./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product34_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_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/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 feddb53df5c889a09349b532f3a03633c4161684 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:33:56,251 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:33:56,253 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:33:56,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:33:56,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:33:56,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:33:56,261 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:33:56,262 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:33:56,264 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:33:56,264 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:33:56,265 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:33:56,265 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:33:56,266 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:33:56,267 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:33:56,267 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:33:56,268 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:33:56,269 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:33:56,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:33:56,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:33:56,272 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:33:56,273 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:33:56,274 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:33:56,275 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:33:56,275 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:33:56,276 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:33:56,276 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:33:56,277 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:33:56,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:33:56,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:33:56,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:33:56,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:33:56,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:33:56,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:33:56,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:33:56,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:33:56,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:33:56,281 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:33:56,291 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:33:56,291 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:33:56,292 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:33:56,292 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:33:56,292 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:33:56,292 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:33:56,293 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:33:56,293 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:33:56,293 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:33:56,293 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:33:56,293 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:33:56,293 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:33:56,293 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:33:56,294 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:33:56,295 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:33:56,295 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:33:56,295 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:33:56,295 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:33:56,295 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:33:56,295 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:33:56,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:33:56,296 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:33:56,296 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:33:56,296 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:33:56,297 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_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/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 -> feddb53df5c889a09349b532f3a03633c4161684 [2018-11-18 12:33:56,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:33:56,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:33:56,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:33:56,331 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:33:56,332 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:33:56,332 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-18 12:33:56,370 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/data/aefc3e3b6/a446b02b33664400813140b392fd46f5/FLAG32625ef74 [2018-11-18 12:33:56,812 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:33:56,813 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-18 12:33:56,823 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/data/aefc3e3b6/a446b02b33664400813140b392fd46f5/FLAG32625ef74 [2018-11-18 12:33:56,836 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/data/aefc3e3b6/a446b02b33664400813140b392fd46f5 [2018-11-18 12:33:56,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:33:56,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:33:56,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:33:56,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:33:56,843 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:33:56,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:33:56" (1/1) ... [2018-11-18 12:33:56,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:56, skipping insertion in model container [2018-11-18 12:33:56,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:33:56" (1/1) ... [2018-11-18 12:33:56,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:33:56,889 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:33:57,085 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:33:57,095 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:33:57,209 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:33:57,233 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:33:57,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57 WrapperNode [2018-11-18 12:33:57,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:33:57,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:33:57,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:33:57,235 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:33:57,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:33:57,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:33:57,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:33:57,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:33:57,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... [2018-11-18 12:33:57,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:33:57,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:33:57,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:33:57,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:33:57,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/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 12:33:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:33:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:33:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:33:57,784 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:33:57,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:33:57 BoogieIcfgContainer [2018-11-18 12:33:57,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:33:57,785 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:33:57,786 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:33:57,788 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:33:57,789 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:33:57,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:33:56" (1/3) ... [2018-11-18 12:33:57,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@413575fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:33:57, skipping insertion in model container [2018-11-18 12:33:57,790 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:33:57,790 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:33:57" (2/3) ... [2018-11-18 