./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product63_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_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/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 7c9d11b324245890faf2aa5cc0763c01a125dd6d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:08:29,479 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:08:29,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:08:29,487 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:08:29,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:08:29,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:08:29,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:08:29,489 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:08:29,490 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:08:29,491 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:08:29,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:08:29,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:08:29,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:08:29,492 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:08:29,493 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:08:29,496 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:08:29,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:08:29,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:08:29,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:08:29,499 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:08:29,500 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:08:29,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:08:29,502 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:08:29,503 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:08:29,503 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:08:29,503 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:08:29,504 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:08:29,504 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:08:29,505 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:08:29,505 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:08:29,506 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:08:29,506 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:08:29,506 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:08:29,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:08:29,507 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:08:29,507 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:08:29,507 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:08:29,516 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:08:29,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:08:29,517 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:08:29,517 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:08:29,518 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:08:29,518 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:08:29,518 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:08:29,518 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:08:29,518 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:08:29,518 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:08:29,518 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:08:29,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:08:29,519 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:08:29,519 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:08:29,519 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:08:29,519 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:08:29,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:08:29,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:08:29,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:08:29,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:08:29,520 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:08:29,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:08:29,520 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:08:29,520 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:08:29,520 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:08:29,520 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:08:29,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:08:29,521 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:08:29,521 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:08:29,521 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:08:29,521 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:08:29,522 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:08:29,522 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_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/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 -> 7c9d11b324245890faf2aa5cc0763c01a125dd6d [2018-11-18 09:08:29,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:08:29,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:08:29,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:08:29,558 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:08:29,559 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:08:29,559 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-11-18 09:08:29,599 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/data/a2301bf36/2e724a1b4de1421e8175a6fccef160b5/FLAGd7c44a636 [2018-11-18 09:08:30,049 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:08:30,050 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-11-18 09:08:30,064 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/data/a2301bf36/2e724a1b4de1421e8175a6fccef160b5/FLAGd7c44a636 [2018-11-18 09:08:30,081 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/data/a2301bf36/2e724a1b4de1421e8175a6fccef160b5 [2018-11-18 09:08:30,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:08:30,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:08:30,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:08:30,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:08:30,088 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:08:30,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bea0e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30, skipping insertion in model container [2018-11-18 09:08:30,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:08:30,133 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:08:30,342 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:08:30,352 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:08:30,454 