./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product28_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_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product28_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:39:08,236 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:39:08,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:39:08,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:39:08,243 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:39:08,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:39:08,244 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:39:08,245 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:39:08,246 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:39:08,247 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:39:08,247 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:39:08,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:39:08,248 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:39:08,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:39:08,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:39:08,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:39:08,250 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:39:08,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:39:08,252 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:39:08,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:39:08,253 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:39:08,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:39:08,255 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:39:08,255 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:39:08,255 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:39:08,256 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:39:08,256 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:39:08,257 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:39:08,257 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:39:08,258 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:39:08,258 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:39:08,258 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:39:08,258 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:39:08,258 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:39:08,259 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:39:08,259 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:39:08,259 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 17:39:08,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:39:08,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:39:08,267 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:39:08,267 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:39:08,267 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:39:08,267 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:39:08,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:39:08,268 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:39:08,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:39:08,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:39:08,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:39:08,270 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 [2018-12-02 17:39:08,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:39:08,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:39:08,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:39:08,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:39:08,301 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:39:08,301 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product28_false-unreach-call_false-termination.cil.c [2018-12-02 17:39:08,339 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/data/d4b55c002/2fa4d0eee66e4b51bd6727a1d7e52782/FLAG008fc3e57 [2018-12-02 17:39:08,794 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:39:08,794 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/sv-benchmarks/c/product-lines/minepump_spec3_product28_false-unreach-call_false-termination.cil.c [2018-12-02 17:39:08,802 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/data/d4b55c002/2fa4d0eee66e4b51bd6727a1d7e52782/FLAG008fc3e57 [2018-12-02 17:39:08,810 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/data/d4b55c002/2fa4d0eee66e4b51bd6727a1d7e52782 [2018-12-02 17:39:08,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:39:08,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:39:08,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:39:08,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:39:08,816 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:39:08,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:39:08" (1/1) ... [2018-12-02 17:39:08,819 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 02.12 05:39:08, skipping insertion in model container [2018-12-02 17:39:08,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:39:08" (1/1) ... [2018-12-02 17:39:08,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:39:08,852 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:39:09,026 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:39:09,070 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:39:09,119 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:39:09,134 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:39:09,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09 WrapperNode [2018-12-02 17:39:09,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:39:09,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:39:09,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:39:09,135 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:39:09,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:39:09,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:39:09,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:39:09,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:39:09,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... [2018-12-02 17:39:09,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:39:09,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:39:09,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:39:09,178 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:39:09,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/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 17:39:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 17:39:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 17:39:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:39:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:39:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 17:39:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 17:39:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 17:39:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 17:39:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:39:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 17:39:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 17:39:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 17:39:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 17:39:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 17:39:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 17:39:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 17:39:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 17:39:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 17:39:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 17:39:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 17:39:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 17:39:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 17:39:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 17:39:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 17:39:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 17:39:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 17:39:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 17:39:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 17:39:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 17:39:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 17:39:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 17:39:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 17:39:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 17:39:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 17:39:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 17:39:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 17:39:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 17:39:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 17:39:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 17:39:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 17:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 17:39:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 17:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 17:39:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 17:39:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:39:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 17:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 17:39:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 17:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 17:39:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 17:39:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 