./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product27_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_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/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 8a86e2c2f9844e6977fd90934a9b91c076ab32f2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:30:24,200 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:30:24,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:30:24,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:30:24,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:30:24,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:30:24,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:30:24,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:30:24,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:30:24,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:30:24,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:30:24,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:30:24,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:30:24,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:30:24,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:30:24,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:30:24,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:30:24,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:30:24,221 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:30:24,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:30:24,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:30:24,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:30:24,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:30:24,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:30:24,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:30:24,227 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:30:24,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:30:24,228 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:30:24,229 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:30:24,230 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:30:24,230 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:30:24,231 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:30:24,231 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:30:24,231 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:30:24,232 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:30:24,233 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:30:24,233 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:30:24,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:30:24,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:30:24,245 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:30:24,245 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:30:24,245 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:30:24,245 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:30:24,246 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:30:24,246 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:30:24,247 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:30:24,247 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:30:24,247 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:30:24,247 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:30:24,247 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:30:24,247 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:30:24,247 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:30:24,247 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:30:24,248 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:30:24,248 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:30:24,248 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:30:24,248 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:30:24,248 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:30:24,248 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:30:24,248 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:30:24,249 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:30:24,249 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:30:24,249 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:30:24,249 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:30:24,249 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:30:24,249 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:30:24,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:30:24,249 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:30:24,250 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:30:24,252 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_723f8c5d-1c8b-4e79-8205-3fd26364a33d/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 -> 8a86e2c2f9844e6977fd90934a9b91c076ab32f2 [2018-11-18 10:30:24,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:30:24,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:30:24,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:30:24,290 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:30:24,291 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:30:24,291 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product27_true-unreach-call_false-termination.cil.c [2018-11-18 10:30:24,340 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/data/803ca219e/0a68dfeed4a7449599750fa4749eb246/FLAG3584760b3 [2018-11-18 10:30:24,713 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:30:24,714 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/sv-benchmarks/c/product-lines/minepump_spec5_product27_true-unreach-call_false-termination.cil.c [2018-11-18 10:30:24,723 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/data/803ca219e/0a68dfeed4a7449599750fa4749eb246/FLAG3584760b3 [2018-11-18 10:30:25,109 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/data/803ca219e/0a68dfeed4a7449599750fa4749eb246 [2018-11-18 10:30:25,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:30:25,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:30:25,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:30:25,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:30:25,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:30:25,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54dce543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25, skipping insertion in model container [2018-11-18 10:30:25,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:30:25,153 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:30:25,348 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:30:25,357 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:30:25,464 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:30:25,482 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:30:25,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25 WrapperNode [2018-11-18 10:30:25,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:30:25,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:30:25,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:30:25,484 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:30:25,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:30:25,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:30:25,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:30:25,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:30:25,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... [2018-11-18 10:30:25,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:30:25,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:30:25,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:30:25,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:30:25,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/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 10:30:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:30:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:30:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:30:26,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:30:26,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:30:26 BoogieIcfgContainer [2018-11-18 10:30:26,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:30:26,142 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:30:26,142 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:30:26,144 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:30:26,145 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:30:26,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:30:25" (1/3) ... [2018-11-18 