./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/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 dfe06fc1ef2f52cf03ee60bd1d5f57aaa8aba092 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:54:09,293 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:54:09,294 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:54:09,300 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:54:09,300 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:54:09,301 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:54:09,301 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:54:09,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:54:09,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:54:09,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:54:09,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:54:09,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:54:09,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:54:09,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:54:09,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:54:09,307 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:54:09,308 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:54:09,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:54:09,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:54:09,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:54:09,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:54:09,312 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:54:09,314 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:54:09,314 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:54:09,315 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:54:09,315 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:54:09,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:54:09,316 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:54:09,316 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:54:09,317 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:54:09,317 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:54:09,317 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:54:09,317 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:54:09,318 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:54:09,318 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:54:09,318 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:54:09,319 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:54:09,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:54:09,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:54:09,327 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:54:09,327 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:54:09,327 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:54:09,327 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:54:09,327 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:54:09,328 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:54:09,328 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:54:09,328 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:54:09,328 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:54:09,328 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:54:09,328 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:54:09,328 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:54:09,328 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:54:09,329 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:54:09,329 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:54:09,329 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:54:09,329 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:54:09,329 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:54:09,329 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:54:09,329 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:54:09,330 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:54:09,330 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:54:09,330 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:54:09,330 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:54:09,330 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:54:09,330 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:54:09,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:54:09,330 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:54:09,331 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:54:09,331 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:54:09,331 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_ada235a7-c8bf-4d77-be30-36e3421e44bb/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 -> dfe06fc1ef2f52cf03ee60bd1d5f57aaa8aba092 [2018-11-18 10:54:09,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:54:09,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:54:09,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:54:09,369 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:54:09,369 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:54:09,370 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-11-18 10:54:09,414 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/data/05d13b4dd/25bd24ad9590453ebe1d5527865fb04b/FLAGc7ef957cf [2018-11-18 10:54:09,844 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:54:09,844 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/sv-benchmarks/c/product-lines/minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-11-18 10:54:09,854 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/data/05d13b4dd/25bd24ad9590453ebe1d5527865fb04b/FLAGc7ef957cf [2018-11-18 10:54:09,864 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/data/05d13b4dd/25bd24ad9590453ebe1d5527865fb04b [2018-11-18 10:54:09,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:54:09,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:54:09,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:54:09,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:54:09,870 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:54:09,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:54:09" (1/1) ... [2018-11-18 10:54:09,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:09, skipping insertion in model container [2018-11-18 10:54:09,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:54:09" (1/1) ... [2018-11-18 10:54:09,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:54:09,908 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:54:10,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:54:10,103 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:54:10,208 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:54:10,228 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:54:10,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10 WrapperNode [2018-11-18 