./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_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_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/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 ae33dcba0147a107c551c432e2bfc2c49f1e3070 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:36:36,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:36:36,231 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:36:36,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:36:36,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:36:36,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:36:36,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:36:36,240 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:36:36,241 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:36:36,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:36:36,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:36:36,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:36:36,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:36:36,243 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:36:36,244 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:36:36,245 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:36:36,245 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:36:36,247 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:36:36,248 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:36:36,249 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:36:36,250 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:36:36,250 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:36:36,252 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:36:36,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:36:36,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:36:36,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:36:36,254 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:36:36,255 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:36:36,255 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:36:36,256 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:36:36,256 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:36:36,257 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:36:36,257 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:36:36,257 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:36:36,257 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:36:36,258 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:36:36,258 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:36:36,268 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:36:36,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:36:36,269 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:36:36,270 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:36:36,270 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:36:36,270 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:36:36,270 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:36:36,270 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:36:36,270 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:36:36,270 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:36:36,271 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:36:36,271 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:36:36,271 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:36:36,271 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:36:36,271 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:36:36,271 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:36:36,271 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:36:36,272 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:36:36,272 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:36:36,272 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:36:36,272 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:36:36,272 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:36:36,272 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:36:36,272 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:36:36,273 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:36:36,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:36:36,273 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:36:36,273 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:36:36,273 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:36:36,273 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:36:36,274 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:36:36,274 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:36:36,274 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_f6d18f01-601a-44a4-b6d4-05b40436e1a4/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 -> ae33dcba0147a107c551c432e2bfc2c49f1e3070 [2018-11-18 09:36:36,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:36:36,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:36:36,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:36:36,309 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:36:36,309 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:36:36,310 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-18 09:36:36,350 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/data/fd4740251/a8f898a986ab4fe1bc7b5fbc21dcae55/FLAG158e9888c [2018-11-18 09:36:36,667 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:36:36,667 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-18 09:36:36,673 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/data/fd4740251/a8f898a986ab4fe1bc7b5fbc21dcae55/FLAG158e9888c [2018-11-18 09:36:36,682 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/data/fd4740251/a8f898a986ab4fe1bc7b5fbc21dcae55 [2018-11-18 09:36:36,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:36:36,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:36:36,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:36:36,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:36:36,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:36:36,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:36:36" (1/1) ... [2018-11-18 09:36:36,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139921c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:36, skipping insertion in model container [2018-11-18 09:36:36,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:36:36" (1/1) ... [2018-11-18 09:36:36,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:36:36,724 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:36:36,914 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:36:36,922 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:36:37,017 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:36:37,039 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:36:37,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37 WrapperNode [2018-11-18 09:36:37,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:36:37,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:36:37,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:36:37,040 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:36:37,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:36:37,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:36:37,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:36:37,096 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:36:37,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... [2018-11-18 09:36:37,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:36:37,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:36:37,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:36:37,135 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:36:37,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:36:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:36:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:36:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:36:37,832 