17:39:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:39:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:39:09,470 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:39:09,470 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 17:39:09,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:39:09 BoogieIcfgContainer [2018-12-02 17:39:09,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:39:09,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:39:09,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:39:09,473 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:39:09,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:39:08" (1/3) ... [2018-12-02 17:39:09,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359c87cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:39:09, skipping insertion in model container [2018-12-02 17:39:09,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:39:09" (2/3) ... [2018-12-02 17:39:09,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359c87cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:39:09, skipping insertion in model container [2018-12-02 17:39:09,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:39:09" (3/3) ... [2018-12-02 17:39:09,475 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28_false-unreach-call_false-termination.cil.c [2018-12-02 17:39:09,481 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:39:09,486 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:39:09,494 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:39:09,511 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:39:09,512 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:39:09,512 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:39:09,512 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:39:09,512 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:39:09,512 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:39:09,512 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:39:09,512 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:39:09,512 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:39:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-12-02 17:39:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 17:39:09,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:39:09,529 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 17:39:09,531 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:39:09,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:39:09,534 INFO L82 PathProgramCache]: Analyzing trace with hash -739710438, now seen corresponding path program 1 times [2018-12-02 17:39:09,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:39:09,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:39:09,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:09,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:39:09,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:39:09,669 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 17:39:09,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:39:09,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:39:09,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:39:09,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:39:09,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:39:09,682 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-12-02 17:39:09,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:39:09,703 INFO L93 Difference]: Finished difference Result 240 states and 297 transitions. [2018-12-02 17:39:09,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:39:09,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 17:39:09,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:39:09,711 INFO L225 Difference]: With dead ends: 240 [2018-12-02 17:39:09,711 INFO L226 Difference]: Without dead ends: 120 [2018-12-02 17:39:09,713 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 17:39:09,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-02 17:39:09,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-02 17:39:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-02 17:39:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-12-02 17:39:09,742 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 52 [2018-12-02 17:39:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:39:09,742 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-12-02 17:39:09,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:39:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-12-02 17:39:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:39:09,744 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:39:09,744 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 17:39:09,744 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:39:09,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:39:09,744 INFO L82 PathProgramCache]: Analyzing trace with hash 575118676, now seen corresponding path program 1 times [2018-12-02 17:39:09,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:39:09,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:39:09,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:09,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:39:09,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:39:09,797 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 17:39:09,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:39:09,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:39:09,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:39:09,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:39:09,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:39:09,798 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 3 states. [2018-12-02 17:39:09,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:39:09,810 INFO L93 Difference]: Finished difference Result 179 states and 207 transitions. [2018-12-02 17:39:09,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:39:09,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 17:39:09,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:39:09,811 INFO L225 Difference]: With dead ends: 179 [2018-12-02 17:39:09,812 INFO L226 Difference]: Without dead ends: 111 [2018-12-02 17:39:09,812 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 17:39:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-02 17:39:09,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-12-02 17:39:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-12-02 17:39:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2018-12-02 17:39:09,819 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 53 [2018-12-02 17:39:09,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:39:09,820 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2018-12-02 17:39:09,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:39:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2018-12-02 17:39:09,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 17:39:09,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:39:09,821 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 17:39:09,821 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:39:09,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:39:09,821 INFO L82 PathProgramCache]: Analyzing trace with hash -930313455, now seen corresponding path program 1 times [2018-12-02 17:39:09,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:39:09,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:39:09,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:09,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:39:09,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:39:09,888 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 17:39:09,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:39:09,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:39:09,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:39:09,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:39:09,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:39:09,889 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 7 states. [2018-12-02 17:39:10,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:39:10,123 INFO L93 Difference]: Finished difference Result 341 states and 411 transitions. [2018-12-02 17:39:10,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:39:10,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-02 17:39:10,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:39:10,126 INFO L225 Difference]: With dead ends: 341 [2018-12-02 17:39:10,126 INFO L226 Difference]: Without dead ends: 254 [2018-12-02 17:39:10,127 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 17:39:10,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-02 17:39:10,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 242. [2018-12-02 17:39:10,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-12-02 17:39:10,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 291 transitions. [2018-12-02 17:39:10,153 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 291 transitions. Word has length 58 [2018-12-02 17:39:10,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:39:10,154 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 291 transitions. [2018-12-02 17:39:10,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:39:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 291 