./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product64_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_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product64_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/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 351e1061dd8393b15ba9fc7223df15ae9d3170ab .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-02 06:34:23,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:34:23,196 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:34:23,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:34:23,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:34:23,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:34:23,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:34:23,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:34:23,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:34:23,205 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:34:23,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:34:23,206 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:34:23,207 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:34:23,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:34:23,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:34:23,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:34:23,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:34:23,209 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:34:23,210 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:34:23,211 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:34:23,212 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:34:23,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:34:23,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:34:23,214 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:34:23,214 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:34:23,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:34:23,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:34:23,215 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:34:23,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:34:23,216 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:34:23,216 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:34:23,217 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:34:23,217 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:34:23,217 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:34:23,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:34:23,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:34:23,218 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:34:23,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:34:23,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:34:23,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:34:23,226 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:34:23,226 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:34:23,227 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:34:23,227 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:34:23,227 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:34:23,227 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:34:23,227 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:34:23,227 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:34:23,227 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:34:23,227 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:34:23,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:34:23,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:34:23,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:34:23,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:34:23,228 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:34:23,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:34:23,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:34:23,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:34:23,229 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:34:23,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:34:23,229 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:34:23,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:34:23,229 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:34:23,230 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:34:23,230 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:34:23,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:34:23,230 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:34:23,230 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:34:23,230 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:34:23,230 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:34:23,231 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:34:23,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:34:23,231 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:34:23,231 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_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/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 -> 351e1061dd8393b15ba9fc7223df15ae9d3170ab [2018-12-02 06:34:23,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:34:23,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:34:23,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:34:23,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:34:23,258 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:34:23,259 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product64_false-unreach-call_false-termination.cil.c [2018-12-02 06:34:23,294 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/data/f730387fc/108a8b7d3996437881a6d222f2eaf187/FLAG1904586d8 [2018-12-02 06:34:23,648 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:34:23,648 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/sv-benchmarks/c/product-lines/minepump_spec3_product64_false-unreach-call_false-termination.cil.c [2018-12-02 06:34:23,655 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/data/f730387fc/108a8b7d3996437881a6d222f2eaf187/FLAG1904586d8 [2018-12-02 06:34:24,026 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/data/f730387fc/108a8b7d3996437881a6d222f2eaf187 [2018-12-02 06:34:24,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:34:24,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:34:24,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:34:24,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:34:24,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:34:24,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24, skipping insertion in model container [2018-12-02 06:34:24,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:34:24,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:34:24,214 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:34:24,221 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:34:24,302 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:34:24,319 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:34:24,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24 WrapperNode [2018-12-02 06:34:24,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:34:24,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:34:24,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:34:24,320 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:34:24,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:34:24,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:34:24,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:34:24,340 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:34:24,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... [2018-12-02 06:34:24,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:34:24,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:34:24,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:34:24,362 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:34:24,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/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 [2018-12-02 06:34:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 06:34:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 06:34:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:34:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:34:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 06:34:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 06:34:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 06:34:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 06:34:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:34:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 06:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 06:34:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 06:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 06:34:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 06:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 06:34:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 06:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 06:34:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 06:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 06:34:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 06:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 06:34:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 06:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 06:34:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 06:34:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 06:34:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 06:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 06:34:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 06:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 06:34:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 06:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 06:34:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 06:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 06:34:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 06:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 06:34:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 06:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 06:34:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 06:34:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 06:34:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 06:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 06:34:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 06:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 06:34:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 06:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 06:34:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 06:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 06:34:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 06:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 06:34:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 06:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 06:34:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 06:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 06:34:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 06:34:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 06:34:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 06:34:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 06:34:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:34:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:34:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:34:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 06:34:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 06:34:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 06:34:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 06:34:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 06:34:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 06:34:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:34:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:34:24,680 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:34:24,681 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 06:34:24,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:24 BoogieIcfgContainer [2018-12-02 06:34:24,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:34:24,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:34:24,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:34:24,683 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:34:24,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:34:24" (1/3) ... [2018-12-02 06:34:24,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b15a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:34:24, skipping insertion in model container [2018-12-02 06:34:24,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:24" (2/3) ... [2018-12-02 06:34:24,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b15a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:34:24, skipping insertion in model container [2018-12-02 06:34:24,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:24" (3/3) ... [2018-12-02 06:34:24,685 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64_false-unreach-call_false-termination.cil.c [2018-12-02 06:34:24,691 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:34:24,696 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:34:24,704 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:34:24,723 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:34:24,723 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:34:24,723 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:34:24,723 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:34:24,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:34:24,723 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:34:24,723 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:34:24,723 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:34:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2018-12-02 06:34:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 06:34:24,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:34:24,742 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] [2018-12-02 06:34:24,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:34:24,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:34:24,747 INFO L82 PathProgramCache]: Analyzing trace with hash 789920952, now seen corresponding path program 1 times [2018-12-02 06:34:24,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:34:24,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:24,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:34:24,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:24,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:34:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:34:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:34:24,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:34:24,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:34:24,883 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:34:24,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 06:34:24,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 06:34:24,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:34:24,895 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2018-12-02 06:34:24,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:34:24,922 INFO L93 Difference]: Finished difference Result 332 states and 413 transitions. [2018-12-02 06:34:24,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 06:34:24,923 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 06:34:24,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:34:24,931 INFO L225 Difference]: With dead ends: 332 [2018-12-02 06:34:24,931 INFO L226 Difference]: Without dead ends: 166 [2018-12-02 06:34:24,933 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 [2018-12-02 06:34:24,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-12-02 06:34:24,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-12-02 06:34:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-12-02 06:34:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 198 transitions. [2018-12-02 06:34:24,966 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 198 transitions. Word has length 52 [2018-12-02 06:34:24,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:34:24,966 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 198 transitions. [2018-12-02 06:34:24,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 06:34:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2018-12-02 06:34:24,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 06:34:24,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:34:24,968 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] [2018-12-02 06:34:24,968 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:34:24,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:34:24,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1313082727, now seen corresponding path program 1 times [2018-12-02 06:34:24,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:34:24,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:24,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:34:24,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:24,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:34:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:34:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:34:25,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:34:25,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:34:25,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:34:25,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:34:25,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:34:25,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:34:25,021 INFO L87 Difference]: Start difference. First operand 166 states and 198 transitions. Second operand 3 states. [2018-12-02 06:34:25,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:34:25,035 INFO L93 Difference]: Finished difference Result 271 states and 323 transitions. [2018-12-02 06:34:25,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:34:25,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 06:34:25,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:34:25,037 INFO L225 Difference]: With dead ends: 271 [2018-12-02 06:34:25,037 INFO L226 Difference]: Without dead ends: 157 [2018-12-02 06:34:25,038 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 [2018-12-02 06:34:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-12-02 06:34:25,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-12-02 06:34:25,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-12-02 06:34:25,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2018-12-02 06:34:25,047 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 53 [2018-12-02 06:34:25,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:34:25,047 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2018-12-02 06:34:25,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:34:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2018-12-02 06:34:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 06:34:25,048 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:34:25,048 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] [2018-12-02 06:34:25,048 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:34:25,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:34:25,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1889570306, now seen corresponding path program 1 times [2018-12-02 06:34:25,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:34:25,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:25,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:34:25,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:25,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:34:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:34:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:34:25,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:34:25,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:34:25,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:34:25,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:34:25,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:34:25,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:34:25,131 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 7 states. [2018-12-02 06:34:25,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:34:25,419 INFO L93 Difference]: Finished difference Result 479 states and 585 transitions. [2018-12-02 06:34:25,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:34:25,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-02 06:34:25,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:34:25,423 INFO L225 Difference]: With dead ends: 479 [2018-12-02 06:34:25,423 INFO L226 Difference]: Without dead ends: 346 [2018-12-02 06:34:25,424 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 [2018-12-02 06:34:25,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-12-02 06:34:25,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 334. [2018-12-02 06:34:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-12-02 06:34:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 407 transitions. [2018-12-02 06:34:25,455 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 407 transitions. Word has length 58 [2018-12-02 06:34:25,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:34:25,455 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 407 transitions. [2018-12-02 06:34:25,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:34:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 407 transitions. [2018-12-02 06:34:25,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 06:34:25,458 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:34:25,458 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] [2018-12-02 06:34:25,458 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:34:25,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:34:25,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1069146877, now seen corresponding path program 1 times [2018-12-02 06:34:25,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:34:25,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:25,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:34:25,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:25,460 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:34:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:34:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:34:25,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:34:25,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:34:25,544 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:34:25,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:34:25,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:34:25,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:34:25,545 INFO L87 Difference]: Start difference. First operand 334 states and 407 transitions. Second operand 6 states. [2018-12-02 06:34:25,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:34:25,708 INFO L93 Difference]: Finished difference Result 927 states and 1181 transitions. [2018-12-02 06:34:25,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:34:25,708 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-02 06:34:25,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:34:25,711 INFO L225 Difference]: With dead ends: 927 [2018-12-02 06:34:25,712 INFO L226 Difference]: Without dead ends: 617 [2018-12-02 06:34:25,713 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 [2018-12-02 06:34:25,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-12-02 06:34:25,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 611. [2018-12-02 06:34:25,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2018-12-02 06:34:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 754 transitions. [2018-12-02 06:34:25,748 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 754 transitions. Word has length 63 [2018-12-02 06:34:25,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:34:25,748 INFO L480 AbstractCegarLoop]: Abstraction has 611 states and 754 transitions. [2018-12-02 06:34:25,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:34:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 754 transitions. [2018-12-02 06:34:25,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 06:34:25,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:34:25,751 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, 1, 1] [2018-12-02 06:34:25,751 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:34:25,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:34:25,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1504770569, now seen corresponding path program 1 times [2018-12-02 06:34:25,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:34:25,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:25,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:34:25,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:34:25,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:34:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:34:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:34:25,831 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 06:34:25,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:34:25 BoogieIcfgContainer [2018-12-02 06:34:25,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:34:25,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:34:25,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:34:25,894 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:34:25,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:24" (3/4) ... [2018-12-02 06:34:25,896 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 06:34:25,970 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2049790-4bc2-4e2b-a7fc-270a9029e0a6/bin-2019/utaipan/witness.graphml [2018-12-02 06:34:25,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:34:25,970 INFO L168 Benchmark]: Toolchain (without parser) took 1941.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 949.5 MB in the beginning and 1.2 GB in the end (delta: -245.6 MB). Peak memory consumption was 294.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:34:25,971 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-02 06:34:25,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:34:25,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:34:25,972 INFO L168 Benchmark]: Boogie Preprocessor took 21.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:34:25,972 INFO L168 Benchmark]: RCFGBuilder took 319.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:34:25,972 INFO L168 Benchmark]: TraceAbstraction took 1212.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 822.4 MB in the end (delta: 247.7 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:34:25,972 INFO L168 Benchmark]: Witness Printer took 75.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 822.4 MB in the beginning and 1.2 GB in the end (delta: -372.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:34:25,974 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 289.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 319.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1212.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 822.4 MB in the end (delta: 247.7 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. * Witness Printer took 75.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 822.4 MB in the beginning and 1.2 GB in the end (delta: -372.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L90] int pumpRunning = 0; [L91] int systemActive = 1; [L427] int waterLevel = 1; [L428] int methaneLevelCritical = 0; [L699] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=198, \old(head)=184, \old(head)=201, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] 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] [L974] 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] [L975] 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] [L976] 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] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] 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] [L976] 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] [L976] tmp = valid_product() [L978] 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] [L980] 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] [L981] 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] [L963] 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] [L358] int splverifierCounter ; [L359] int tmp ; [L360] int tmp___0 ; [L361] int tmp___1 ; [L362] int tmp___2 ; [L365] 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] [L367] 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] [L369] 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] [L375] tmp = __VERIFIER_nondet_int() [L377] 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] [L379] 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] [L445] COND TRUE waterLevel < 2 [L446] 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] [L379] 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] [L385] tmp___0 = __VERIFIER_nondet_int() [L387] 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] [L395] tmp___2 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___2)) [L403] tmp___1 = __VERIFIER_nondet_int() [L405] COND TRUE \read(tmp___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, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L407] CALL stopSystem() 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] [L334] COND FALSE !(\read(pumpRunning)) 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] [L341] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L407] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L414] 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=0, waterLevel=2] [L98] 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=0, waterLevel=2] [L105] COND FALSE !(\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=0, waterLevel=2] [L113] 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=0, waterLevel=2] [L1002] int tmp ; [L1003] int tmp___0 ; [L1004] 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=0, waterLevel=2] [L1008] 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=0, waterLevel=2] [L466] int retValue_acc ; [L469] retValue_acc = methaneLevelCritical [L470] 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=0, waterLevel=2] [L1008] 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=0, waterLevel=2] [L1008] tmp = isMethaneLevelCritical() [L1010] 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=0, tmp=0, waterLevel=2] [L1014] 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=0, waterLevel=2] [L498] int retValue_acc ; [L501] retValue_acc = waterLevel [L502] 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=0, waterLevel=2] [L1014] 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=0, tmp=0, waterLevel=2] [L1014] tmp___0 = getWaterLevel() [L1016] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] 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=0, waterLevel=2] [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] 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=0, waterLevel=2] [L1018] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] tmp___1 = isPumpRunning() [L1020] 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=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L1024] 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=0, waterLevel=2] [L996] __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=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 179 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 849 SDtfs, 464 SDslu, 1640 SDs, 0 SdLazy, 395 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=611occurred 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, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21060 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...