10:54:10,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:54:10,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:54:10,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:54:10,229 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:54:10,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:54:10,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:54:10,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:54:10,273 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:54:10,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... [2018-11-18 10:54:10,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:54:10,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:54:10,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:54:10,300 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:54:10,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/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 10:54:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:54:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:54:10,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:54:10,827 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:54:10,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:54:10 BoogieIcfgContainer [2018-11-18 10:54:10,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:54:10,828 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:54:10,828 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:54:10,831 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:54:10,831 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:54:10,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:54:09" (1/3) ... [2018-11-18 10:54:10,832 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@462c91ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:54:10, skipping insertion in model container [2018-11-18 10:54:10,832 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:54:10,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:10" (2/3) ... [2018-11-18 10:54:10,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@462c91ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:54:10, skipping insertion in model container [2018-11-18 10:54:10,833 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:54:10,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:54:10" (3/3) ... [2018-11-18 10:54:10,834 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product06_true-unreach-call_false-termination.cil.c [2018-11-18 10:54:10,866 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:54:10,867 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:54:10,867 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:54:10,867 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:54:10,867 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:54:10,867 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:54:10,867 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:54:10,867 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:54:10,867 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:54:10,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 10:54:10,898 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 10:54:10,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:54:10,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:54:10,904 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:10,904 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:10,904 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:54:10,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 10:54:10,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 10:54:10,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:54:10,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:54:10,909 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:10,909 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:10,912 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 91#L151true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 29#L144true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 106#L159true main_#t~ret33 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 54#L468true assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 79#L443true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 107#L489true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, 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; 44#L177-3true [2018-11-18 10:54:10,913 INFO L796 eck$LassoCheckResult]: Loop: 44#L177-3true assume true; 30#L177-1true assume !false; 102#L178true assume test_~splverifierCounter~0 < 4; 51#L179true test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 66#L187true assume !(0 != test_~tmp~0); 83#L187-2true test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 4#L197true assume !(0 != test_~tmp___0~0); 14#L197-2true test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 47#L207true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 59#L380true assume { :end_inline_startSystem } true; 55#L215-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 111#L335true __utac_acc__Specification5_spec__2_#t~ret34 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34;havoc __utac_acc__Specification5_spec__2_#t~ret34; 33#L499true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 87#L250true assume !(0 != ~pumpRunning~0); 95#L250-2true assume !(0 != ~systemActive~0); 34#L257-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35, __utac_acc__Specification5_spec__3_#t~ret36, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 85#L121true __utac_acc__Specification5_spec__3_#t~ret35 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret35;havoc __utac_acc__Specification5_spec__3_#t~ret35; 32#L510true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3); 36#L510-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 76#L267true assume { :end_inline_timeShift } true; 44#L177-3true [2018-11-18 10:54:10,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:10,918 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 10:54:10,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:54:10,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:54:10,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:10,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:10,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:11,066 INFO L82 PathProgramCache]: Analyzing trace with hash -865311013, now seen corresponding path program 1 times [2018-11-18 10:54:11,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:54:11,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:54:11,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:11,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:11,112 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 