./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product11_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_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/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 024cd1c3d04a85b1ea51a85b80d9a485019f42aa .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:26:42,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:26:42,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:26:42,422 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:26:42,423 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:26:42,423 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:26:42,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:26:42,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:26:42,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:26:42,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:26:42,427 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:26:42,427 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:26:42,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:26:42,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:26:42,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:26:42,429 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:26:42,430 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:26:42,431 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:26:42,432 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:26:42,433 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:26:42,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:26:42,434 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:26:42,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:26:42,435 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:26:42,436 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:26:42,436 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:26:42,437 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:26:42,437 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:26:42,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:26:42,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:26:42,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:26:42,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:26:42,439 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:26:42,439 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:26:42,439 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:26:42,440 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:26:42,440 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:26:42,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:26:42,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:26:42,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:26:42,448 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:26:42,448 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:26:42,448 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:26:42,448 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:26:42,448 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:26:42,449 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:26:42,449 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:26:42,449 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:26:42,449 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:26:42,449 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:26:42,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:26:42,450 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:26:42,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:26:42,450 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:26:42,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:26:42,450 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:26:42,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:26:42,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:26:42,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:26:42,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:26:42,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:26:42,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:26:42,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:26:42,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:26:42,451 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:26:42,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:26:42,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:26:42,451 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:26:42,451 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:26:42,452 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:26:42,452 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:26:42,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:26:42,452 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:26:42,452 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_1ff627c1-6139-4087-b02e-0be3d4cd5535/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 -> 024cd1c3d04a85b1ea51a85b80d9a485019f42aa [2018-12-09 10:26:42,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:26:42,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:26:42,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:26:42,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:26:42,480 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:26:42,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-12-09 10:26:42,522 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/data/a67506176/286814e9fdb2480ea434a9a0f0c44d11/FLAG5a628ad99 [2018-12-09 10:26:42,928 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:26:42,928 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-12-09 10:26:42,934 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/data/a67506176/286814e9fdb2480ea434a9a0f0c44d11/FLAG5a628ad99 [2018-12-09 10:26:42,942 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/data/a67506176/286814e9fdb2480ea434a9a0f0c44d11 [2018-12-09 10:26:42,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:26:42,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:26:42,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:26:42,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:26:42,947 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:26:42,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:26:42" (1/1) ... [2018-12-09 10:26:42,949 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 10:26:42, skipping insertion in model container [2018-12-09 10:26:42,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:26:42" (1/1) ... [2018-12-09 10:26:42,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:26:42,975 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:26:43,140 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:26:43,150 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:26:43,231 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:26:43,249 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:26:43,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43 WrapperNode [2018-12-09 10:26:43,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:26:43,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:26:43,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:26:43,251 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:26:43,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:26:43,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:26:43,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:26:43,272 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:26:43,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... [2018-12-09 10:26:43,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:26:43,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:26:43,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:26:43,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:26:43,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/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 10:26:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:26:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:26:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:26:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:26:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 10:26:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 10:26:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:26:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:26:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:26:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:26:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:26:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:26:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:26:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 10:26:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 10:26:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:26:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:26:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:26:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:26:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:26:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:26:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:26:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:26:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:26:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:26:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:26:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:26:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:26:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:26:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:26:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:26:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:26:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:26:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 