./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:34:01,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:34:01,508 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:34:01,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:34:01,514 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:34:01,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:34:01,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:34:01,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:34:01,517 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:34:01,517 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:34:01,518 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:34:01,518 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:34:01,518 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:34:01,519 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:34:01,519 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:34:01,520 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:34:01,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:34:01,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:34:01,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:34:01,522 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:34:01,523 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:34:01,524 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:34:01,525 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:34:01,525 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:34:01,525 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:34:01,525 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:34:01,526 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:34:01,526 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:34:01,527 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:34:01,527 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:34:01,527 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:34:01,528 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:34:01,528 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:34:01,528 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:34:01,528 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:34:01,529 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:34:01,529 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:34:01,536 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:34:01,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:34:01,536 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:34:01,536 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:34:01,536 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:34:01,537 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:34:01,537 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:34:01,537 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:34:01,537 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:34:01,537 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:34:01,537 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:34:01,537 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:34:01,537 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:34:01,538 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:34:01,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:34:01,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:34:01,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:34:01,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:34:01,540 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:34:01,540 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan 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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 [2018-12-09 00:34:01,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:34:01,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:34:01,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:34:01,571 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:34:01,571 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:34:01,572 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-12-09 00:34:01,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/data/0015bb181/3d411920a24544fc80ed7b0be17cafb1/FLAG933cd8423 [2018-12-09 00:34:02,047 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:34:02,047 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-12-09 00:34:02,054 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/data/0015bb181/3d411920a24544fc80ed7b0be17cafb1/FLAG933cd8423 [2018-12-09 00:34:02,062 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/data/0015bb181/3d411920a24544fc80ed7b0be17cafb1 [2018-12-09 00:34:02,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:34:02,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:34:02,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:34:02,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:34:02,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:34:02,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02, skipping insertion in model container [2018-12-09 00:34:02,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:34:02,093 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:34:02,231 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:34:02,239 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:34:02,318 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:34:02,332 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:34:02,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02 WrapperNode [2018-12-09 00:34:02,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:34:02,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:34:02,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:34:02,333 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:34:02,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:34:02,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:34:02,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:34:02,353 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:34:02,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... [2018-12-09 00:34:02,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:34:02,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:34:02,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:34:02,373 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:34:02,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:34:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:34:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:34:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:34:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:34:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:34:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:34:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:34:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:34:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:34:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:34:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:34:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:34:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:34:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:34:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:34:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:34:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:34:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:34:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:34:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:34:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:34:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:34:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 00:34:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 00:34:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:34:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:34:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:34:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:34:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:34:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:34:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:34:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:34:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:34:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:34:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:34:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:34:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:34:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:34:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 00:34:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 00:34:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:34:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:34:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:34:02,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:34:02,659 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:34:02,659 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:34:02,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:02 BoogieIcfgContainer [2018-12-09 00:34:02,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:34:02,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:34:02,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:34:02,662 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:34:02,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:34:02" (1/3) ... [2018-12-09 00:34:02,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f149e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:02, skipping insertion in model container [2018-12-09 00:34:02,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:02" (2/3) ... [2018-12-09 00:34:02,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f149e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:02, skipping insertion in model container [2018-12-09 00:34:02,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:02" (3/3) ... [2018-12-09 00:34:02,664 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-12-09 00:34:02,670 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:34:02,675 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:34:02,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:34:02,702 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:34:02,702 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:34:02,702 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:34:02,702 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:34:02,702 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:34:02,702 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:34:02,702 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:34:02,703 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:34:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-12-09 00:34:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:34:02,718 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:34:02,719 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:34:02,720 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:34:02,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:34:02,724 INFO L82 PathProgramCache]: Analyzing trace with hash -315542834, now seen corresponding path program 1 times [2018-12-09 00:34:02,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:34:02,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:02,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:34:02,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:02,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:34:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:34:02,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:34:02,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:34:02,863 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:34:02,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:34:02,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:34:02,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:34:02,875 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2018-12-09 00:34:02,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:34:02,893 INFO L93 Difference]: Finished difference Result 182 states and 227 transitions. [2018-12-09 00:34:02,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:34:02,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 00:34:02,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:34:02,900 INFO L225 Difference]: With dead ends: 182 [2018-12-09 00:34:02,900 INFO L226 Difference]: Without dead ends: 91 [2018-12-09 00:34:02,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:34:02,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-12-09 00:34:02,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-12-09 00:34:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-12-09 00:34:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2018-12-09 00:34:02,929 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 52 [2018-12-09 00:34:02,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:34:02,930 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2018-12-09 00:34:02,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:34:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2018-12-09 