10:30:26,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d484fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:30:26, skipping insertion in model container [2018-11-18 10:30:26,146 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:30:26,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:30:25" (2/3) ... [2018-11-18 10:30:26,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d484fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:30:26, skipping insertion in model container [2018-11-18 10:30:26,146 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:30:26,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:30:26" (3/3) ... [2018-11-18 10:30:26,148 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product27_true-unreach-call_false-termination.cil.c [2018-11-18 10:30:26,182 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:30:26,182 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:30:26,182 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:30:26,182 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:30:26,183 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:30:26,183 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:30:26,183 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:30:26,183 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:30:26,183 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:30:26,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2018-11-18 10:30:26,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2018-11-18 10:30:26,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:30:26,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:30:26,220 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:30:26,221 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] [2018-11-18 10:30:26,221 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:30:26,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2018-11-18 10:30:26,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2018-11-18 10:30:26,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:30:26,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:30:26,226 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:30:26,226 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] [2018-11-18 10:30:26,230 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];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 := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 19#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 64#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 12#L73true main_#t~ret49 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 51#L686true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 70#L661true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 21#L87true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 39#L711-3true [2018-11-18 10:30:26,230 INFO L796 eck$LassoCheckResult]: Loop: 39#L711-3true assume true; 50#L711-1true assume !false; 114#L712true assume test_~splverifierCounter~0 < 4; 72#L713true test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 91#L721true assume !(0 != test_~tmp~5); 94#L721-2true test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 25#L731true assume !(0 != test_~tmp___0~1); 5#L731-2true test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 62#L741true assume 0 != test_~tmp___2~0; 35#L747-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 100#L883true __utac_acc__Specification5_spec__2_#t~ret1 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret1;havoc __utac_acc__Specification5_spec__2_#t~ret1; 58#L97true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 41#L780true assume !(0 != ~pumpRunning~0); 47#L780-2true assume !(0 != ~systemActive~0); 90#L787-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_#t~ret3, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 9#L577true __utac_acc__Specification5_spec__3_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 60#L108true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 57#L108-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 18#L797true assume { :end_inline_timeShift } true; 39#L711-3true [2018-11-18 10:30:26,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:26,236 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 10:30:26,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:26,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:26,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:30:26,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:26,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:26,397 INFO L82 PathProgramCache]: Analyzing trace with hash -42701987, now seen corresponding path program 1 times [2018-11-18 10:30:26,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:26,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:26,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:30:26,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:26,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:26,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1387046356, now seen corresponding path program 1 times [2018-11-18 10:30:26,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:26,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:26,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:30:26,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:30:26,545 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 10:30:26,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:30:26,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:30:26,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:30:26,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:30:26,653 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 6 states. [2018-11-18 10:30:26,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:30:26,842 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2018-11-18 10:30:26,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:30:26,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 297 states and 378 transitions. [2018-11-18 10:30:26,849 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 191 [2018-11-18 10:30:26,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 297 states to 267 states and 348 transitions. [2018-11-18 10:30:26,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 267 [2018-11-18 10:30:26,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 267 [2018-11-18 10:30:26,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 267 states and 348 transitions. [2018-11-18 10:30:26,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:30:26,860 INFO L705 BuchiCegarLoop]: Abstraction has 267 states and 348 transitions. [2018-11-18 10:30:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states and 348 transitions. [2018-11-18 10:30:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 168. [2018-11-18 10:30:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-11-18 10:30:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 219 transitions. [2018-11-18 10:30:26,894 INFO L728 BuchiCegarLoop]: Abstraction has 168 states and 219 transitions. [2018-11-18 10:30:26,895 INFO L608 BuchiCegarLoop]: Abstraction has 168 states and 219 transitions. [2018-11-18 10:30:26,895 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:30:26,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 219 transitions. [2018-11-18 10:30:26,897 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2018-11-18 10:30:26,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:30:26,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:30:26,898 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:30:26,898 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:30:26,899 INFO L794 eck$LassoCheckResult]: Stem: 522#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];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 := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 455#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 458#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 449#L73 main_#t~ret49 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 450#L686 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 498#L661 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 459#L87 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 457#L711-3 [2018-11-18 10:30:26,899 INFO L796 eck$LassoCheckResult]: Loop: 457#L711-3 assume true; 486#L711-1 assume !false; 497#L712 assume test_~splverifierCounter~0 < 4; 512#L713 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 513#L721 assume !