12:33:57,791 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@413575fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:33:57, skipping insertion in model container [2018-11-18 12:33:57,791 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:33:57,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:33:57" (3/3) ... [2018-11-18 12:33:57,793 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-11-18 12:33:57,830 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:33:57,830 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:33:57,830 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:33:57,830 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:33:57,830 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:33:57,830 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:33:57,830 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:33:57,831 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:33:57,831 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:33:57,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 12:33:57,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 12:33:57,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:33:57,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:33:57,865 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:33:57,866 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:33:57,866 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:33:57,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 12:33:57,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 12:33:57,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:33:57,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:33:57,871 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:33:57,871 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:33:57,875 INFO L794 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(13);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 44];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 80];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 117];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 109];#memory_int := #memory_int[#t~string17.base,4 + #t~string17.offset := 112];#memory_int := #memory_int[#t~string17.base,5 + #t~string17.offset := 58];#memory_int := #memory_int[#t~string17.base,6 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 41];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 32];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 10];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];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(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 88#L195true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 29#L188true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 106#L203true main_#t~ret2 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 104#L159true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 68#L132true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 19#L219-3true [2018-11-18 12:33:57,875 INFO L796 eck$LassoCheckResult]: Loop: 19#L219-3true assume true; 4#L219-1true assume !false; 60#L220true assume test_~splverifierCounter~0 < 4; 30#L221true test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 33#L229true assume !(0 != test_~tmp~2); 38#L229-2true test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 70#L239true assume !(0 != test_~tmp___0~1); 86#L239-2true test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 28#L249true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet7;havoc test_#t~nondet7; 32#L257true assume 0 != test_~tmp___1~0; 31#L257-2true assume { :begin_inline_timeShift } true; 66#L289true assume !(0 != ~pumpRunning~0); 62#L289-2true assume !(0 != ~systemActive~0); 8#L296-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 89#L517true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 12#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 10#L51-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 34#L306true assume { :end_inline_timeShift } true; 19#L219-3true [2018-11-18 12:33:57,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:57,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:33:57,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:57,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:57,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:57,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:33:57,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:58,074 INFO L82 PathProgramCache]: Analyzing trace with hash 983420916, now seen corresponding path program 1 times [2018-11-18 12:33:58,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:58,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:58,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:33:58,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:58,090 INFO L82 PathProgramCache]: Analyzing trace with hash -2128905032, now seen corresponding path program 1 times [2018-11-18 12:33:58,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:58,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:58,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:33:58,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:58,213 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 12:33:58,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:33:58,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:33:58,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:33:58,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:33:58,307 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-18 12:33:58,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:33:58,419 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2018-11-18 12:33:58,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:33:58,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 133 transitions. [2018-11-18 12:33:58,425 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 12:33:58,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 95 states and 123 transitions. [2018-11-18 12:33:58,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2018-11-18 12:33:58,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2018-11-18 12:33:58,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 123 transitions. [2018-11-18 12:33:58,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:33:58,432 INFO L705 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-18 12:33:58,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 123 transitions. [2018-11-18 12:33:58,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-18 12:33:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-18 12:33:58,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2018-11-18 12:33:58,455 INFO L728 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-18 12:33:58,455 INFO L608 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-18 12:33:58,455 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:33:58,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 123 transitions. [2018-11-18 12:33:58,456 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 12:33:58,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:33:58,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:33:58,456 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:33:58,456 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] [2018-11-18 12:33:58,457 INFO L794 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(13);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 44];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 80];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 117];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 109];#memory_int := #memory_int[#t~string17.base,4 + #t~string17.offset := 112];#memory_int := #memory_int[#t~string17.base,5 + #t~string17.offset := 58];#memory_int := #memory_int[#t~string17.base,6 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 41];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 32];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 10];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];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(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 275#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 276#L195 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 312#L188 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 313#L203 main_#t~ret2 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 324#L159 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 308#L132 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 281#L219-3 [2018-11-18 12:33:58,457 INFO L796 eck$LassoCheckResult]: Loop: 281#L219-3 assume true; 234#L219-1 assume !false; 235#L220 assume test_~splverifierCounter~0 < 4; 296#L221 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 316#L229 assume !