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:08:30,473 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:08:30,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30 WrapperNode [2018-11-18 09:08:30,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:08:30,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:08:30,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:08:30,474 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:08:30,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:08:30,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:08:30,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:08:30,536 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:08:30,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... [2018-11-18 09:08:30,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:08:30,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:08:30,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:08:30,583 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:08:30,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/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 09:08:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:08:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:08:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:08:31,427 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:08:31,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:31 BoogieIcfgContainer [2018-11-18 09:08:31,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:08:31,428 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:08:31,429 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:08:31,431 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:08:31,431 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:08:31,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:08:30" (1/3) ... [2018-11-18 09:08:31,432 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19a9be6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:08:31, skipping insertion in model container [2018-11-18 09:08:31,432 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:08:31,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:30" (2/3) ... [2018-11-18 09:08:31,433 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19a9be6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:08:31, skipping insertion in model container [2018-11-18 09:08:31,433 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:08:31,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:31" (3/3) ... [2018-11-18 09:08:31,435 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-11-18 09:08:31,469 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:08:31,470 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:08:31,470 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:08:31,470 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:08:31,470 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:08:31,470 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:08:31,471 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:08:31,471 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:08:31,471 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:08:31,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 334 states. [2018-11-18 09:08:31,509 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 220 [2018-11-18 09:08:31,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:08:31,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:08:31,515 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:08:31,515 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 09:08:31,515 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:08:31,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 334 states. [2018-11-18 09:08:31,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 220 [2018-11-18 09:08:31,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:08:31,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:08:31,523 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:08:31,523 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 09:08:31,527 INFO L794 eck$LassoCheckResult]: Stem: 124#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(13);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 44];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 77];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 101];#memory_int := #memory_int[#t~string35.base,3 + #t~string35.offset := 116];#memory_int := #memory_int[#t~string35.base,4 + #t~string35.offset := 104];#memory_int := #memory_int[#t~string35.base,5 + #t~string35.offset := 58];#memory_int := #memory_int[#t~string35.base,6 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 67];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 82];#memory_int := #memory_int[#t~string37.base,2 + #t~string37.offset := 73];#memory_int := #memory_int[#t~string37.base,3 + #t~string37.offset := 84];#memory_int := #memory_int[#t~string37.base,4 + #t~string37.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 79];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 75];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 41];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 181#L117true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 126#L110true 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; 31#L125true main_#t~ret8 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret8;havoc main_#t~ret8; 77#L295true assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 159#L271true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 128#L49true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 125#L154-3true [2018-11-18 09:08:31,527 INFO L796 eck$LassoCheckResult]: Loop: 125#L154-3true assume true; 127#L154-1true assume !false; 209#L155true assume test_~splverifierCounter~0 < 4; 326#L156true test_~tmp~1 := test_#t~nondet4;havoc test_#t~nondet4; 24#L164true assume !(0 != test_~tmp~1); 19#L164-2true test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 100#L174true assume !(0 != test_~tmp___0~1); 93#L174-2true test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 318#L184true assume 0 != test_~tmp___2~0; 282#L190-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 214#L480true __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 27#L59true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 196#L326true assume !(0 != ~pumpRunning~0); 160#L326-2true assume !