10:26:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 10:26:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:26:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:26:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:26:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:26:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:26:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 10:26:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 10:26:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:26:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:26:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:26:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:26:43,641 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:26:43,641 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:26:43,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:26:43 BoogieIcfgContainer [2018-12-09 10:26:43,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:26:43,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:26:43,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:26:43,644 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:26:43,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:26:42" (1/3) ... [2018-12-09 10:26:43,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a45166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:26:43, skipping insertion in model container [2018-12-09 10:26:43,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:26:43" (2/3) ... [2018-12-09 10:26:43,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a45166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:26:43, skipping insertion in model container [2018-12-09 10:26:43,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:26:43" (3/3) ... [2018-12-09 10:26:43,646 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-12-09 10:26:43,652 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:26:43,657 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:26:43,667 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:26:43,685 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:26:43,685 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:26:43,685 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:26:43,685 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:26:43,685 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:26:43,686 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:26:43,686 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:26:43,686 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:26:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-12-09 10:26:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:26:43,702 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:26:43,702 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 10:26:43,704 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:26:43,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:26:43,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1666565830, now seen corresponding path program 1 times [2018-12-09 10:26:43,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:26:43,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:43,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:26:43,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:43,737 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:26:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:26:43,846 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 10:26:43,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:26:43,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:26:43,848 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:26:43,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:26:43,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:26:43,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:26:43,860 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-12-09 10:26:43,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:26:43,879 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2018-12-09 10:26:43,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:26:43,880 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 10:26:43,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:26:43,885 INFO L225 Difference]: With dead ends: 192 [2018-12-09 10:26:43,885 INFO L226 Difference]: Without dead ends: 96 [2018-12-09 10:26:43,887 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 10:26:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-09 10:26:43,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-12-09 10:26:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-09 10:26:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-12-09 10:26:43,915 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 52 [2018-12-09 10:26:43,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:26:43,915 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-12-09 10:26:43,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:26:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-12-09 10:26:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 10:26:43,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:26:43,918 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 10:26:43,918 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:26:43,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:26:43,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1002057674, now seen corresponding path program 1 times [2018-12-09 10:26:43,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:26:43,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:43,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:26:43,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:43,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:26:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:26:43,974 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 10:26:43,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:26:43,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:26:43,975 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:26:43,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:26:43,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:26:43,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:26:43,976 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 3 states. [2018-12-09 10:26:43,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:26:43,986 INFO L93 Difference]: Finished difference Result 132 states and 151 transitions. [2018-12-09 10:26:43,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:26:43,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 10:26:43,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:26:43,987 INFO L225 Difference]: With dead ends: 132 [2018-12-09 10:26:43,988 INFO L226 Difference]: Without dead ends: 87 [2018-12-09 10:26:43,988 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 10:26:43,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-12-09 10:26:43,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-12-09 10:26:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-09 10:26:43,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-12-09 10:26:43,994 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 53 [2018-12-09 10:26:43,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:26:43,994 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-12-09 10:26:43,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:26:43,994 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-12-09 10:26:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 10:26:43,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:26:43,995 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] [2018-12-09 10:26:43,995 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:26:43,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:26:43,996 INFO L82 PathProgramCache]: Analyzing trace with hash -213902819, now seen corresponding path program 1 times [2018-12-09 10:26:43,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:26:43,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:43,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:26:43,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:43,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:26:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:26:44,041 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 10:26:44,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:26:44,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:26:44,041 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:26:44,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:26:44,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:26:44,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:26:44,042 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 3 states. [2018-12-09 10:26:44,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:26:44,057 INFO L93 Difference]: Finished