10:54:11,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:54:11,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:54:11,116 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:54:11,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:54:11,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:54:11,127 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 3 states. [2018-11-18 10:54:11,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:11,164 INFO L93 Difference]: Finished difference Result 106 states and 132 transitions. [2018-11-18 10:54:11,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:54:11,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 132 transitions. [2018-11-18 10:54:11,168 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 10:54:11,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 96 states and 121 transitions. [2018-11-18 10:54:11,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2018-11-18 10:54:11,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 96 [2018-11-18 10:54:11,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 121 transitions. [2018-11-18 10:54:11,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:54:11,173 INFO L705 BuchiCegarLoop]: Abstraction has 96 states and 121 transitions. [2018-11-18 10:54:11,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 121 transitions. [2018-11-18 10:54:11,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 10:54:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 10:54:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 121 transitions. [2018-11-18 10:54:11,198 INFO L728 BuchiCegarLoop]: Abstraction has 96 states and 121 transitions. [2018-11-18 10:54:11,198 INFO L608 BuchiCegarLoop]: Abstraction has 96 states and 121 transitions. [2018-11-18 10:54:11,198 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:54:11,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 121 transitions. [2018-11-18 10:54:11,200 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 10:54:11,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:54:11,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:54:11,200 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:11,200 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:11,201 INFO L794 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 241#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 242#L151 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 304#L144 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 305#L159 main_#t~ret33 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 243#L468 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 244#L443 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 294#L489 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, 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; 285#L177-3 [2018-11-18 10:54:11,201 INFO L796 eck$LassoCheckResult]: Loop: 285#L177-3 assume true; 302#L177-1 assume !false; 303#L178 assume test_~splverifierCounter~0 < 4; 235#L179 test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 236#L187 assume !(0 != test_~tmp~0); 264#L187-2 test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 226#L197 assume !(0 != test_~tmp___0~0); 228#L197-2 test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 253#L207 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 249#L380 assume { :end_inline_startSystem } true; 246#L215-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 247#L335 __utac_acc__Specification5_spec__2_#t~ret34 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34;havoc __utac_acc__Specification5_spec__2_#t~ret34; 310#L499 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 300#L250 assume !(0 != ~pumpRunning~0); 271#L250-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 259#L282 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 232#L274-1 assume { :end_inline_processEnvironment__wrappee__base } true; 233#L282-1 assume { :end_inline_processEnvironment } true; 296#L257-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35, __utac_acc__Specification5_spec__3_#t~ret36, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 297#L121 __utac_acc__Specification5_spec__3_#t~ret35 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret35;havoc __utac_acc__Specification5_spec__3_#t~ret35; 298#L510 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3); 231#L510-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 284#L267 assume { :end_inline_timeShift } true; 285#L177-3 [2018-11-18 10:54:11,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:11,201 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 10:54:11,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:54:11,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:54:11,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:11,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:11,251 INFO L82 PathProgramCache]: Analyzing trace with hash 902687649, now seen corresponding path program 1 times [2018-11-18 10:54:11,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:54:11,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:54:11,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,252 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:54:11,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:11,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1726354072, now seen corresponding path program 1 times [2018-11-18 10:54:11,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:54:11,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:54:11,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:11,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:11,341 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 10:54:11,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:54:11,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:54:11,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:54:11,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:54:11,453 INFO L87 Difference]: Start difference. First operand 96 states and 121 transitions. cyclomatic complexity: 27 Second operand 5 states. [2018-11-18 10:54:11,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:11,588 INFO L93 Difference]: Finished difference Result 271 states and 338 transitions. [2018-11-18 10:54:11,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:54:11,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 338 transitions. [2018-11-18 10:54:11,593 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 124 [2018-11-18 10:54:11,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 271 states and 338 transitions. [2018-11-18 10:54:11,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 271 [2018-11-18 10:54:11,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 271 [2018-11-18 