(0 != test_~tmp~2); 269#L229-2 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 309#L239 assume !(0 != test_~tmp___0~1); 298#L239-2 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 306#L249 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet7;havoc test_#t~nondet7; 307#L257 assume 0 != test_~tmp___1~0; 263#L257-2 assume { :begin_inline_timeShift } true; 302#L289 assume !(0 != ~pumpRunning~0); 300#L289-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 257#L321 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 258#L313-1 assume { :end_inline_processEnvironment__wrappee__base } true; 264#L321-1 assume { :end_inline_processEnvironment } true; 255#L296-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 256#L517 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 265#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 260#L51-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 261#L306 assume { :end_inline_timeShift } true; 281#L219-3 [2018-11-18 12:33:58,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:58,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:33:58,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:58,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:58,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:33:58,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:58,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1792907562, now seen corresponding path program 1 times [2018-11-18 12:33:58,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:58,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:58,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,521 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:33:58,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:58,541 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 12:33:58,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:33:58,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:33:58,542 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:33:58,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:33:58,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:33:58,542 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. cyclomatic complexity: 30 Second operand 3 states. [2018-11-18 12:33:58,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:33:58,608 INFO L93 Difference]: Finished difference Result 150 states and 188 transitions. [2018-11-18 12:33:58,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:33:58,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 188 transitions. [2018-11-18 12:33:58,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2018-11-18 12:33:58,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 150 states and 188 transitions. [2018-11-18 12:33:58,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2018-11-18 12:33:58,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2018-11-18 12:33:58,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 188 transitions. [2018-11-18 12:33:58,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:33:58,612 INFO L705 BuchiCegarLoop]: Abstraction has 150 states and 188 transitions. [2018-11-18 12:33:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 188 transitions. [2018-11-18 12:33:58,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-18 12:33:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 12:33:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 188 transitions. [2018-11-18 12:33:58,619 INFO L728 BuchiCegarLoop]: Abstraction has 150 states and 188 transitions. [2018-11-18 12:33:58,619 INFO L608 BuchiCegarLoop]: Abstraction has 150 states and 188 transitions. [2018-11-18 12:33:58,619 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:33:58,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 188 transitions. [2018-11-18 12:33:58,620 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2018-11-18 12:33:58,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:33:58,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:33:58,621 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:33:58,622 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] [2018-11-18 12:33:58,622 INFO L794 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(13);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 44];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 80];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 117];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 109];#memory_int := #memory_int[#t~string17.base,4 + #t~string17.offset := 112];#memory_int := #memory_int[#t~string17.base,5 + #t~string17.offset := 58];#memory_int := #memory_int[#t~string17.base,6 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 41];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 32];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 10];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 44];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 77];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 101];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 116];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 104];#memory_int := #memory_int[#t~string30.base,5 + #t~string30.offset := 58];#memory_int := #memory_int[#t~string30.base,6 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 67];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 82];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 73];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 84];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 79];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 75];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 41];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];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(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 522#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 523#L195 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 563#L188 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 564#L203 main_#t~ret2 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 586#L159 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 556#L132 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 557#L219-3 [2018-11-18 12:33:58,622 INFO L796 eck$LassoCheckResult]: Loop: 557#L219-3 assume true; 592#L219-1 assume !false; 591#L220 assume test_~splverifierCounter~0 < 4; 567#L221 test_~tmp~2 := test_#t~nondet4;havoc test_#t~nondet4; 568#L229 assume !(0 != test_~tmp~2); 517#L229-2 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 558#L239 assume !(0 != test_~tmp___0~1); 546#L239-2 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 554#L249 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet7;havoc test_#t~nondet7; 555#L257 assume 0 != test_~tmp___1~0; 512#L257-2 assume { :begin_inline_timeShift } true; 551#L289 assume !(0 != ~pumpRunning~0); 548#L289-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 507#L321 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret26, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 508#L525 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 524#L530 isHighWaterLevel_#t~ret26 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret26;havoc isHighWaterLevel_#t~ret26; 525#L423 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~2 := 0; 587#L423-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 562#L429 processEnvironment_#t~ret8 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret8;havoc processEnvironment_#t~ret8; 534#L325 assume !