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:36:37,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:36:37 BoogieIcfgContainer [2018-11-18 09:36:37,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:36:37,833 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:36:37,833 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:36:37,835 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:36:37,836 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:36:37,836 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:36:36" (1/3) ... [2018-11-18 09:36:37,837 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ca5d0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:36:37, skipping insertion in model container [2018-11-18 09:36:37,837 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:36:37,837 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:36:37" (2/3) ... [2018-11-18 09:36:37,837 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ca5d0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:36:37, skipping insertion in model container [2018-11-18 09:36:37,837 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:36:37,837 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:36:37" (3/3) ... [2018-11-18 09:36:37,839 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-18 09:36:37,870 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:36:37,870 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:36:37,870 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:36:37,871 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:36:37,871 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:36:37,871 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:36:37,871 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:36:37,871 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:36:37,871 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:36:37,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states. [2018-11-18 09:36:37,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2018-11-18 09:36:37,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:36:37,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:36:37,916 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:37,916 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:37,916 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:36:37,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states. [2018-11-18 09:36:37,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2018-11-18 09:36:37,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:36:37,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:36:37,924 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:37,924 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:37,928 INFO L794 eck$LassoCheckResult]: Stem: 80#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 190#L733true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 103#L726true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 71#L741true main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 51#L967true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 221#L944true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 127#L420-3true [2018-11-18 09:36:37,928 INFO L796 eck$LassoCheckResult]: Loop: 127#L420-3true assume true; 120#L420-1true assume !false; 222#L421true assume test_~splverifierCounter~0 < 4; 55#L422true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 195#L430true assume !(0 != test_~tmp~3); 196#L430-2true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 88#L440true assume !(0 != test_~tmp___0~0); 93#L440-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 23#L450true assume 0 != test_~tmp___2~0; 112#L456-2true assume { :begin_inline_timeShift } true; 259#L492true assume !(0 != ~pumpRunning~0); 264#L492-2true assume !(0 != ~systemActive~0); 50#L499-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 97#L831true __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 208#L867true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 209#L867-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 215#L509true assume { :end_inline_timeShift } true; 127#L420-3true [2018-11-18 09:36:37,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:37,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:36:37,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:36:37,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:36:37,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:37,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:37,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:38,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1224584013, now seen corresponding path program 1 times [2018-11-18 09:36:38,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:36:38,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:36:38,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:38,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:38,099 INFO L82 PathProgramCache]: Analyzing trace with hash 2138701679, now seen corresponding path program 1 times [2018-11-18 09:36:38,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:36:38,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:36:38,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:38,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:36:38,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:36:38,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:36:38,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:36:38,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:36:38,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:36:38,337 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 6 states. [2018-11-18 09:36:38,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:36:38,481 INFO L93 Difference]: Finished difference Result 269 states and 357 transitions. [2018-11-18 09:36:38,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:36:38,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 357 transitions. [2018-11-18 09:36:38,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2018-11-18 09:36:38,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 259 states and 347 transitions. [2018-11-18 09:36:38,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 259 [2018-11-18 09:36:38,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 259 [2018-11-18 09:36:38,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 259 states and 347 transitions. [2018-11-18 09:36:38,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:36:38,498 INFO L705 BuchiCegarLoop]: Abstraction has 259 states and 347 transitions. [2018-11-18 09:36:38,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states and 347 transitions. [2018-11-18 09:36:38,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-11-18 09:36:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-11-18 09:36:38,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 347 transitions. [2018-11-18 09:36:38,526 INFO L728 BuchiCegarLoop]: Abstraction has 259 states and 347 transitions. [2018-11-18 09:36:38,526 INFO L608 BuchiCegarLoop]: Abstraction has 259 states and 347 transitions. [2018-11-18 09:36:38,526 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:36:38,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 259 states and 347 transitions. [2018-11-18 09:36:38,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2018-11-18 09:36:38,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:36:38,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:36:38,529 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:38,529 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 09:36:38,529 INFO L794 eck$LassoCheckResult]: Stem: 686#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 575#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 576#L733 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 718#L726 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 667#L741 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 640#L967 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 641#L944 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 741#L420-3 [2018-11-18 09:36:38,529 INFO L796 eck$LassoCheckResult]: Loop: 741#L420-3 assume true; 732#L420-1 assume !false; 733#L421 assume test_~splverifierCounter~0 < 4; 646#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 647#L430 assume !