(0 != ~systemActive~0); 303#L333-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __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~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 130#L649true __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 29#L70true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 26#L70-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 142#L343true assume { :end_inline_timeShift } true; 125#L154-3true [2018-11-18 09:08:31,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:31,532 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:08:31,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:31,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:31,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:31,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:08:31,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:31,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:31,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1680524419, now seen corresponding path program 1 times [2018-11-18 09:08:31,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:31,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:31,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:31,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:08:31,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:31,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:31,706 INFO L82 PathProgramCache]: Analyzing trace with hash -250776076, now seen corresponding path program 1 times [2018-11-18 09:08:31,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:31,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:31,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:31,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:08:31,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:31,827 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 09:08:31,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:08:31,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:08:31,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:08:31,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:08:31,916 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 6 states. [2018-11-18 09:08:32,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:08:32,139 INFO L93 Difference]: Finished difference Result 729 states and 960 transitions. [2018-11-18 09:08:32,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:08:32,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 729 states and 960 transitions. [2018-11-18 09:08:32,149 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 479 [2018-11-18 09:08:32,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 729 states to 699 states and 930 transitions. [2018-11-18 09:08:32,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 699 [2018-11-18 09:08:32,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 699 [2018-11-18 09:08:32,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 699 states and 930 transitions. [2018-11-18 09:08:32,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:08:32,163 INFO L705 BuchiCegarLoop]: Abstraction has 699 states and 930 transitions. [2018-11-18 09:08:32,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states and 930 transitions. [2018-11-18 09:08:32,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 384. [2018-11-18 09:08:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-11-18 09:08:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 510 transitions. [2018-11-18 09:08:32,202 INFO L728 BuchiCegarLoop]: Abstraction has 384 states and 510 transitions. [2018-11-18 09:08:32,202 INFO L608 BuchiCegarLoop]: Abstraction has 384 states and 510 transitions. [2018-11-18 09:08:32,202 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:08:32,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 384 states and 510 transitions. [2018-11-18 09:08:32,205 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 264 [2018-11-18 09:08:32,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:08:32,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:08:32,206 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:08:32,206 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:08:32,206 INFO L794 eck$LassoCheckResult]: Stem: 1266#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(13);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 44];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 77];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 101];#memory_int := #memory_int[#t~string35.base,3 + #t~string35.offset := 116];#memory_int := #memory_int[#t~string35.base,4 + #t~string35.offset := 104];#memory_int := #memory_int[#t~string35.base,5 + #t~string35.offset := 58];#memory_int := #memory_int[#t~string35.base,6 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 67];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 82];#memory_int := #memory_int[#t~string37.base,2 + #t~string37.offset := 73];#memory_int := #memory_int[#t~string37.base,3 + #t~string37.offset := 84];#memory_int := #memory_int[#t~string37.base,4 + #t~string37.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 79];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 75];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 41];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1099#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 1100#L117 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1269#L110 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; 1136#L125 main_#t~ret8 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret8;havoc main_#t~ret8; 1137#L295 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 1211#L271 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1271#L49 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1267#L154-3 [2018-11-18 09:08:32,207 INFO L796 eck$LassoCheckResult]: Loop: 1267#L154-3 assume true; 1268#L154-1 assume !false; 1270#L155 assume test_~splverifierCounter~0 < 4; 1358#L156 test_~tmp~1 := test_#t~nondet4;havoc test_#t~nondet4; 1123#L164 assume !(0 != test_~tmp~1); 1116#L164-2 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 1117#L174 assume !(0 != test_~tmp___0~1); 1160#L174-2 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 1233#L184 assume 0 != test_~tmp___2~0; 1391#L190-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 1362#L480 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 1129#L59 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1130#L326 assume !