponding path program 1 times [2018-11-18 12:23:10,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:10,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:10,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,123 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:23:10,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:23:10,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:23:10,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:23:10,149 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:23:10,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:23:10,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:23:10,150 INFO L87 Difference]: Start difference. First operand 209 states and 278 transitions. cyclomatic complexity: 72 Second operand 3 states. [2018-11-18 12:23:10,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:10,258 INFO L93 Difference]: Finished difference Result 261 states and 331 transitions. [2018-11-18 12:23:10,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:23:10,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 331 transitions. [2018-11-18 12:23:10,262 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2018-11-18 12:23:10,264 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 261 states and 331 transitions. [2018-11-18 12:23:10,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2018-11-18 12:23:10,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2018-11-18 12:23:10,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 331 transitions. [2018-11-18 12:23:10,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:23:10,267 INFO L705 BuchiCegarLoop]: Abstraction has 261 states and 331 transitions. [2018-11-18 12:23:10,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 331 transitions. [2018-11-18 12:23:10,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-11-18 12:23:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-18 12:23:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 331 transitions. [2018-11-18 12:23:10,278 INFO L728 BuchiCegarLoop]: Abstraction has 261 states and 331 transitions. [2018-11-18 12:23:10,279 INFO L608 BuchiCegarLoop]: Abstraction has 261 states and 331 transitions. [2018-11-18 12:23:10,279 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:23:10,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 261 states and 331 transitions. [2018-11-18 12:23:10,281 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2018-11-18 12:23:10,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:23:10,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:23:10,282 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:10,282 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, 1, 1, 1] [2018-11-18 12:23:10,282 INFO L794 eck$LassoCheckResult]: Stem: 1207#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~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.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; 1067#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 1068#L734 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1182#L727 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; 1078#L742 main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; 1058#L855 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 1059#L832 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; 1160#L55-3 [2018-11-18 12:23:10,282 INFO L796 eck$LassoCheckResult]: Loop: 1160#L55-3 assume true; 1186#L55-1 assume !false; 1138#L56 assume test_~splverifierCounter~0 < 4; 1139#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1073#L65 assume !(0 != test_~tmp~0); 1061#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1069#L75 assume !(0 != test_~tmp___0~0); 1119#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1120#L85 assume 0 != test_~tmp___2~0; 1296#L91-2 assume { :begin_inline_timeShift } true; 1214#L129 assume !(0 != ~pumpRunning~0); 1212#L129-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1199#L187 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1103#L161-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1104#L953-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1150#L958-1 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 1185#L289-3 assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; 1184#L289-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1151#L295-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1152#L165-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1075#L153-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1065#L161-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1066#L187-1 assume { :end_inline_processEnvironment } true; 1196#L136-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1220#L913 __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; 1128#L755 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 1130#L755-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1132#L146 assume { :end_inline_timeShift } true; 1160#L55-3 [2018-11-18 12:23:10,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:10,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 12:23:10,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:10,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:10,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:10,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:10,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1695527050, now seen corresponding path program 1 times [2018-11-18 12:23:10,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:10,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:10,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,353 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:23:10,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:23:10,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:23:10,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:23:10,416 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:23:10,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:23:10,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:23:10,417 INFO L87 Difference]: Start difference. First operand 261 states and 331 transitions. cyclomatic complexity: 73 Second operand 4 states. [2018-11-18 12:23:10,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:10,537 INFO L93 Difference]: Finished difference