(0 != test_~tmp~5); 526#L721-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 464#L731 assume !(0 != test_~tmp___0~1); 435#L731-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 436#L741 assume 0 != test_~tmp___2~0; 479#L747-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 480#L883 __utac_acc__Specification5_spec__2_#t~ret1 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret1;havoc __utac_acc__Specification5_spec__2_#t~ret1; 503#L97 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 489#L780 assume !(0 != ~pumpRunning~0); 469#L780-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 494#L812 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 506#L804-1 assume { :end_inline_processEnvironment__wrappee__base } true; 505#L812-1 assume { :end_inline_processEnvironment } true; 520#L787-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_#t~ret3, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 443#L577 __utac_acc__Specification5_spec__3_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 444#L108 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 502#L108-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 456#L797 assume { :end_inline_timeShift } true; 457#L711-3 [2018-11-18 10:30:26,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:26,899 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 10:30:26,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:26,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:26,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:30:26,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:26,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:26,948 INFO L82 PathProgramCache]: Analyzing trace with hash -67914520, now seen corresponding path program 1 times [2018-11-18 10:30:26,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:26,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:26,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,950 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:30:26,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:26,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:26,960 INFO L82 PathProgramCache]: Analyzing trace with hash 374297361, now seen corresponding path program 1 times [2018-11-18 10:30:26,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:26,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:26,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:30:26,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:30:27,040 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 10:30:27,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:30:27,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:30:27,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:30:27,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:30:27,109 INFO L87 Difference]: Start difference. First operand 168 states and 219 transitions. cyclomatic complexity: 54 Second operand 5 states. [2018-11-18 10:30:27,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:30:27,265 INFO L93 Difference]: Finished difference Result 456 states and 586 transitions. [2018-11-18 10:30:27,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:30:27,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 456 states and 586 transitions. [2018-11-18 10:30:27,271 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 228 [2018-11-18 10:30:27,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 456 states to 456 states and 586 transitions. [2018-11-18 10:30:27,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 456 [2018-11-18 10:30:27,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 456 [2018-11-18 10:30:27,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 456 states and 586 transitions. [2018-11-18 10:30:27,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:30:27,277 INFO L705 BuchiCegarLoop]: Abstraction has 456 states and 586 transitions. [2018-11-18 10:30:27,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states and 586 transitions. [2018-11-18 10:30:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 320. [2018-11-18 10:30:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-18 10:30:27,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 408 transitions. [2018-11-18 10:30:27,292 INFO L728 BuchiCegarLoop]: Abstraction has 320 states and 408 transitions. [2018-11-18 10:30:27,293 INFO L608 BuchiCegarLoop]: Abstraction has 320 states and 408 transitions. [2018-11-18 10:30:27,293 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:30:27,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 320 states and 408 transitions. [2018-11-18 10:30:27,295 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 228 [2018-11-18 10:30:27,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:30:27,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:30:27,296 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:30:27,296 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] [2018-11-18 10:30:27,296 INFO L794 eck$LassoCheckResult]: Stem: 1174#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];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 := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 80];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 117];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 109];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 112];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 110];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 102];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 32];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 10];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1095#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 1096#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1099#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1090#L73 main_#t~ret49 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 1091#L686 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 1146#L661 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1100#L87 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1098#L711-3 [2018-11-18 10:30:27,296 INFO L796 eck$LassoCheckResult]: Loop: 1098#L711-3 assume true; 1144#L711-1 assume !false; 1145#L712 assume test_~splverifierCounter~0 < 4; 1161#L713 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 1162#L721 assume !(0 != test_~tmp~5); 1178#L721-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 1106#L731 assume !(0 != test_~tmp___0~1); 1075#L731-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 1076#L741 assume 0 != test_~tmp___2~0; 1121#L747-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 1122#L883 __utac_acc__Specification5_spec__2_#t~ret1 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret1;havoc __utac_acc__Specification5_spec__2_#t~ret1; 1152#L97 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1134#L780 assume !(0 != ~pumpRunning~0); 1135#L780-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1141#L812 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1155#L804-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1154#L812-1 assume { :end_inline_processEnvironment } true; 1172#L787-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_#t~ret3, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 1084#L577 __utac_acc__Specification5_spec__3_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 1085#L108 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 1153#L883-1 __utac_acc__Specification5_spec__3_#t~ret3 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret3;havoc __utac_acc__Specification5_spec__3_#t~ret3; 1189#L112 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 1151#L108-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1097#L797 assume { :end_inline_timeShift } true; 1098#L711-3 [2018-11-18 10:30:27,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:27,297 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 10:30:27,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:27,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:27,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:27,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:30:27,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:27,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:27,331 