(0 != ~pumpRunning~0); 1320#L326-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1321#L410 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret13, isMethaneAlarm_~retValue_acc~3;havoc isMethaneAlarm_~retValue_acc~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 1377#L617 isMethaneAlarm_#t~ret13 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3 := isMethaneAlarm_#t~ret13;havoc isMethaneAlarm_#t~ret13;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~3; 1378#L471 processEnvironment_#t~ret11 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5 := processEnvironment_#t~ret11;havoc processEnvironment_#t~ret11; 1343#L414 assume 0 != processEnvironment_~tmp~5;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1135#L461-1 assume { :end_inline_deactivatePump } true; 1108#L410-1 assume { :end_inline_processEnvironment } true; 1396#L333-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __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~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 1274#L649 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 1133#L70 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 1127#L70-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1128#L343 assume { :end_inline_timeShift } true; 1267#L154-3 [2018-11-18 09:08:32,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:32,207 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:08:32,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:32,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:32,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:08:32,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:32,251 INFO L82 PathProgramCache]: Analyzing trace with hash -810551418, now seen corresponding path program 1 times [2018-11-18 09:08:32,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:32,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:32,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,252 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:08:32,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:32,277 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 09:08:32,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:08:32,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:08:32,278 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:08:32,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:08:32,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:08:32,278 INFO L87 Difference]: Start difference. First operand 384 states and 510 transitions. cyclomatic complexity: 129 Second operand 3 states. [2018-11-18 09:08:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:08:32,389 INFO L93 Difference]: Finished difference Result 397 states and 500 transitions. [2018-11-18 09:08:32,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:08:32,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 397 states and 500 transitions. [2018-11-18 09:08:32,393 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 279 [2018-11-18 09:08:32,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 397 states to 397 states and 500 transitions. [2018-11-18 09:08:32,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 397 [2018-11-18 09:08:32,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 397 [2018-11-18 09:08:32,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 397 states and 500 transitions. [2018-11-18 09:08:32,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:08:32,396 INFO L705 BuchiCegarLoop]: Abstraction has 397 states and 500 transitions. [2018-11-18 09:08:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states and 500 transitions. [2018-11-18 09:08:32,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-11-18 09:08:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-11-18 09:08:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 500 transitions. [2018-11-18 09:08:32,406 INFO L728 BuchiCegarLoop]: Abstraction has 397 states and 500 transitions. [2018-11-18 09:08:32,406 INFO L608 BuchiCegarLoop]: Abstraction has 397 states and 500 transitions. [2018-11-18 09:08:32,406 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:08:32,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 397 states and 500 transitions. [2018-11-18 09:08:32,408 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 279 [2018-11-18 09:08:32,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:08:32,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:08:32,409 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:08:32,409 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, 1, 1] [2018-11-18 09:08:32,410 INFO L794 eck$LassoCheckResult]: Stem: 2014#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(13);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 44];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 77];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 101];#memory_int := #memory_int[#t~string35.base,3 + #t~string35.offset := 116];#memory_int := #memory_int[#t~string35.base,4 + #t~string35.offset := 104];#memory_int := #memory_int[#t~string35.base,5 + #t~string35.offset := 58];#memory_int := #memory_int[#t~string35.base,6 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 67];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 82];#memory_int := #memory_int[#t~string37.base,2 + #t~string37.offset := 73];#memory_int := #memory_int[#t~string37.base,3 + #t~string37.offset := 84];#memory_int := #memory_int[#t~string37.base,4 + #t~string37.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 79];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 75];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 41];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1881#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 1882#L117 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2017#L110 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; 1915#L125 main_#t~ret8 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret8;havoc main_#t~ret8; 1916#L295 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 1968#L271 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2019#L49 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2015#L154-3 [2018-11-18 09:08:32,410 INFO L796 eck$LassoCheckResult]: Loop: 2015#L154-3 assume true; 2016#L154-1 assume !false; 2018#L155 assume test_~splverifierCounter~0 < 4; 2096#L156 test_~tmp~1 := test_#t~nondet4;havoc test_#t~nondet4; 1902#L164 assume !