10:54:11,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 271 states and 338 transitions. [2018-11-18 10:54:11,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:54:11,599 INFO L705 BuchiCegarLoop]: Abstraction has 271 states and 338 transitions. [2018-11-18 10:54:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states and 338 transitions. [2018-11-18 10:54:11,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 180. [2018-11-18 10:54:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-11-18 10:54:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2018-11-18 10:54:11,608 INFO L728 BuchiCegarLoop]: Abstraction has 180 states and 223 transitions. [2018-11-18 10:54:11,608 INFO L608 BuchiCegarLoop]: Abstraction has 180 states and 223 transitions. [2018-11-18 10:54:11,608 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:54:11,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 180 states and 223 transitions. [2018-11-18 10:54:11,609 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 124 [2018-11-18 10:54:11,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:54:11,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:54:11,610 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:11,610 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:11,611 INFO L794 eck$LassoCheckResult]: Stem: 668#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 110];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 102];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 44];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 80];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 117];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 109];#memory_int := #memory_int[#t~string24.base,4 + #t~string24.offset := 112];#memory_int := #memory_int[#t~string24.base,5 + #t~string24.offset := 58];#memory_int := #memory_int[#t~string24.base,6 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 110];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 79];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 102];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 41];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 32];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 10];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 624#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 625#L151 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 691#L144 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 692#L159 main_#t~ret33 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 626#L468 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 627#L443 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 679#L489 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, 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; 670#L177-3 [2018-11-18 10:54:11,611 INFO L796 eck$LassoCheckResult]: Loop: 670#L177-3 assume true; 693#L177-1 assume !false; 694#L178 assume test_~splverifierCounter~0 < 4; 618#L179 test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 619#L187 assume !(0 != test_~tmp~0); 649#L187-2 test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 609#L197 assume !(0 != test_~tmp___0~0); 611#L197-2 test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 636#L207 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 632#L380 assume { :end_inline_startSystem } true; 629#L215-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 630#L335 __utac_acc__Specification5_spec__2_#t~ret34 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34;havoc __utac_acc__Specification5_spec__2_#t~ret34; 702#L499 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 689#L250 assume !(0 != ~pumpRunning~0); 690#L250-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 642#L282 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 615#L274-1 assume { :end_inline_processEnvironment__wrappee__base } true; 616#L282-1 assume { :end_inline_processEnvironment } true; 683#L257-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35, __utac_acc__Specification5_spec__3_#t~ret36, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 684#L121 __utac_acc__Specification5_spec__3_#t~ret35 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret35;havoc __utac_acc__Specification5_spec__3_#t~ret35; 685#L510 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 701#L335-1 __utac_acc__Specification5_spec__3_#t~ret36 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret36;havoc __utac_acc__Specification5_spec__3_#t~ret36; 716#L514 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 614#L510-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 669#L267 assume { :end_inline_timeShift } true; 670#L177-3 [2018-11-18 10:54:11,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:11,611 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 10:54:11,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:54:11,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:54:11,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:11,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:11,647 INFO L82 PathProgramCache]: Analyzing trace with hash -119661892, now seen corresponding path program 1 times [2018-11-18 10:54:11,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:54:11,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:54:11,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,648 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:54:11,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:11,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1149788147, now seen corresponding path program 1 times [2018-11-18 10:54:11,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:54:11,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:54:11,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:11,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:54:11,810 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-11-18 10:55:33,725 WARN L180 SmtUtils]: Spent 1.36 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 10:56:16,374 WARN L180 SmtUtils]: Spent 42.65 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 10:56:16,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:56:16 BoogieIcfgContainer [2018-11-18 10:56:16,436 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:56:16,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:56:16,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:56:16,437 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:56:16,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:54:10" (3/4) ... [2018-11-18 10:56:16,440 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:56:16,487 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ada235a7-c8bf-4d77-be30-36e3421e44bb/bin-2019/uautomizer/witness.graphml [2018-11-18 10:56:16,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:56:16,487 INFO L168 Benchmark]: Toolchain (without parser) took 126620.