Result 509 states and 637 transitions. [2018-11-18 12:23:10,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:23:10,538 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 509 states and 637 transitions. [2018-11-18 12:23:10,540 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 374 [2018-11-18 12:23:10,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 509 states to 509 states and 637 transitions. [2018-11-18 12:23:10,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 509 [2018-11-18 12:23:10,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 509 [2018-11-18 12:23:10,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 509 states and 637 transitions. [2018-11-18 12:23:10,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:23:10,547 INFO L705 BuchiCegarLoop]: Abstraction has 509 states and 637 transitions. [2018-11-18 12:23:10,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states and 637 transitions. [2018-11-18 12:23:10,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 273. [2018-11-18 12:23:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-11-18 12:23:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 343 transitions. [2018-11-18 12:23:10,557 INFO L728 BuchiCegarLoop]: Abstraction has 273 states and 343 transitions. [2018-11-18 12:23:10,557 INFO L608 BuchiCegarLoop]: Abstraction has 273 states and 343 transitions. [2018-11-18 12:23:10,557 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 12:23:10,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 343 transitions. [2018-11-18 12:23:10,559 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2018-11-18 12:23:10,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:23:10,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:23:10,560 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:10,560 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, 1, 1, 1] [2018-11-18 12:23:10,560 INFO L794 eck$LassoCheckResult]: Stem: 1996#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~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.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; 1846#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 1847#L734 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1966#L727 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; 1856#L742 main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; 1837#L855 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 1838#L832 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; 1944#L55-3 [2018-11-18 12:23:10,560 INFO L796 eck$LassoCheckResult]: Loop: 1944#L55-3 assume true; 1970#L55-1 assume !false; 2075#L56 assume test_~splverifierCounter~0 < 4; 2074#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 2072#L65 assume !(0 != test_~tmp~0); 2070#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 2069#L75 assume !(0 != test_~tmp___0~0); 2068#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 2066#L85 assume 0 != test_~tmp___2~0; 2065#L91-2 assume { :begin_inline_timeShift } true; 2005#L129 assume !(0 != ~pumpRunning~0); 2004#L129-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1985#L187 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1883#L161-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1884#L953-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1931#L958-1 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 1969#L289-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 1968#L289-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1933#L295-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1934#L165-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1853#L153-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1844#L161-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1845#L187-1 assume { :end_inline_processEnvironment } true; 1875#L136-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1876#L913 __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; 1908#L755 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 1910#L755-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1912#L146 assume { :end_inline_timeShift } true; 1944#L55-3 [2018-11-18 12:23:10,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 12:23:10,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:10,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:10,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:10,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:10,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1953692488, now seen corresponding path program 1 times [2018-11-18 12:23:10,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:10,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:10,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,602 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:23:10,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:10,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1090292860, now seen corresponding path program 1 times [2018-11-18 12:23:10,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:10,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:10,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:10,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:11,089 WARN L180 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 12:24:01,621 WARN L180 SmtUtils]: Spent 50.44 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:24:17,102 WARN L180 SmtUtils]: Spent 15.48 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:24:17,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:24:17 BoogieIcfgContainer [2018-11-18 12:24:17,196 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:24:17,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:24:17,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:24:17,197 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:24:17,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:08" (3/4) ... [2018-11-18 12:24:17,200 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:24:17,253 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1de51506-99ee-4a9c-a66e-5d2dcc8cf1c2/bin-2019/uautomizer/witness.graphml [2018-11-18 12:24:17,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:24:17,254 INFO L168 Benchmark]: Toolchain (without parser) took 69829.