(0 != test_~tmp~3); 652#L430-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 696#L440 assume !(0 != test_~tmp___0~0); 587#L440-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 592#L450 assume 0 != test_~tmp___2~0; 593#L456-2 assume { :begin_inline_timeShift } true; 724#L492 assume !(0 != ~pumpRunning~0); 805#L492-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 660#L576 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~3;havoc isMethaneAlarm_~retValue_acc~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 661#L799 isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~3; 655#L620 processEnvironment_#t~ret41 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~6 := processEnvironment_#t~ret41;havoc processEnvironment_#t~ret41; 656#L580 assume 0 != processEnvironment_~tmp~6;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 563#L610 assume { :end_inline_deactivatePump } true; 564#L576-1 assume { :end_inline_processEnvironment } true; 638#L499-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 639#L831 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 709#L867 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 782#L867-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 794#L509 assume { :end_inline_timeShift } true; 741#L420-3 [2018-11-18 09:36:38,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:38,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:36:38,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:36:38,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:36:38,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:38,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:38,572 INFO L82 PathProgramCache]: Analyzing trace with hash -917613220, now seen corresponding path program 1 times [2018-11-18 09:36:38,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:36:38,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:36:38,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,573 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:36:38,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:36:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:36:38,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:36:38,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:36:38,597 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:36:38,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:36:38,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:36:38,598 INFO L87 Difference]: Start difference. First operand 259 states and 347 transitions. cyclomatic complexity: 90 Second operand 3 states. [2018-11-18 09:36:38,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:36:38,682 INFO L93 Difference]: Finished difference Result 271 states and 342 transitions. [2018-11-18 09:36:38,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:36:38,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 342 transitions. [2018-11-18 09:36:38,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2018-11-18 09:36:38,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 271 states and 342 transitions. [2018-11-18 09:36:38,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 271 [2018-11-18 09:36:38,687 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 271 [2018-11-18 09:36:38,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 271 states and 342 transitions. [2018-11-18 09:36:38,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:36:38,688 INFO L705 BuchiCegarLoop]: Abstraction has 271 states and 342 transitions. [2018-11-18 09:36:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states and 342 transitions. [2018-11-18 09:36:38,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-11-18 09:36:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-11-18 09:36:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 342 transitions. [2018-11-18 09:36:38,697 INFO L728 BuchiCegarLoop]: Abstraction has 271 states and 342 transitions. [2018-11-18 09:36:38,697 INFO L608 BuchiCegarLoop]: Abstraction has 271 states and 342 transitions. [2018-11-18 09:36:38,697 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:36:38,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 271 states and 342 transitions. [2018-11-18 09:36:38,699 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2018-11-18 09:36:38,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:36:38,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:36:38,700 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:38,700 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:36:38,700 INFO L794 eck$LassoCheckResult]: Stem: 1190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1103#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1104#L733 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1217#L726 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1173#L741 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 1151#L967 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1152#L944 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1232#L420-3 [2018-11-18 09:36:38,700 INFO L796 eck$LassoCheckResult]: Loop: 1232#L420-3 assume true; 1227#L420-1 assume !false; 1228#L421 assume test_~splverifierCounter~0 < 4; 1155#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 1156#L430 assume !(0 != test_~tmp~3); 1160#L430-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 1199#L440 assume !(0 != test_~tmp___0~0); 1115#L440-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 1124#L450 assume 0 != test_~tmp___2~0; 1125#L456-2 assume { :begin_inline_timeShift } true; 1223#L492 assume !(0 != ~pumpRunning~0); 1306#L492-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1167#L576 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 1168#L550-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 1197#L524-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 1267#L839-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 1287#L844-3 isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; 1264#L678-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 1265#L678-11 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 1242#L684-3 processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; 1193#L528-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 1105#L516-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1106#L524-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1198#L550-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1096#L576-1 assume { :end_inline_processEnvironment } true; 1149#L499-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1150#L831 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 1209#L867 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 1266#L867-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1280#L509 assume { :end_inline_timeShift } true; 1232#L420-3 [2018-11-18 09:36:38,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:38,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 09:36:38,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:36:38,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:36:38,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:38,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:38,736 INFO L82 PathProgramCache]: Analyzing trace with hash 700719388, now seen corresponding path program 1 times [2018-11-18 09:36:38,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:36:38,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:36:38,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,737 