(0 != test_~tmp~1); 1896#L164-2 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 1897#L174 assume !(0 != test_~tmp___0~1); 1935#L174-2 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 1989#L184 assume 0 != test_~tmp___2~0; 2126#L190-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 2100#L480 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 1908#L59 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1909#L326 assume !(0 != ~pumpRunning~0); 2057#L326-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 2058#L410 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret10, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1884#L384-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 1885#L358-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 1997#L657-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 2049#L662-3 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 2050#L529-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 2104#L529-11 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 2074#L535-3 processEnvironment__wrappee__highWaterSensor_#t~ret9 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret9;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9; 1875#L362-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 1877#L350-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1963#L358-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1888#L384-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1889#L410-1 assume { :end_inline_processEnvironment } true; 2130#L333-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __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~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 2244#L649 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 2240#L70 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 2239#L70-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2238#L343 assume { :end_inline_timeShift } true; 2015#L154-3 [2018-11-18 09:08:32,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:32,410 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:08:32,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:32,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:32,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:08:32,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:32,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1962906821, now seen corresponding path program 1 times [2018-11-18 09:08:32,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:32,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:32,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,448 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:08:32,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:32,497 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 09:08:32,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:08:32,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:08:32,498 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:08:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:08:32,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:08:32,498 INFO L87 Difference]: Start difference. First operand 397 states and 500 transitions. cyclomatic complexity: 106 Second operand 5 states. [2018-11-18 09:08:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:08:32,773 INFO L93 Difference]: Finished difference Result 1859 states and 2327 transitions. [2018-11-18 09:08:32,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:08:32,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1859 states and 2327 transitions. [2018-11-18 09:08:32,786 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1285 [2018-11-18 09:08:32,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1859 states to 1859 states and 2327 transitions. [2018-11-18 09:08:32,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1859 [2018-11-18 09:08:32,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1859 [2018-11-18 09:08:32,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1859 states and 2327 transitions. [2018-11-18 09:08:32,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:08:32,797 INFO L705 BuchiCegarLoop]: Abstraction has 1859 states and 2327 transitions. [2018-11-18 09:08:32,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1859 states and 2327 transitions. [2018-11-18 09:08:32,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1859 to 783. [2018-11-18 09:08:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-11-18 09:08:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 977 transitions. [2018-11-18 09:08:32,815 INFO L728 BuchiCegarLoop]: Abstraction has 783 states and 977 transitions. [2018-11-18 09:08:32,815 INFO L608 BuchiCegarLoop]: Abstraction has 783 states and 977 transitions. [2018-11-18 09:08:32,815 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 09:08:32,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 783 states and 977 transitions. [2018-11-18 09:08:32,818 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 556 [2018-11-18 09:08:32,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:08:32,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:08:32,819 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:08:32,819 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, 1, 1, 1, 1] [2018-11-18 09:08:32,819 INFO L794 eck$LassoCheckResult]: Stem: 4291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(13);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 44];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 77];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 101];#memory_int := #memory_int[#t~string35.base,3 + #t~string35.offset := 116];#memory_int := #memory_int[#t~string35.base,4 + #t~string35.offset := 104];#memory_int := #memory_int[#t~string35.base,5 + #t~string35.offset := 58];#memory_int := #memory_int[#t~string35.base,6 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 67];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 82];#memory_int := #memory_int[#t~string37.base,2 + #t~string37.offset := 73];#memory_int := #memory_int[#t~string37.base,3 + #t~string37.offset := 84];#memory_int := #memory_int[#t~string37.base,4 + #t~string37.offset := 0];call #t~string39.base, #t~string39.