(0 != processEnvironment_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 535#L313 assume { :end_inline_processEnvironment__wrappee__base } true; 578#L321-1 assume { :end_inline_processEnvironment } true; 599#L296-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 598#L517 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 596#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 594#L51-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 593#L306 assume { :end_inline_timeShift } true; 557#L219-3 [2018-11-18 12:33:58,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:58,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 12:33:58,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:58,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:58,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:33:58,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:58,673 INFO L82 PathProgramCache]: Analyzing trace with hash 528327806, now seen corresponding path program 1 times [2018-11-18 12:33:58,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:58,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:58,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,674 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:33:58,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:58,684 INFO L82 PathProgramCache]: Analyzing trace with hash 903615546, now seen corresponding path program 1 times [2018-11-18 12:33:58,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:58,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:58,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:33:58,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:58,838 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2018-11-18 12:34:32,400 WARN L180 SmtUtils]: Spent 33.52 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:34:54,233 WARN L180 SmtUtils]: Spent 21.83 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:34:54,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:34:54 BoogieIcfgContainer [2018-11-18 12:34:54,305 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:34:54,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:34:54,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:34:54,306 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:34:54,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:33:57" (3/4) ... [2018-11-18 12:34:54,309 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:34:54,349 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3e7f463c-28d6-43cc-946f-ef0f2f3b59df/bin-2019/uautomizer/witness.graphml [2018-11-18 12:34:54,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:34:54,350 INFO L168 Benchmark]: Toolchain (without parser) took 57511.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 267.9 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -213.0 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:54,351 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:34:54,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -205.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:54,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:54,351 INFO L168 Benchmark]: Boogie Preprocessor took 26.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:34:54,352 INFO L168 Benchmark]: RCFGBuilder took 480.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:54,352 INFO L168 Benchmark]: BuchiAutomizer took 56519.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -83.6 MB). Peak memory consumption was 302.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:54,352 INFO L168 Benchmark]: Witness Printer took 43.97 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:54,354 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -205.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 480.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56519.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -83.6 MB). Peak memory consumption was 302.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.97 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 150 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 56.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 150 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 275 SDtfs, 481 SDslu, 75 SDs, 0 SdLazy, 29 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 219]: 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 {"Off"=14, NULL=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=28, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@362898d1=159, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79391415=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ea273cd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@694e8a0=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b8bcf76=0, "Pump(System:"=16, "i > 0 && i <= this->argsCount"=36, "libacc.c"=29, methaneLevelCritical=0, tmp___0=0, tmp=0, retValue_acc=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, tmp___1=159, ") "=19, tmp___0=0, "Env(Water:%i"=22, ")"=27, cleanupTimeShifts=4, "OK"=26, "\n"=20, ",Pump:"=11, "\n"=0, ") "=0, "Off"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=40, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4938722c=0, "CRIT"=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d40f07c=0, "i > 0 && i <= this->argsCount"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55eedff9=0, \result=0, "__utac__get_this_arg"=35, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, "__utac__get_this_arg"=31, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@577e79e8=0, "Off"=17, "On"=0, ")"=0, "__utac__get_this_argtype"=38, tmp=1, "Off"=0, "OK"=0, ",Pump:"=0, \result=1, "i > 0 && i <= this->argsCount"=39, tmp=1, tmp=1, retValue_acc=1, retValue_acc=1, tmp___2=0, ",Meth:"=23, tmp___0=0, splverifierCounter=0, "libacc.c"=0, "libacc.c"=34, tmp=0, head=0, "Env(Water:%i"=0, "On"=12, "CRIT"=24, "On"=0, "Pump(System:"=0, "On"=15, "libacc.c"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 219]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L383] FCALL "Pump(System:" [L387] FCALL "On" [L391] FCALL "Off" [L395] FCALL ",Pump:" [L399] FCALL "On" [L403] FCALL "Off" [L407] FCALL ") " [L409] FCALL "\n" [L494] FCALL "Env(Water:%i" [L495] FCALL ",Meth:" [L499] FCALL "CRIT" [L503] FCALL "OK" [L507] FCALL ")" [L842] FCALL "i > 0 && i <= this->argsCount" [L842] FCALL "libacc.c" [L843] FCALL "__utac__get_this_arg" [L849] FCALL "i > 0 && i <= this->argsCount" [L849] FCALL "libacc.c" [L850] FCALL "__utac__get_this_arg" [L888] FCALL "i > 0 && i <= this->argsCount" [L888] FCALL "libacc.c" [L889] FCALL "__utac__get_this_argtype" [L895] FCALL "i > 0 && i <= this->argsCount" [L895] FCALL "libacc.c" [L896] FCALL "__utac__get_this_argtype" [L69] int cleanupTimeShifts = 4; [L282] int pumpRunning = 0; [L283] int systemActive = 1; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; [L155] FCALL select_helpers() [L156] FCALL select_features() [L157] CALL, EXPR valid_product() [L199] int retValue_acc ; [L202] retValue_acc = 1 [L203] RET return (retValue_acc); [L157] EXPR valid_product() [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) [L161] FCALL setup() [L162] CALL runTest() [L141] CALL test() [L210] int splverifierCounter ; [L211] int tmp ; [L212] int tmp___0 ; [L213] int tmp___1 ; [L214] int tmp___2 ; [L217] splverifierCounter = 0 Loop: [L219] COND TRUE 1 [L221] COND TRUE splverifierCounter < 4 [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND TRUE \read(tmp___1) [L264] CALL timeShift() [L289] COND FALSE !(\read(pumpRunning)) [L296] COND TRUE \read(systemActive) [L298] CALL processEnvironment() [L318] int tmp ; [L321] COND TRUE ! pumpRunning [L323] CALL, EXPR isHighWaterLevel() [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L421] CALL, EXPR isHighWaterSensorDry() [L522] int retValue_acc ; [L525] COND TRUE waterLevel < 2 [L526] retValue_acc = 1 [L527] RET return (retValue_acc); [L421] EXPR isHighWaterSensorDry() [L421] tmp = isHighWaterSensorDry() [L423] COND TRUE \read(tmp) [L424] tmp___0 = 0 [L428] retValue_acc = tmp___0 [L429] RET return (retValue_acc); [L323] EXPR isHighWaterLevel() [L323] tmp = isHighWaterLevel() [L325] COND FALSE !(\read(tmp)) [L331] RET, FCALL processEnvironment__wrappee__base() [L298] processEnvironment() [L304] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] RET return (retValue_acc); [L49] EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE, RET !(tmp == 0) [L304] RET __utac_acc__Specification4_spec__1() [L264] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...