00:34:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 00:34:02,932 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:34:02,932 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:34:02,932 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:34:02,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:34:02,932 INFO L82 PathProgramCache]: Analyzing trace with hash -93021398, now seen corresponding path program 1 times [2018-12-09 00:34:02,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:34:02,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:02,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:34:02,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:02,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:34:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:34:02,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:34:02,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:34:02,984 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:34:02,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:34:02,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:34:02,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:34:02,985 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 3 states. [2018-12-09 00:34:02,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:34:02,995 INFO L93 Difference]: Finished difference Result 127 states and 145 transitions. [2018-12-09 00:34:02,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:34:02,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 00:34:02,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:34:02,996 INFO L225 Difference]: With dead ends: 127 [2018-12-09 00:34:02,996 INFO L226 Difference]: Without dead ends: 82 [2018-12-09 00:34:02,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:34:02,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-12-09 00:34:03,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-12-09 00:34:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-12-09 00:34:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-12-09 00:34:03,002 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2018-12-09 00:34:03,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:34:03,003 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-12-09 00:34:03,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:34:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-12-09 00:34:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 00:34:03,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:34:03,004 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:34:03,004 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:34:03,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:34:03,004 INFO L82 PathProgramCache]: Analyzing trace with hash -178130382, now seen corresponding path program 1 times [2018-12-09 00:34:03,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:34:03,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:03,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:34:03,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:03,005 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:34:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:34:03,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:34:03,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:34:03,064 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:34:03,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:34:03,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:34:03,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:34:03,065 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 7 states. [2018-12-09 00:34:03,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:34:03,196 INFO L93 Difference]: Finished difference Result 140 states and 163 transitions. [2018-12-09 00:34:03,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:34:03,196 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 00:34:03,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:34:03,197 INFO L225 Difference]: With dead ends: 140 [2018-12-09 00:34:03,197 INFO L226 Difference]: Without dead ends: 82 [2018-12-09 00:34:03,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:34:03,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-12-09 00:34:03,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-12-09 00:34:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-12-09 00:34:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2018-12-09 00:34:03,203 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2018-12-09 00:34:03,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:34:03,203 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2018-12-09 00:34:03,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:34:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2018-12-09 00:34:03,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 00:34:03,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:34:03,204 INFO L402 BasicCegarLoop]: trace 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, 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] [2018-12-09 00:34:03,205 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:34:03,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:34:03,205 INFO L82 PathProgramCache]: Analyzing trace with hash -166516958, now seen corresponding path program 1 times [2018-12-09 00:34:03,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:34:03,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:03,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:34:03,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:03,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:34:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:34:03,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:34:03,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:34:03,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:34:03,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:34:03,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:34:03,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:34:03,259 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 6 states. [2018-12-09 00:34:03,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:34:03,357 INFO L93 Difference]: Finished difference Result 187 states and 224 transitions. [2018-12-09 00:34:03,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:34:03,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-12-09 00:34:03,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:34:03,361 INFO L225 Difference]: With dead ends: 187 [2018-12-09 00:34:03,361 INFO L226 Difference]: Without dead ends: 129 [2018-12-09 00:34:03,362 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:34:03,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-09 00:34:03,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2018-12-09 00:34:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-09 00:34:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2018-12-09 00:34:03,376 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 61 [2018-12-09 00:34:03,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:34:03,376 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2018-12-09 00:34:03,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:34:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2018-12-09 00:34:03,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 00:34:03,378 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:34:03,378 INFO L402 BasicCegarLoop]: trace 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, 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] [2018-12-09 00:34:03,378 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:34:03,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:34:03,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1787385944, now seen corresponding path program 1 times [2018-12-09 00:34:03,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:34:03,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:03,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:34:03,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:34:03,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:34:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:34:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:34:03,476 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:34:03,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:34:03 BoogieIcfgContainer [2018-12-09 00:34:03,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:34:03,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:34:03,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:34:03,559 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:34:03,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:02" (3/4) ... [2018-12-09 00:34:03,562 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 00:34:03,647 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0a9dbba6-37bf-45c1-bac2-744d8b9d976f/bin-2019/utaipan/witness.graphml [2018-12-09 00:34:03,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:34:03,647 INFO L168 Benchmark]: Toolchain (without parser) took 1582.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 957.1 MB in the beginning and 863.9 MB in the end (delta: 93.1 MB). Peak memory consumption was 212.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:03,648 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:03,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:03,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:03,649 INFO L168 Benchmark]: Boogie Preprocessor took 19.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:34:03,649 INFO L168 Benchmark]: RCFGBuilder took 286.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:03,650 INFO L168 Benchmark]: TraceAbstraction took 898.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 884.8 MB in the end (delta: 177.6 MB). Peak memory consumption was 177.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:03,650 INFO L168 Benchmark]: Witness Printer took 88.02 ms. Allocated memory is still 1.1 GB. Free memory was 884.8 MB in the beginning and 863.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:34:03,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 286.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 898.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 884.8 MB in the end (delta: 177.6 MB). Peak memory consumption was 177.6 MB. Max. memory is 11.5 GB. * Witness Printer took 88.02 ms. Allocated memory is still 1.1 GB. Free memory was 884.8 MB in the beginning and 863.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int pumpRunning = 0; [L463] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L779] int waterLevel = 1; [L780] int methaneLevelCritical = 0; [L756] int retValue_acc ; [L757] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L761] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L762] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L763] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L767] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L768] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L750] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L626] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L628] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L634] tmp = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L638] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L797] COND TRUE waterLevel < 2 [L798] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND FALSE !(\read(tmp___2)) [L662] tmp___1 = __VERIFIER_nondet_int() [L664] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L671] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L470] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L485] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] int tmp ; [L581] int tmp___0 ; [L582] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L818] int retValue_acc ; [L821] retValue_acc = methaneLevelCritical [L822] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L586] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] tmp = isMethaneLevelCritical() [L588] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L592] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L850] int retValue_acc ; [L853] retValue_acc = waterLevel [L854] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L592] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L592] tmp___0 = getWaterLevel() [L594] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L596] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] int retValue_acc ; [L528] retValue_acc = pumpRunning [L529] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L596] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L596] tmp___1 = isPumpRunning() [L598] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L602] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 104 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 395 SDtfs, 135 SDslu, 591 SDs, 0 SdLazy, 143 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 20672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...