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 79];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 75];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 41];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 4156#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 4157#L117 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4294#L110 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; 4191#L125 main_#t~ret8 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret8;havoc main_#t~ret8; 4192#L295 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 4246#L271 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 4297#L49 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4298#L154-3 [2018-11-18 09:08:32,819 INFO L796 eck$LassoCheckResult]: Loop: 4298#L154-3 assume true; 4857#L154-1 assume !false; 4856#L155 assume test_~splverifierCounter~0 < 4; 4855#L156 test_~tmp~1 := test_#t~nondet4;havoc test_#t~nondet4; 4853#L164 assume !(0 != test_~tmp~1); 4851#L164-2 test_~tmp___0~1 := test_#t~nondet5;havoc test_#t~nondet5; 4849#L174 assume !(0 != test_~tmp___0~1); 4847#L174-2 test_~tmp___2~0 := test_#t~nondet6;havoc test_#t~nondet6; 4846#L184 assume 0 != test_~tmp___2~0; 4845#L190-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 4869#L480 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 4843#L59 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 4825#L326 assume !(0 != ~pumpRunning~0); 4768#L326-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 4435#L410 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret10, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 4159#L384-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 4160#L358-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 4273#L657-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 4332#L662-3 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 4333#L529-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 4395#L529-11 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 4360#L535-3 processEnvironment__wrappee__highWaterSensor_#t~ret9 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret9;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9; 4150#L362-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 4152#L350-6 assume { :end_inline_processEnvironment__wrappee__base } true; 4873#L358-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 4871#L384-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 4870#L410-1 assume { :end_inline_processEnvironment } true; 4865#L333-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __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~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 4864#L649 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 4863#L70 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 4862#L480-1 __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 4861#L74 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 4859#L70-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 4858#L343 assume { :end_inline_timeShift } true; 4298#L154-3 [2018-11-18 09:08:32,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:32,820 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 09:08:32,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:32,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:32,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:08:32,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:32,852 INFO L82 PathProgramCache]: Analyzing trace with hash -881902794, now seen corresponding path program 1 times [2018-11-18 09:08:32,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:32,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:32,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,853 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:08:32,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:32,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1179247583, now seen corresponding path program 1 times [2018-11-18 09:08:32,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:08:32,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:08:32,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:08:32,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:08:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:08:33,008 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2018-11-18 09:09:14,287 WARN L180 SmtUtils]: Spent 41.23 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:09:27,020 WARN L180 SmtUtils]: Spent 12.73 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:09:27,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:09:27 BoogieIcfgContainer [2018-11-18 09:09:27,095 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:09:27,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:09:27,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:09:27,095 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:09:27,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:31" (3/4) ... [2018-11-18 09:09:27,098 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:09:27,148 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4e50f7d-3de2-40a4-ac7f-55e2cec2f941/bin-2019/uautomizer/witness.graphml [2018-11-18 09:09:27,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:09:27,149 INFO L168 Benchmark]: Toolchain (without parser) took 57065.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:09:27,150 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:09:27,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:09:27,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.92 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 09:09:27,151 INFO L168 Benchmark]: Boogie Preprocessor took 47.17 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:09:27,151 INFO L168 Benchmark]: RCFGBuilder took 845.30 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: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:09:27,151 INFO L168 Benchmark]: BuchiAutomizer took 55666.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 199.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:09:27,151 INFO L168 Benchmark]: Witness Printer took 53.46 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:09:27,156 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.92 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 47.17 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 845.30 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: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 55666.