difference Result 208 states and 247 transitions. [2018-12-09 10:26:44,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:26:44,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-09 10:26:44,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:26:44,060 INFO L225 Difference]: With dead ends: 208 [2018-12-09 10:26:44,060 INFO L226 Difference]: Without dead ends: 145 [2018-12-09 10:26:44,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 10:26:44,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-09 10:26:44,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 135. [2018-12-09 10:26:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-09 10:26:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 159 transitions. [2018-12-09 10:26:44,071 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 159 transitions. Word has length 57 [2018-12-09 10:26:44,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:26:44,072 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 159 transitions. [2018-12-09 10:26:44,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:26:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-12-09 10:26:44,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 10:26:44,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:26:44,073 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] [2018-12-09 10:26:44,073 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:26:44,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:26:44,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1566461061, now seen corresponding path program 1 times [2018-12-09 10:26:44,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:26:44,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:44,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:26:44,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:44,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:26:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:26:44,145 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 10:26:44,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:26:44,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:26:44,145 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:26:44,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:26:44,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:26:44,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:26:44,146 INFO L87 Difference]: Start difference. First operand 135 states and 159 transitions. Second operand 6 states. [2018-12-09 10:26:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:26:44,269 INFO L93 Difference]: Finished difference Result 338 states and 425 transitions. [2018-12-09 10:26:44,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:26:44,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-09 10:26:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:26:44,271 INFO L225 Difference]: With dead ends: 338 [2018-12-09 10:26:44,271 INFO L226 Difference]: Without dead ends: 227 [2018-12-09 10:26:44,272 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 10:26:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-09 10:26:44,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 223. [2018-12-09 10:26:44,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-12-09 10:26:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 271 transitions. [2018-12-09 10:26:44,286 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 271 transitions. Word has length 60 [2018-12-09 10:26:44,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:26:44,286 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 271 transitions. [2018-12-09 10:26:44,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:26:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 271 transitions. [2018-12-09 10:26:44,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 10:26:44,288 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:26:44,288 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] [2018-12-09 10:26:44,288 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:26:44,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:26:44,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2016806667, now seen corresponding path program 1 times [2018-12-09 10:26:44,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:26:44,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:44,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:26:44,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:26:44,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:26:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:26:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:26:44,363 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 10:26:44,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:26:44 BoogieIcfgContainer [2018-12-09 10:26:44,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:26:44,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:26:44,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:26:44,428 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:26:44,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:26:43" (3/4) ... [2018-12-09 10:26:44,430 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 10:26:44,493 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1ff627c1-6139-4087-b02e-0be3d4cd5535/bin-2019/utaipan/witness.graphml [2018-12-09 10:26:44,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:26:44,493 INFO L168 Benchmark]: Toolchain (without parser) took 1549.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 953.5 MB in the beginning and 848.6 MB in the end (delta: 104.9 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:26:44,494 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:26:44,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:26:44,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.75 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:26:44,495 INFO L168 Benchmark]: Boogie Preprocessor took 20.10 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 10:26:44,495 INFO L168 Benchmark]: RCFGBuilder took 349.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:26:44,495 INFO L168 Benchmark]: TraceAbstraction took 785.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 876.8 MB in the end (delta: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:26:44,495 INFO L168 Benchmark]: Witness Printer took 64.72 ms. Allocated memory is still 1.1 GB. Free memory was 876.8 MB in the beginning and 848.6 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:26:44,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.75 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.10 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 349.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 785.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 876.8 MB in the end (delta: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. * Witness Printer took 64.72 ms. Allocated memory is still 1.1 GB. Free memory was 876.8 MB in the beginning and 848.6 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 799]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L78] int cleanupTimeShifts = 4; [L386] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L804] int waterLevel = 1; [L805] int methaneLevelCritical = 0; [L159] int retValue_acc ; [L160] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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] [L166] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L166] tmp = valid_product() [L168] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L170] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L171] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L150] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L729] int splverifierCounter ; [L730] int tmp ; [L731] int tmp___0 ; [L732] int tmp___1 ; [L733] int tmp___2 ; [L736] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L738] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L740] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L746] tmp = __VERIFIER_nondet_int() [L748] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L750] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L822] COND TRUE waterLevel < 2 [L823] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L756] tmp___0 = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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] [L766] tmp___2 = __VERIFIER_nondet_int() [L768] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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___2=1, waterLevel=2] [L783] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L602] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L604] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L610] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] int retValue_acc ; [L846] retValue_acc = methaneLevelCritical [L847] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] int retValue_acc ; [L878] retValue_acc = waterLevel [L879] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L668] int retValue_acc ; [L671] retValue_acc = pumpRunning [L672] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=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 22 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 132 SDslu, 502 SDs, 0 SdLazy, 67 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20292 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...