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:36:38,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:36:38,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1097910240, now seen corresponding path program 1 times [2018-11-18 09:36:38,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:36:38,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:36:38,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:36:38,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:36:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:36:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:57,474 WARN L180 SmtUtils]: Spent 1.31 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:38:37,114 WARN L180 SmtUtils]: Spent 39.64 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:38:37,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:38:37 BoogieIcfgContainer [2018-11-18 09:38:37,178 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:38:37,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:38:37,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:38:37,179 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:38:37,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:36:37" (3/4) ... [2018-11-18 09:38:37,182 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:38:37,225 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6d18f01-601a-44a4-b6d4-05b40436e1a4/bin-2019/uautomizer/witness.graphml [2018-11-18 09:38:37,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:38:37,226 INFO L168 Benchmark]: Toolchain (without parser) took 120542.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 955.5 MB in the beginning and 854.7 MB in the end (delta: 100.8 MB). Peak memory consumption was 207.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:37,226 INFO L168 Benchmark]: CDTParser took 0.15 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 09:38:37,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:37,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:37,227 INFO L168 Benchmark]: Boogie Preprocessor took 38.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:37,227 INFO L168 Benchmark]: RCFGBuilder took 698.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:37,228 INFO L168 Benchmark]: BuchiAutomizer took 119345.63 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -18.9 MB). Free memory was 1.0 GB in the beginning and 861.4 MB in the end (delta: 153.4 MB). Peak memory consumption was 166.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:37,228 INFO L168 Benchmark]: Witness Printer took 46.52 ms. Allocated memory is still 1.1 GB. Free memory was 861.4 MB in the beginning and 854.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:37,230 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 698.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 119345.63 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -18.9 MB). Free memory was 1.0 GB in the beginning and 861.4 MB in the end (delta: 153.4 MB). Peak memory consumption was 166.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.52 ms. Allocated memory is still 1.1 GB. Free memory was 861.4 MB in the beginning and 854.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 271 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 119.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 118.9s. 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 271 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 632 SDtfs, 1239 SDslu, 122 SDs, 0 SdLazy, 50 SolverSat, 36 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: 420]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Env(Water:%i"=0, "On"=0, retValue_acc=1, "On"=33, ")"=39, "Pump(System:"=0, "Env(Water:%i"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cb3ca46=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11ebd55e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a97ed73=0, ") "=24, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, tmp=0, ",Meth:"=0, "OK"=0, "CRIT"=0, tmp___1=0, "__utac__get_this_argtype"=18, tmp=0, "__utac__get_this_arg"=22, "__utac__get_this_arg"=8, "libacc.c"=19, tmp=0, cleanupTimeShifts=4, "libacc.c"=15, ",Pump:"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@323fa41f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16a96379=160, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f0e2191=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51390934=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e86162f=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24e551dc=0, NULL=0, systemActive=1, waterLevel=1, "OK"=38, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d5ef463=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "\n"=26, \result=0, "Pump(System:"=34, "Off"=0, tmp___0=0, "On"=0, ",Pump:"=0, "\n"=0, ") "=0, \result=1, retValue_acc=0, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, \result=0, "On"=28, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "Off"=31, "CRIT"=37, "libacc.c"=23, retValue_acc=1, ")"=0, tmp=1, tmp___2=160, retValue_acc=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6de59133=0, "i > 0 && i <= this->argsCount"=17, splverifierCounter=0, head=0, "libacc.c"=0, "libacc.c"=12, tmp=0, "i > 0 && i <= this->argsCount"=20, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=16, "libacc.c"=0, "libacc.c"=0, "Off"=27, "Off"=0, ",Meth:"=35} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 420]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L638] FCALL "Pump(System:" [L642] FCALL "On" [L646] FCALL "Off" [L650] FCALL ",Pump:" [L654] FCALL "On" [L658] FCALL "Off" [L662] FCALL ") " [L664] FCALL "\n" [L808] FCALL "Env(Water:%i" [L809] FCALL ",Meth:" [L813] FCALL "CRIT" [L817] FCALL "OK" [L821] FCALL ")" [L484] int pumpRunning = 0; [L485] int systemActive = 1; [L756] int waterLevel = 1; [L757] int methaneLevelCritical = 0; [L885] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L958] int retValue_acc ; [L959] int tmp ; [L963] FCALL select_helpers() [L964] FCALL select_features() [L965] CALL, EXPR valid_product() [L737] int retValue_acc ; [L740] retValue_acc = 1 [L741] RET return (retValue_acc); [L965] EXPR valid_product() [L965] tmp = valid_product() [L967] COND TRUE \read(tmp) [L969] FCALL setup() [L970] CALL runTest() [L952] CALL test() [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) [L463] CALL timeShift() [L492] COND FALSE !(\read(pumpRunning)) [L499] COND TRUE \read(systemActive) [L501] CALL processEnvironment() [L573] int tmp ; [L576] COND FALSE !(\read(pumpRunning)) [L591] CALL processEnvironment__wrappee__lowWaterSensor() [L547] int tmp ; [L550] COND FALSE !(\read(pumpRunning)) [L565] CALL processEnvironment__wrappee__highWaterSensor() [L521] int tmp ; [L524] COND TRUE ! pumpRunning [L526] CALL, EXPR isHighWaterLevel() [L670] int retValue_acc ; [L671] int tmp ; [L672] int tmp___0 ; [L676] CALL, EXPR isHighWaterSensorDry() [L836] int retValue_acc ; [L839] COND TRUE waterLevel < 2 [L840] retValue_acc = 1 [L841] RET return (retValue_acc); [L676] EXPR isHighWaterSensorDry() [L676] tmp = isHighWaterSensorDry() [L678] COND TRUE \read(tmp) [L679] tmp___0 = 0 [L683] retValue_acc = tmp___0 [L684] RET return (retValue_acc); [L526] EXPR isHighWaterLevel() [L526] tmp = isHighWaterLevel() [L528] COND FALSE !(\read(tmp)) [L534] RET, FCALL processEnvironment__wrappee__base() [L565] RET processEnvironment__wrappee__highWaterSensor() [L591] RET processEnvironment__wrappee__lowWaterSensor() [L501] processEnvironment() [L507] CALL __utac_acc__Specification4_spec__1() [L860] int tmp ; [L861] int tmp___0 ; [L865] CALL, EXPR getWaterLevel() [L827] int retValue_acc ; [L830] retValue_acc = waterLevel [L831] RET return (retValue_acc); [L865] EXPR getWaterLevel() [L865] tmp = getWaterLevel() [L867] COND FALSE, RET !(tmp == 0) [L507] RET __utac_acc__Specification4_spec__1() [L463] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...