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 199.5 MB. Max. memory is 11.5 GB. * Witness Printer took 53.46 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: 5.2 MB). Peak memory consumption was 5.2 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 783 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 55.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 54.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1391 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 783 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1383 SDtfs, 3650 SDslu, 3511 SDs, 0 SdLazy, 279 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 154]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bd6c3d8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53fc252e=154, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48bcc546=0, "__utac__get_this_argtype"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18dd2f49=0, ")"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=31, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10196cdb=0, retValue_acc=0, "Env(Water:%i"=19, tmp___1=0, "\n"=18, "On"=15, "OK"=23, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@589ec47b=0, "On"=8, "On"=0, ") "=0, waterLevel=1, "i > 0 && i <= this->argsCount"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@704fee26=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, "__utac__get_this_argtype"=39, tmp=1, "libacc.c"=0, ",Meth:"=0, "Env(Water:%i"=0, \result=1, "libacc.c"=27, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, retValue_acc=1, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7768fe8e=0, tmp___0=0, "libacc.c"=38, head=0, tmp=0, ") "=17, "CRIT"=0, "OK"=0, "__utac__get_this_arg"=28, tmp=0, "Pump(System:"=12, "__utac__get_this_arg"=0, retValue_acc=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=29, "i > 0 && i <= this->argsCount"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b263d21=0, "CRIT"=22, tmp___0=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, ")"=24, tmp=1, tmp=0, switchedOnBeforeTS=0, "Off"=16, \result=0, "Off"=0, ",Pump:"=0, "\n"=0, NULL=0, systemActive=1, "i > 0 && i <= this->argsCount"=34, \result=1, \result=0, tmp___0=0, \result=0, ",Pump:"=14, "Off"=0, "Pump(System:"=0, ",Meth:"=20, "On"=0, retValue_acc=1, tmp___2=154, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@135318b5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e91061=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e93d462=0, "libacc.c"=35, "Off"=11, "__utac__get_this_arg"=33, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 154]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L489] FCALL "Pump(System:" [L493] FCALL "On" [L497] FCALL "Off" [L501] FCALL ",Pump:" [L505] FCALL "On" [L509] FCALL "Off" [L513] FCALL ") " [L515] FCALL "\n" [L626] FCALL "Env(Water:%i" [L627] FCALL ",Meth:" [L631] FCALL "CRIT" [L635] FCALL "OK" [L639] FCALL ")" [L974] FCALL "i > 0 && i <= this->argsCount" [L974] FCALL "libacc.c" [L975] FCALL "__utac__get_this_arg" [L981] FCALL "i > 0 && i <= this->argsCount" [L981] FCALL "libacc.c" [L982] FCALL "__utac__get_this_arg" [L1020] FCALL "i > 0 && i <= this->argsCount" [L1020] FCALL "libacc.c" [L1021] FCALL "__utac__get_this_argtype" [L1027] FCALL "i > 0 && i <= this->argsCount" [L1027] FCALL "libacc.c" [L1028] FCALL "__utac__get_this_argtype" [L43] int switchedOnBeforeTS ; [L211] int cleanupTimeShifts = 4; [L316] int pumpRunning = 0; [L317] int systemActive = 1; [L574] int waterLevel = 1; [L575] int methaneLevelCritical = 0; [L846] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L286] int retValue_acc ; [L287] int tmp ; [L291] FCALL select_helpers() [L292] FCALL select_features() [L293] CALL, EXPR valid_product() [L121] int retValue_acc ; [L124] retValue_acc = 1 [L125] RET return (retValue_acc); [L293] EXPR valid_product() [L293] tmp = valid_product() [L295] COND TRUE \read(tmp) [L297] FCALL setup() [L298] CALL runTest() [L279] CALL __utac_acc__Specification5_spec__1() [L48] RET switchedOnBeforeTS = 0 [L279] __utac_acc__Specification5_spec__1() [L280] CALL test() [L145] int splverifierCounter ; [L146] int tmp ; [L147] int tmp___0 ; [L148] int tmp___1 ; [L149] int tmp___2 ; [L152] splverifierCounter = 0 Loop: [L154] COND TRUE 1 [L156] COND TRUE splverifierCounter < 4 [L162] tmp = __VERIFIER_nondet_int() [L164] COND FALSE !(\read(tmp)) [L172] tmp___0 = __VERIFIER_nondet_int() [L174] COND FALSE !(\read(tmp___0)) [L182] tmp___2 = __VERIFIER_nondet_int() [L184] COND TRUE \read(tmp___2) [L199] CALL timeShift() [L324] CALL __utac_acc__Specification5_spec__2() [L57] CALL, EXPR isPumpRunning() [L476] int retValue_acc ; [L479] retValue_acc = pumpRunning [L480] RET return (retValue_acc); [L57] EXPR isPumpRunning() [L57] RET switchedOnBeforeTS = isPumpRunning() [L324] __utac_acc__Specification5_spec__2() [L326] COND FALSE !(\read(pumpRunning)) [L333] COND TRUE \read(systemActive) [L335] CALL processEnvironment() [L407] int tmp ; [L410] COND FALSE !(\read(pumpRunning)) [L425] CALL processEnvironment__wrappee__methaneQuery() [L381] int tmp ; [L384] COND FALSE !(\read(pumpRunning)) [L399] CALL processEnvironment__wrappee__highWaterSensor() [L355] int tmp ; [L358] COND TRUE ! pumpRunning [L360] CALL, EXPR isHighWaterLevel() [L521] int retValue_acc ; [L522] int tmp ; [L523] int tmp___0 ; [L527] CALL, EXPR isHighWaterSensorDry() [L654] int retValue_acc ; [L657] COND TRUE waterLevel < 2 [L658] retValue_acc = 1 [L659] RET return (retValue_acc); [L527] EXPR isHighWaterSensorDry() [L527] tmp = isHighWaterSensorDry() [L529] COND TRUE \read(tmp) [L530] tmp___0 = 0 [L534] retValue_acc = tmp___0 [L535] RET return (retValue_acc); [L360] EXPR isHighWaterLevel() [L360] tmp = isHighWaterLevel() [L362] COND FALSE !(\read(tmp)) [L368] RET, FCALL processEnvironment__wrappee__base() [L399] RET processEnvironment__wrappee__highWaterSensor() [L425] RET processEnvironment__wrappee__methaneQuery() [L335] processEnvironment() [L341] CALL __utac_acc__Specification5_spec__3() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR getWaterLevel() [L645] int retValue_acc ; [L648] retValue_acc = waterLevel [L649] RET return (retValue_acc); [L68] EXPR getWaterLevel() [L68] tmp = getWaterLevel() [L70] COND TRUE tmp != 2 [L72] CALL, EXPR isPumpRunning() [L476] int retValue_acc ; [L479] retValue_acc = pumpRunning [L480] RET return (retValue_acc); [L72] EXPR isPumpRunning() [L72] tmp___0 = isPumpRunning() [L74] COND FALSE, RET !(\read(tmp___0)) [L341] RET __utac_acc__Specification5_spec__3() [L199] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...