INFO L82 PathProgramCache]: Analyzing trace with hash -860442557, now seen corresponding path program 1 times [2018-11-18 10:30:27,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:27,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:27,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:27,332 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:30:27,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:27,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:30:27,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1096587220, now seen corresponding path program 1 times [2018-11-18 10:30:27,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:30:27,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:30:27,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:27,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:30:27,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:30:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:30:27,494 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-11-18 10:31:49,109 WARN L180 SmtUtils]: Spent 1.36 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 10:32:37,180 WARN L180 SmtUtils]: Spent 48.07 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 10:32:37,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:32:37 BoogieIcfgContainer [2018-11-18 10:32:37,239 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:32:37,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:32:37,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:32:37,240 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:32:37,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:30:26" (3/4) ... [2018-11-18 10:32:37,243 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:32:37,284 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_723f8c5d-1c8b-4e79-8205-3fd26364a33d/bin-2019/uautomizer/witness.graphml [2018-11-18 10:32:37,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:32:37,285 INFO L168 Benchmark]: Toolchain (without parser) took 132173.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.2 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:37,285 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:32:37,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:37,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:37,286 INFO L168 Benchmark]: Boogie Preprocessor took 25.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:37,287 INFO L168 Benchmark]: RCFGBuilder took 592.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:37,287 INFO L168 Benchmark]: BuchiAutomizer took 131097.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -43.8 MB). Peak memory consumption was 287.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:37,288 INFO L168 Benchmark]: Witness Printer took 44.77 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:32:37,289 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 592.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 131097.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -43.8 MB). Peak memory consumption was 287.0 MB. Max. memory is 11.5 GB. * Witness Printer took 44.77 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 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 320 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 131.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 130.5s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 235 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 320 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 333 SDtfs, 993 SDslu, 1196 SDs, 0 SdLazy, 122 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 711]: 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, ",Pump:"=0, "Off"=0, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@796e3859=0, "OK"=12, "Env(Water:%i"=0, "CRIT"=0, "On"=0, retValue_acc=0, ",Meth:"=0, "\n"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@258adbc1=0, ",Pump:"=37, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f90525c=181, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@314a855d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3165fc13=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2afee57d=0, tmp=0, "Off"=0, "__utac__get_this_argtype"=20, "On"=0, "Off"=34, tmp___1=0, tmp=1, "libacc.c"=29, "__utac__get_this_argtype"=17, retValue_acc=0, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=19, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=27, "i > 0 && i <= this->argsCount"=23, ",Meth:"=15, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d32817=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, "Pump(System:"=11, "CRIT"=14, "On"=35, "Pump(System:"=0, tmp___0=0, \result=1, head=0, pumpRunning=0, \result=0, tmp=1, "__utac__get_this_argtype"=0, "On"=38, ") "=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=18, ")"=8, "i > 0 && i <= this->argsCount"=31, "\n"=0, retValue_acc=1, retValue_acc=1, tmp___2=181, tmp___0=0, "libacc.c"=26, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb39e69=0, ") "=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@865196f=0, head=0, "libacc.c"=0, "__utac__get_this_arg"=28, "__utac__get_this_arg"=0, tmp=0, "__utac__get_this_arg"=24, "libacc.c"=22, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=16, "Off"=36, ")"=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 711]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L427] FCALL "i > 0 && i <= this->argsCount" [L427] FCALL "libacc.c" [L428] FCALL "__utac__get_this_arg" [L434] FCALL "i > 0 && i <= this->argsCount" [L434] FCALL "libacc.c" [L435] FCALL "__utac__get_this_arg" [L473] FCALL "i > 0 && i <= this->argsCount" [L473] FCALL "libacc.c" [L474] FCALL "__utac__get_this_argtype" [L480] FCALL "i > 0 && i <= this->argsCount" [L480] FCALL "libacc.c" [L481] FCALL "__utac__get_this_argtype" [L554] FCALL "Env(Water:%i" [L555] FCALL ",Meth:" [L559] FCALL "CRIT" [L563] FCALL "OK" [L567] FCALL ")" [L892] FCALL "Pump(System:" [L896] FCALL "On" [L900] FCALL "Off" [L904] FCALL ",Pump:" [L908] FCALL "On" [L912] FCALL "Off" [L916] FCALL ") " [L918] FCALL "\n" [L81] int switchedOnBeforeTS ; [L502] int waterLevel = 1; [L503] int methaneLevelCritical = 0; [L600] int cleanupTimeShifts = 4; [L770] int pumpRunning = 0; [L771] int systemActive = 1; [L299] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L677] int retValue_acc ; [L678] int tmp ; [L682] FCALL select_helpers() [L683] FCALL select_features() [L684] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L684] EXPR valid_product() [L684] tmp = valid_product() [L686] COND TRUE \read(tmp) [L688] FCALL setup() [L689] CALL runTest() [L670] CALL __utac_acc__Specification5_spec__1() [L86] RET switchedOnBeforeTS = 0 [L670] __utac_acc__Specification5_spec__1() [L671] CALL test() [L702] int splverifierCounter ; [L703] int tmp ; [L704] int tmp___0 ; [L705] int tmp___1 ; [L706] int tmp___2 ; [L709] splverifierCounter = 0 Loop: [L711] COND TRUE 1 [L713] COND TRUE splverifierCounter < 4 [L719] tmp = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp)) [L729] tmp___0 = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp___0)) [L739] tmp___2 = __VERIFIER_nondet_int() [L741] COND TRUE \read(tmp___2) [L756] CALL timeShift() [L778] CALL __utac_acc__Specification5_spec__2() [L95] CALL, EXPR isPumpRunning() [L879] int retValue_acc ; [L882] retValue_acc = pumpRunning [L883] RET return (retValue_acc); [L95] EXPR isPumpRunning() [L95] RET switchedOnBeforeTS = isPumpRunning() [L778] __utac_acc__Specification5_spec__2() [L780] COND FALSE !(\read(pumpRunning)) [L787] COND TRUE \read(systemActive) [L789] CALL processEnvironment() [L809] int tmp ; [L812] COND FALSE !(\read(pumpRunning)) [L827] RET, FCALL processEnvironment__wrappee__base() [L789] processEnvironment() [L795] CALL __utac_acc__Specification5_spec__3() [L101] int tmp ; [L102] int tmp___0 ; [L106] CALL, EXPR getWaterLevel() [L573] int retValue_acc ; [L576] retValue_acc = waterLevel [L577] RET return (retValue_acc); [L106] EXPR getWaterLevel() [L106] tmp = getWaterLevel() [L108] COND TRUE tmp != 2 [L110] CALL, EXPR isPumpRunning() [L879] int retValue_acc ; [L882] retValue_acc = pumpRunning [L883] RET return (retValue_acc); [L110] EXPR isPumpRunning() [L110] tmp___0 = isPumpRunning() [L112] COND FALSE, RET !(\read(tmp___0)) [L795] RET __utac_acc__Specification5_spec__3() [L756] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...