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 955.4 MB in the beginning and 1.3 GB in the end (delta: -314.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:24:17,255 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:24:17,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:17,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.60 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 12:24:17,256 INFO L168 Benchmark]: Boogie Preprocessor took 41.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:17,256 INFO L168 Benchmark]: RCFGBuilder took 923.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:17,256 INFO L168 Benchmark]: BuchiAutomizer took 68282.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -241.4 MB). Peak memory consumption was 328.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:24:17,256 INFO L168 Benchmark]: Witness Printer took 57.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:24:17,257 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 460.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.60 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. * Boogie Preprocessor took 41.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 923.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 68282.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -241.4 MB). Peak memory consumption was 328.4 MB. Max. memory is 11.5 GB. * Witness Printer took 57.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 273 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 68.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 67.3s. Construction of modules took 0.5s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 386 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 273 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 684 SDtfs, 1296 SDslu, 1390 SDs, 0 SdLazy, 131 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 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, "libacc.c"=0, "On"=24, "i > 0 && i <= this->argsCount"=36, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=12, "OK"=33, "libacc.c"=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2275f1bf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1debe021=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aa0e1b6=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56780426=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41480bb4=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "libacc.c"=31, methaneLevelCritical=0, "Pump(System:"=26, tmp___0=0, "Env(Water:%i"=0, "CRIT"=0, retValue_acc=0, ",Meth:"=0, tmp___1=0, "Pump(System:"=0, ") "=18, cleanupTimeShifts=4, tmp=0, tmp=0, tmp___0=0, retValue_acc=0, "__utac__get_this_arg"=14, ",Pump:"=22, "libacc.c"=28, NULL=0, systemActive=1, waterLevel=1, "CRIT"=27, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40857848=0, "Off"=0, "Off"=23, \result=0, "On"=0, "libacc.c"=8, "libacc.c"=15, "__utac__get_this_argtype"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "libacc.c"=0, \result=1, "Off"=19, head=0, pumpRunning=0, "__utac__get_this_argtype"=35, \result=0, "i > 0 && i <= this->argsCount"=39, "On"=0, "Off"=0, \result=1, "__utac__get_this_arg"=11, ",Meth:"=37, "\n"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22c551e2=0, retValue_acc=1, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34867e53=0, tmp=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42116372=0, ")"=0, retValue_acc=1, tmp___2=161, splverifierCounter=0, \result=0, ")"=34, tmp=0, head=0, tmp=1, ") "=0, "On"=20, "\n"=0, "i > 0 && i <= this->argsCount"=16, "__utac__get_this_argtype"=29, "__utac__get_this_arg"=0, "Env(Water:%i"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bd53922=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L249] FCALL "Pump(System:" [L253] FCALL "On" [L257] FCALL "Off" [L261] FCALL ",Pump:" [L265] FCALL "On" [L269] FCALL "Off" [L273] FCALL ") " [L275] FCALL "\n" [L631] FCALL "i > 0 && i <= this->argsCount" [L631] FCALL "libacc.c" [L632] FCALL "__utac__get_this_arg" [L638] FCALL "i > 0 && i <= this->argsCount" [L638] FCALL "libacc.c" [L639] FCALL "__utac__get_this_arg" [L677] FCALL "i > 0 && i <= this->argsCount" [L677] FCALL "libacc.c" [L678] FCALL "__utac__get_this_argtype" [L684] FCALL "i > 0 && i <= this->argsCount" [L684] FCALL "libacc.c" [L685] FCALL "__utac__get_this_argtype" [L922] FCALL "Env(Water:%i" [L923] FCALL ",Meth:" [L927] FCALL "CRIT" [L931] FCALL "OK" [L935] FCALL ")" [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L773] int cleanupTimeShifts = 4; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; [L503] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L846] int retValue_acc ; [L847] int tmp ; [L851] FCALL select_helpers() [L852] FCALL select_features() [L853] CALL, EXPR valid_product() [L738] int retValue_acc ; [L741] retValue_acc = 1 [L742] RET return (retValue_acc); [L853] EXPR valid_product() [L853] tmp = valid_product() [L855] COND TRUE \read(tmp) [L857] FCALL setup() [L858] CALL runTest() [L840] 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() [L129] COND FALSE !(\read(pumpRunning)) [L136] COND TRUE \read(systemActive) [L138] CALL processEnvironment() [L184] int tmp ; [L187] COND FALSE !(\read(pumpRunning)) [L202] CALL processEnvironment__wrappee__highWaterSensor() [L158] int tmp ; [L161] COND TRUE ! pumpRunning [L163] CALL, EXPR isHighWaterLevel() [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L287] CALL, EXPR isHighWaterSensorDry() [L950] int retValue_acc ; [L953] COND TRUE waterLevel < 2 [L954] retValue_acc = 1 [L955] RET return (retValue_acc); [L287] EXPR isHighWaterSensorDry() [L287] tmp = isHighWaterSensorDry() [L289] COND TRUE \read(tmp) [L290] tmp___0 = 0 [L294] retValue_acc = tmp___0 [L295] RET return (retValue_acc); [L163] EXPR isHighWaterLevel() [L163] tmp = isHighWaterLevel() [L165] COND FALSE !(\read(tmp)) [L171] RET, FCALL processEnvironment__wrappee__base() [L202] RET processEnvironment__wrappee__highWaterSensor() [L138] processEnvironment() [L144] CALL __utac_acc__Specification1_spec__1() [L748] int tmp ; [L749] int tmp___0 ; [L753] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] RET return (retValue_acc); [L753] EXPR isMethaneLevelCritical() [L753] tmp = isMethaneLevelCritical() [L755] COND FALSE, RET !(\read(tmp)) [L144] RET __utac_acc__Specification1_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...