transitions. [2018-12-02 17:39:10,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 17:39:10,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:39:10,156 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 17:39:10,156 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:39:10,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:39:10,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1872450009, now seen corresponding path program 1 times [2018-12-02 17:39:10,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:39:10,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:39:10,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:10,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:39:10,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:39:10,235 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 17:39:10,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:39:10,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:39:10,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:39:10,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:39:10,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:39:10,237 INFO L87 Difference]: Start difference. First operand 242 states and 291 transitions. Second operand 6 states. [2018-12-02 17:39:10,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:39:10,365 INFO L93 Difference]: Finished difference Result 651 states and 819 transitions. [2018-12-02 17:39:10,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:39:10,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-02 17:39:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:39:10,367 INFO L225 Difference]: With dead ends: 651 [2018-12-02 17:39:10,367 INFO L226 Difference]: Without dead ends: 433 [2018-12-02 17:39:10,369 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 17:39:10,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-12-02 17:39:10,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2018-12-02 17:39:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-12-02 17:39:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 524 transitions. [2018-12-02 17:39:10,395 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 524 transitions. Word has length 63 [2018-12-02 17:39:10,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:39:10,395 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 524 transitions. [2018-12-02 17:39:10,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:39:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 524 transitions. [2018-12-02 17:39:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 17:39:10,397 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:39:10,397 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 17:39:10,397 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:39:10,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:39:10,397 INFO L82 PathProgramCache]: Analyzing trace with hash -749162131, now seen corresponding path program 1 times [2018-12-02 17:39:10,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:39:10,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:39:10,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:10,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:39:10,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:39:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:39:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:39:10,472 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 17:39:10,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:39:10 BoogieIcfgContainer [2018-12-02 17:39:10,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:39:10,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:39:10,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:39:10,550 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:39:10,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:39:09" (3/4) ... [2018-12-02 17:39:10,552 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 17:39:10,609 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e27456ff-15e5-4f00-9345-5ac30c09dcae/bin-2019/uautomizer/witness.graphml [2018-12-02 17:39:10,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:39:10,610 INFO L168 Benchmark]: Toolchain (without parser) took 1798.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:39:10,611 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:39:10,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:39:10,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.68 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. [2018-12-02 17:39:10,611 INFO L168 Benchmark]: Boogie Preprocessor took 21.38 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:39:10,611 INFO L168 Benchmark]: RCFGBuilder took 293.14 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:39:10,612 INFO L168 Benchmark]: TraceAbstraction took 1078.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.9 MB). Peak memory consumption was 217.5 MB. Max. memory is 11.5 GB. [2018-12-02 17:39:10,612 INFO L168 Benchmark]: Witness Printer took 59.59 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:39:10,613 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.68 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. * Boogie Preprocessor took 21.38 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 293.14 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1078.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.9 MB). Peak memory consumption was 217.5 MB. Max. memory is 11.5 GB. * Witness Printer took 59.59 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 545]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L89] int pumpRunning = 0; [L90] int systemActive = 1; [L356] int waterLevel = 1; [L357] int methaneLevelCritical = 0; [L445] int cleanupTimeShifts = 4; [L753] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L518] int retValue_acc ; [L519] 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] [L523] 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] [L524] 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] [L525] 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] [L525] 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] [L525] tmp = valid_product() [L527] 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] [L529] 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] [L530] 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] [L512] 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] [L287] int splverifierCounter ; [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L294] 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] [L296] 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] [L298] 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] [L304] tmp = __VERIFIER_nondet_int() [L306] 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] [L308] 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] [L374] COND TRUE waterLevel < 2 [L375] 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] [L308] 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] [L314] tmp___0 = __VERIFIER_nondet_int() [L316] 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] [L324] tmp___2 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___2)) [L332] tmp___1 = __VERIFIER_nondet_int() [L334] 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] [L336] 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] [L263] 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] [L270] 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] [L336] 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] [L343] 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] [L97] 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] [L104] 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] [L112] 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] [L551] int tmp ; [L552] int tmp___0 ; [L553] 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] [L557] 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] [L395] int retValue_acc ; [L398] retValue_acc = methaneLevelCritical [L399] 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] [L557] 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] [L557] tmp = isMethaneLevelCritical() [L559] 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] [L563] 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] [L427] int retValue_acc ; [L430] retValue_acc = waterLevel [L431] 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] [L563] 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] [L563] tmp___0 = getWaterLevel() [L565] 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] [L567] 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] [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] 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] [L567] 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] [L567] tmp___1 = isPumpRunning() [L569] 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] [L573] 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] [L545] __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 26 procedures, 133 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 596 SDtfs, 291 SDslu, 1178 SDs, 0 SdLazy, 268 SolverSat, 15 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred 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, 0.0s 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...