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.6 MB in the beginning and 944.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 151.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:16,488 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:56:16,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:16,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:56:16,489 INFO L168 Benchmark]: Boogie Preprocessor took 27.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:16,489 INFO L168 Benchmark]: RCFGBuilder took 527.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:16,489 INFO L168 Benchmark]: BuchiAutomizer took 125608.75 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 38.3 MB). Free memory was 1.0 GB in the beginning and 944.8 MB in the end (delta: 81.4 MB). Peak memory consumption was 200.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:16,490 INFO L168 Benchmark]: Witness Printer took 50.01 ms. Allocated memory is still 1.2 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:56:16,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -133.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 527.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 125608.75 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 38.3 MB). Free memory was 1.0 GB in the beginning and 944.8 MB in the end (delta: 81.4 MB). Peak memory consumption was 200.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.01 ms. Allocated memory is still 1.2 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 180 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 125.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 125.2s. 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, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 180 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 296 SDtfs, 503 SDslu, 373 SDs, 0 SdLazy, 68 SolverSat, 22 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: 177]: 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, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=23, "Env(Water:%i"=16, retValue_acc=0, "OK"=11, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=36, "libacc.c"=22, methaneLevelCritical=0, tmp=1, "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=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1963bec3=0, "On"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56759124=0, "Off"=27, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7886c481=0, switchedOnBeforeTS=0, \result=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=40, \result=1, "\n"=0, ") "=0, "i > 0 && i <= this->argsCount"=19, tmp___0=0, "__utac__get_this_arg"=38, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, \result=1, retValue_acc=1, "Pump(System:"=34, head=0, pumpRunning=0, "__utac__get_this_arg"=18, \result=0, tmp___0=0, "__utac__get_this_argtype"=37, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e346c1d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ecd6c0b=0, "Pump(System:"=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=39, "Off"=31, "CRIT"=14, tmp___2=164, ") "=26, "On"=28, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "libacc.c"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bc62e98=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19a70cf0=164, "libacc.c"=20, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40b4e746=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@420b262c=0, head=0, "On"=0, "Off"=0, ",Pump:"=29, ",Pump:"=0, "On"=0, "\n"=24, ",Meth:"=15, "Off"=0, "libacc.c"=35, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 177]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L344] FCALL "Pump(System:" [L348] FCALL "On" [L352] FCALL "Off" [L356] FCALL ",Pump:" [L360] FCALL "On" [L364] FCALL "Off" [L368] FCALL ") " [L370] FCALL "\n" [L829] FCALL "i > 0 && i <= this->argsCount" [L829] FCALL "libacc.c" [L830] FCALL "__utac__get_this_arg" [L836] FCALL "i > 0 && i <= this->argsCount" [L836] FCALL "libacc.c" [L837] FCALL "__utac__get_this_arg" [L875] FCALL "i > 0 && i <= this->argsCount" [L875] FCALL "libacc.c" [L876] FCALL "__utac__get_this_argtype" [L882] FCALL "i > 0 && i <= this->argsCount" [L882] FCALL "libacc.c" [L883] FCALL "__utac__get_this_argtype" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L238] int pumpRunning = 0; [L239] int systemActive = 1; [L384] int cleanupTimeShifts = 4; [L483] int switchedOnBeforeTS ; [L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L459] int retValue_acc ; [L460] int tmp ; [L464] FCALL select_helpers() [L465] FCALL select_features() [L466] CALL, EXPR valid_product() [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] RET return (retValue_acc); [L466] EXPR valid_product() [L466] tmp = valid_product() [L468] COND TRUE \read(tmp) [L470] FCALL setup() [L471] CALL runTest() [L452] CALL __utac_acc__Specification5_spec__1() [L488] RET switchedOnBeforeTS = 0 [L452] __utac_acc__Specification5_spec__1() [L453] CALL test() [L168] int splverifierCounter ; [L169] int tmp ; [L170] int tmp___0 ; [L171] int tmp___1 ; [L172] int tmp___2 ; [L175] splverifierCounter = 0 Loop: [L177] COND TRUE 1 [L179] COND TRUE splverifierCounter < 4 [L185] tmp = __VERIFIER_nondet_int() [L187] COND FALSE !(\read(tmp)) [L195] tmp___0 = __VERIFIER_nondet_int() [L197] COND FALSE !(\read(tmp___0)) [L205] tmp___2 = __VERIFIER_nondet_int() [L207] COND TRUE \read(tmp___2) [L209] CALL startSystem() [L379] RET systemActive = 1 [L209] startSystem() [L222] CALL timeShift() [L248] CALL __utac_acc__Specification5_spec__2() [L497] CALL, EXPR isPumpRunning() [L331] int retValue_acc ; [L334] retValue_acc = pumpRunning [L335] RET return (retValue_acc); [L497] EXPR isPumpRunning() [L497] RET switchedOnBeforeTS = isPumpRunning() [L248] __utac_acc__Specification5_spec__2() [L250] COND FALSE !(\read(pumpRunning)) [L257] COND TRUE \read(systemActive) [L259] CALL processEnvironment() [L279] int tmp ; [L282] COND FALSE !(\read(pumpRunning)) [L297] RET, FCALL processEnvironment__wrappee__base() [L259] processEnvironment() [L265] CALL __utac_acc__Specification5_spec__3() [L503] int tmp ; [L504] int tmp___0 ; [L508] CALL, EXPR getWaterLevel() [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] RET return (retValue_acc); [L508] EXPR getWaterLevel() [L508] tmp = getWaterLevel() [L510] COND TRUE tmp != 2 [L512] CALL, EXPR isPumpRunning() [L331] int retValue_acc ; [L334] retValue_acc = pumpRunning [L335] RET return (retValue_acc); [L512] EXPR isPumpRunning() [L512] tmp___0 = isPumpRunning() [L514] COND FALSE, RET !(\read(tmp___0)) [L265] RET __utac_acc__Specification5_spec__3() [L222] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...